Return to Question

added 44 characters in body

edited Aug 15, 2015 at 19:52

35.2k
13
134
238

Here's the XAML

<Window x:Class="Calculator.MainWindow"
 xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
 xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
 xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
 xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
 xmlns:local="clr-namespace:Calculator"
 mc:Ignorable="d"
 Title="Calculator" Height="350" Width="525">
 <Window.Resources>
 <Style TargetType="Button">
 <Setter Property="Margin" Value="1"/>
 <Setter Property="FontSize" Value="20"/>
 <Setter Property="VerticalContentAlignment" Value="Center"/>
 <Setter Property="FontFamily" Value="Consolas"/>
 </Style>
 </Window.Resources>
 <DockPanel>
 <TextBox DockPanel.Dock="Top" x:Name="currentEquation" Height="50" IsEnabled="False" FontSize="30" VerticalContentAlignment="Center" FontFamily="Consolas" Foreground="Black">
 
 </TextBox>
 <Grid>
 <Grid.RowDefinitions>
 <RowDefinition Height="*"></RowDefinition>
 <RowDefinition Height="*"></RowDefinition>
 <RowDefinition Height="*"></RowDefinition>
 <RowDefinition Height="*"></RowDefinition>
 </Grid.RowDefinitions>
 <Grid.ColumnDefinitions>
 <ColumnDefinition Width="*"></ColumnDefinition>
 <ColumnDefinition Width="*"></ColumnDefinition>
 <ColumnDefinition Width="*"></ColumnDefinition>
 <ColumnDefinition Width="*"></ColumnDefinition>
 <ColumnDefinition Width="*"></ColumnDefinition>
 </Grid.ColumnDefinitions>
 <Button x:Name="b1" Grid.Column="0" Content="1"/>
 <Button x:Name="b2" Grid.Column="1" Content="2"/>
 <Button x:Name="b3" Grid.Column="2" Content="3"/>
 <Button x:Name="bdelete" Grid.Column="3" Content="Del"/>
 <Button x:Name="bclear" Grid.Column="4" Content="Clear"/>
 <Button x:Name="b4" Grid.Column="0" Grid.Row="1" Content="4"/>
 <Button x:Name="b5" Grid.Column="1" Grid.Row="1" Content="5"/>
 <Button x:Name="b6" Grid.Column="2" Grid.Row="1" Content="6"/>
 <Button x:Name="bplus" Grid.Column="3" Grid.Row="1" Content="+"/>
 <Button x:Name="bminus" Grid.Column="4" Grid.Row="1" Content="-"/>
 <Button x:Name="b7" Grid.Column="0" Grid.Row="2" Content="7"/>
 <Button x:Name="b8" Grid.Column="1" Grid.Row="2" Content="8"/>
 <Button x:Name="b9" Grid.Column="2" Grid.Row="2" Content="9"/>
 <Button x:Name="btimes" Grid.Column="3" Grid.Row="2" Content=×ばつ"/>
 <Button x:Name="bdivide" Grid.Column="4" Grid.Row="2" Content="÷"/>
 <Button x:Name="b0" Grid.Column="0" Grid.ColumnSpan="2" Grid.Row="3" Content="0"/>
 <Button x:Name="bdot" Grid.Column="2" Grid.Row="3" Content="."/>
 <Button x:Name="bequals" Grid.Column="3" Grid.ColumnSpan="2" Grid.Row="3" Content="="/>
 </Grid>
 </DockPanel>
</Window>

And here's the CS fileXAML

<Window x:Class="Calculator.MainWindow"
 xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
 xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
 xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
 xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
 xmlns:local="clr-namespace:Calculator"
 mc:Ignorable="d"
 Title="Calculator" Height="350" Width="525">
 <Window.Resources>
 <Style TargetType="Button">
 <Setter Property="Margin" Value="1"/>
 <Setter Property="FontSize" Value="20"/>
 <Setter Property="VerticalContentAlignment" Value="Center"/>
 <Setter Property="FontFamily" Value="Consolas"/>
 </Style>
 </Window.Resources>
 <DockPanel>
 <TextBox DockPanel.Dock="Top" x:Name="currentEquation" Height="50" IsEnabled="False" FontSize="30" VerticalContentAlignment="Center" FontFamily="Consolas" Foreground="Black">
 
 </TextBox>
 <Grid>
 <Grid.RowDefinitions>
 <RowDefinition Height="*"></RowDefinition>
 <RowDefinition Height="*"></RowDefinition>
 <RowDefinition Height="*"></RowDefinition>
 <RowDefinition Height="*"></RowDefinition>
 </Grid.RowDefinitions>
 <Grid.ColumnDefinitions>
 <ColumnDefinition Width="*"></ColumnDefinition>
 <ColumnDefinition Width="*"></ColumnDefinition>
 <ColumnDefinition Width="*"></ColumnDefinition>
 <ColumnDefinition Width="*"></ColumnDefinition>
 <ColumnDefinition Width="*"></ColumnDefinition>
 </Grid.ColumnDefinitions>
 <Button x:Name="b1" Grid.Column="0" Content="1"/>
 <Button x:Name="b2" Grid.Column="1" Content="2"/>
 <Button x:Name="b3" Grid.Column="2" Content="3"/>
 <Button x:Name="bdelete" Grid.Column="3" Content="Del"/>
 <Button x:Name="bclear" Grid.Column="4" Content="Clear"/>
 <Button x:Name="b4" Grid.Column="0" Grid.Row="1" Content="4"/>
 <Button x:Name="b5" Grid.Column="1" Grid.Row="1" Content="5"/>
 <Button x:Name="b6" Grid.Column="2" Grid.Row="1" Content="6"/>
 <Button x:Name="bplus" Grid.Column="3" Grid.Row="1" Content="+"/>
 <Button x:Name="bminus" Grid.Column="4" Grid.Row="1" Content="-"/>
 <Button x:Name="b7" Grid.Column="0" Grid.Row="2" Content="7"/>
 <Button x:Name="b8" Grid.Column="1" Grid.Row="2" Content="8"/>
 <Button x:Name="b9" Grid.Column="2" Grid.Row="2" Content="9"/>
 <Button x:Name="btimes" Grid.Column="3" Grid.Row="2" Content=×ばつ"/>
 <Button x:Name="bdivide" Grid.Column="4" Grid.Row="2" Content="÷"/>
 <Button x:Name="b0" Grid.Column="0" Grid.ColumnSpan="2" Grid.Row="3" Content="0"/>
 <Button x:Name="bdot" Grid.Column="2" Grid.Row="3" Content="."/>
 <Button x:Name="bequals" Grid.Column="3" Grid.ColumnSpan="2" Grid.Row="3" Content="="/>
 </Grid>
 </DockPanel>
</Window>

using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows;
using System.Windows.Controls;
namespace Calculator
{
 public partial class MainWindow: Window
 {
 Calculator c;
 public MainWindow()
 {
 InitializeComponent();
 this.Loaded += OnLoad;
 }
 void OnLoad(object sender, RoutedEventArgs e)
 {
 c = new Calculator(currentEquation);
 AddClickEvents();
 }
 void AddClickEvents()
 {
 b1.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(1);
 };
 b2.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(2);
 };
 b3.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(3);
 };
 b4.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(4);
 };
 b5.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(5);
 };
 b6.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(6);
 };
 b7.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(7);
 };
 b8.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(8);
 };
 b9.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(9);
 };
 b0.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(0);
 };
 bdot.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press('.');
 };
 bplus.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(Calculator.Function.Add);
 };
 bminus.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(Calculator.Function.Minus);
 };
 btimes.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(Calculator.Function.Times);
 };
 bdivide.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(Calculator.Function.Divide);
 };
 bequals.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(Calculator.Function.Equals);
 };
 bdelete.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(Calculator.Function.Delete);
 };
 bclear.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(Calculator.Function.Clear);
 };
 }
 private class Calculator
 {
 TextBox tb;
 private static class States
 {
 public static bool hasDot;
 public static bool willReplace;
 public static Function currentFunction;
 public static Dictionary<float, Function> lastNumberAndFunction;
 }
 public enum Function
 {
 Add,
 Minus,
 Times,
 Divide,
 Equals,
 Delete,
 Clear,
 None
 }
 public Calculator(TextBox text)
 {
 tb = text;
 States.hasDot = false;
 States.willReplace = false;
 States.currentFunction = Function.None;
 States.lastNumberAndFunction = new Dictionary<float, Function>();
 }
 public void Press(int number)
 {
 if(States.willReplace)
 {
 tb.Text = number.ToString();
 States.willReplace = false;
 return;
 };
 tb.Text += number;
 }
 public void Press(char c)
 {
 if(c == '.' && !States.hasDot)
 {
 tb.Text += c;
 States.hasDot = true;
 }
 }
 public void Press(Function fn)
 {
 switch(fn)
 {
 case Function.Add:
 case Function.Minus:
 case Function.Times:
 case Function.Divide:
 States.lastNumberAndFunction.Add(float.Parse(tb.Text), States.currentFunction);
 States.currentFunction = fn;
 States.willReplace = true;
 break;
 case Function.Equals:
 States.lastNumberAndFunction.Add(float.Parse(tb.Text), States.currentFunction);
 Equals();
 break;
 case Function.Delete:
 tb.Text = String.Join("", tb.Text.Reverse().Skip(1).Reverse());
 if(!tb.Text.Contains(".")) States.hasDot = false;
 break;
 case Function.Clear:
 tb.Text = "";
 States.hasDot = false;
 break;
 }
 }
 void Equals()
 {
 float final = 0;
 foreach(KeyValuePair<float, Function> numberAndFunction in States.lastNumberAndFunction)
 {
 switch(numberAndFunction.Value)
 {
 case Function.None:
 final = numberAndFunction.Key;
 break;
 case Function.Add:
 final += numberAndFunction.Key;
 break;
 case Function.Minus:
 final -= numberAndFunction.Key;
 break;
 case Function.Times:
 final *= numberAndFunction.Key;
 break;
 case Function.Divide:
 if(numberAndFunction.Key == 0)
 {
 final = 0;
 break;
 }
 final /= numberAndFunction.Key;
 break;
 }
 }
 tb.Text = final.ToString();
 States.lastNumberAndFunction.Clear();
 States.hasDot = false;
 States.currentFunction = Function.None;
 States.willReplace = true;
 }
 }
 }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows;
using System.Windows.Controls;
namespace Calculator
{
 public partial class MainWindow: Window
 {
 Calculator c;
 public MainWindow()
 {
 InitializeComponent();
 this.Loaded += OnLoad;
 }
 void OnLoad(object sender, RoutedEventArgs e)
 {
 c = new Calculator(currentEquation);
 AddClickEvents();
 }
 void AddClickEvents()
 {
 b1.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(1);
 };
 b2.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(2);
 };
 b3.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(3);
 };
 b4.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(4);
 };
 b5.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(5);
 };
 b6.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(6);
 };
 b7.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(7);
 };
 b8.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(8);
 };
 b9.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(9);
 };
 b0.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(0);
 };
 bdot.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press('.');
 };
 bplus.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(Calculator.Function.Add);
 };
 bminus.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(Calculator.Function.Minus);
 };
 btimes.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(Calculator.Function.Times);
 };
 bdivide.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(Calculator.Function.Divide);
 };
 bequals.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(Calculator.Function.Equals);
 };
 bdelete.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(Calculator.Function.Delete);
 };
 bclear.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(Calculator.Function.Clear);
 };
 }
 private class Calculator
 {
 TextBox tb;
 private static class States
 {
 public static bool hasDot;
 public static bool willReplace;
 public static Function currentFunction;
 public static Dictionary<float, Function> lastNumberAndFunction;
 }
 public enum Function
 {
 Add,
 Minus,
 Times,
 Divide,
 Equals,
 Delete,
 Clear,
 None
 }
 public Calculator(TextBox text)
 {
 tb = text;
 States.hasDot = false;
 States.willReplace = false;
 States.currentFunction = Function.None;
 States.lastNumberAndFunction = new Dictionary<float, Function>();
 }
 public void Press(int number)
 {
 if(States.willReplace)
 {
 tb.Text = number.ToString();
 States.willReplace = false;
 return;
 };
 tb.Text += number;
 }
 public void Press(char c)
 {
 if(c == '.' && !States.hasDot)
 {
 tb.Text += c;
 States.hasDot = true;
 }
 }
 public void Press(Function fn)
 {
 switch(fn)
 {
 case Function.Add:
 case Function.Minus:
 case Function.Times:
 case Function.Divide:
 States.lastNumberAndFunction.Add(float.Parse(tb.Text), States.currentFunction);
 States.currentFunction = fn;
 States.willReplace = true;
 break;
 case Function.Equals:
 States.lastNumberAndFunction.Add(float.Parse(tb.Text), States.currentFunction);
 Equals();
 break;
 case Function.Delete:
 tb.Text = String.Join("", tb.Text.Reverse().Skip(1).Reverse());
 if(!tb.Text.Contains(".")) States.hasDot = false;
 break;
 case Function.Clear:
 tb.Text = "";
 States.hasDot = false;
 break;
 }
 }
 void Equals()
 {
 float final = 0;
 foreach(KeyValuePair<float, Function> numberAndFunction in States.lastNumberAndFunction)
 {
 switch(numberAndFunction.Value)
 {
 case Function.None:
 final = numberAndFunction.Key;
 break;
 case Function.Add:
 final += numberAndFunction.Key;
 break;
 case Function.Minus:
 final -= numberAndFunction.Key;
 break;
 case Function.Times:
 final *= numberAndFunction.Key;
 break;
 case Function.Divide:
 if(numberAndFunction.Key == 0)
 {
 final = 0;
 break;
 }
 final /= numberAndFunction.Key;
 break;
 }
 }
 tb.Text = final.ToString();
 States.lastNumberAndFunction.Clear();
 States.hasDot = false;
 States.currentFunction = Function.None;
 States.willReplace = true;
 }
 }
 }
}

Here's the XAML

<Window x:Class="Calculator.MainWindow"
 xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
 xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
 xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
 xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
 xmlns:local="clr-namespace:Calculator"
 mc:Ignorable="d"
 Title="Calculator" Height="350" Width="525">
 <Window.Resources>
 <Style TargetType="Button">
 <Setter Property="Margin" Value="1"/>
 <Setter Property="FontSize" Value="20"/>
 <Setter Property="VerticalContentAlignment" Value="Center"/>
 <Setter Property="FontFamily" Value="Consolas"/>
 </Style>
 </Window.Resources>
 <DockPanel>
 <TextBox DockPanel.Dock="Top" x:Name="currentEquation" Height="50" IsEnabled="False" FontSize="30" VerticalContentAlignment="Center" FontFamily="Consolas" Foreground="Black">
 
 </TextBox>
 <Grid>
 <Grid.RowDefinitions>
 <RowDefinition Height="*"></RowDefinition>
 <RowDefinition Height="*"></RowDefinition>
 <RowDefinition Height="*"></RowDefinition>
 <RowDefinition Height="*"></RowDefinition>
 </Grid.RowDefinitions>
 <Grid.ColumnDefinitions>
 <ColumnDefinition Width="*"></ColumnDefinition>
 <ColumnDefinition Width="*"></ColumnDefinition>
 <ColumnDefinition Width="*"></ColumnDefinition>
 <ColumnDefinition Width="*"></ColumnDefinition>
 <ColumnDefinition Width="*"></ColumnDefinition>
 </Grid.ColumnDefinitions>
 <Button x:Name="b1" Grid.Column="0" Content="1"/>
 <Button x:Name="b2" Grid.Column="1" Content="2"/>
 <Button x:Name="b3" Grid.Column="2" Content="3"/>
 <Button x:Name="bdelete" Grid.Column="3" Content="Del"/>
 <Button x:Name="bclear" Grid.Column="4" Content="Clear"/>
 <Button x:Name="b4" Grid.Column="0" Grid.Row="1" Content="4"/>
 <Button x:Name="b5" Grid.Column="1" Grid.Row="1" Content="5"/>
 <Button x:Name="b6" Grid.Column="2" Grid.Row="1" Content="6"/>
 <Button x:Name="bplus" Grid.Column="3" Grid.Row="1" Content="+"/>
 <Button x:Name="bminus" Grid.Column="4" Grid.Row="1" Content="-"/>
 <Button x:Name="b7" Grid.Column="0" Grid.Row="2" Content="7"/>
 <Button x:Name="b8" Grid.Column="1" Grid.Row="2" Content="8"/>
 <Button x:Name="b9" Grid.Column="2" Grid.Row="2" Content="9"/>
 <Button x:Name="btimes" Grid.Column="3" Grid.Row="2" Content=×ばつ"/>
 <Button x:Name="bdivide" Grid.Column="4" Grid.Row="2" Content="÷"/>
 <Button x:Name="b0" Grid.Column="0" Grid.ColumnSpan="2" Grid.Row="3" Content="0"/>
 <Button x:Name="bdot" Grid.Column="2" Grid.Row="3" Content="."/>
 <Button x:Name="bequals" Grid.Column="3" Grid.ColumnSpan="2" Grid.Row="3" Content="="/>
 </Grid>
 </DockPanel>
</Window>

And here's the CS file

using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows;
using System.Windows.Controls;
namespace Calculator
{
 public partial class MainWindow: Window
 {
 Calculator c;
 public MainWindow()
 {
 InitializeComponent();
 this.Loaded += OnLoad;
 }
 void OnLoad(object sender, RoutedEventArgs e)
 {
 c = new Calculator(currentEquation);
 AddClickEvents();
 }
 void AddClickEvents()
 {
 b1.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(1);
 };
 b2.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(2);
 };
 b3.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(3);
 };
 b4.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(4);
 };
 b5.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(5);
 };
 b6.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(6);
 };
 b7.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(7);
 };
 b8.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(8);
 };
 b9.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(9);
 };
 b0.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(0);
 };
 bdot.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press('.');
 };
 bplus.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(Calculator.Function.Add);
 };
 bminus.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(Calculator.Function.Minus);
 };
 btimes.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(Calculator.Function.Times);
 };
 bdivide.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(Calculator.Function.Divide);
 };
 bequals.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(Calculator.Function.Equals);
 };
 bdelete.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(Calculator.Function.Delete);
 };
 bclear.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(Calculator.Function.Clear);
 };
 }
 private class Calculator
 {
 TextBox tb;
 private static class States
 {
 public static bool hasDot;
 public static bool willReplace;
 public static Function currentFunction;
 public static Dictionary<float, Function> lastNumberAndFunction;
 }
 public enum Function
 {
 Add,
 Minus,
 Times,
 Divide,
 Equals,
 Delete,
 Clear,
 None
 }
 public Calculator(TextBox text)
 {
 tb = text;
 States.hasDot = false;
 States.willReplace = false;
 States.currentFunction = Function.None;
 States.lastNumberAndFunction = new Dictionary<float, Function>();
 }
 public void Press(int number)
 {
 if(States.willReplace)
 {
 tb.Text = number.ToString();
 States.willReplace = false;
 return;
 };
 tb.Text += number;
 }
 public void Press(char c)
 {
 if(c == '.' && !States.hasDot)
 {
 tb.Text += c;
 States.hasDot = true;
 }
 }
 public void Press(Function fn)
 {
 switch(fn)
 {
 case Function.Add:
 case Function.Minus:
 case Function.Times:
 case Function.Divide:
 States.lastNumberAndFunction.Add(float.Parse(tb.Text), States.currentFunction);
 States.currentFunction = fn;
 States.willReplace = true;
 break;
 case Function.Equals:
 States.lastNumberAndFunction.Add(float.Parse(tb.Text), States.currentFunction);
 Equals();
 break;
 case Function.Delete:
 tb.Text = String.Join("", tb.Text.Reverse().Skip(1).Reverse());
 if(!tb.Text.Contains(".")) States.hasDot = false;
 break;
 case Function.Clear:
 tb.Text = "";
 States.hasDot = false;
 break;
 }
 }
 void Equals()
 {
 float final = 0;
 foreach(KeyValuePair<float, Function> numberAndFunction in States.lastNumberAndFunction)
 {
 switch(numberAndFunction.Value)
 {
 case Function.None:
 final = numberAndFunction.Key;
 break;
 case Function.Add:
 final += numberAndFunction.Key;
 break;
 case Function.Minus:
 final -= numberAndFunction.Key;
 break;
 case Function.Times:
 final *= numberAndFunction.Key;
 break;
 case Function.Divide:
 if(numberAndFunction.Key == 0)
 {
 final = 0;
 break;
 }
 final /= numberAndFunction.Key;
 break;
 }
 }
 tb.Text = final.ToString();
 States.lastNumberAndFunction.Clear();
 States.hasDot = false;
 States.currentFunction = Function.None;
 States.willReplace = true;
 }
 }
 }
}

XAML

<Window x:Class="Calculator.MainWindow"
 xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
 xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
 xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
 xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
 xmlns:local="clr-namespace:Calculator"
 mc:Ignorable="d"
 Title="Calculator" Height="350" Width="525">
 <Window.Resources>
 <Style TargetType="Button">
 <Setter Property="Margin" Value="1"/>
 <Setter Property="FontSize" Value="20"/>
 <Setter Property="VerticalContentAlignment" Value="Center"/>
 <Setter Property="FontFamily" Value="Consolas"/>
 </Style>
 </Window.Resources>
 <DockPanel>
 <TextBox DockPanel.Dock="Top" x:Name="currentEquation" Height="50" IsEnabled="False" FontSize="30" VerticalContentAlignment="Center" FontFamily="Consolas" Foreground="Black">
 
 </TextBox>
 <Grid>
 <Grid.RowDefinitions>
 <RowDefinition Height="*"></RowDefinition>
 <RowDefinition Height="*"></RowDefinition>
 <RowDefinition Height="*"></RowDefinition>
 <RowDefinition Height="*"></RowDefinition>
 </Grid.RowDefinitions>
 <Grid.ColumnDefinitions>
 <ColumnDefinition Width="*"></ColumnDefinition>
 <ColumnDefinition Width="*"></ColumnDefinition>
 <ColumnDefinition Width="*"></ColumnDefinition>
 <ColumnDefinition Width="*"></ColumnDefinition>
 <ColumnDefinition Width="*"></ColumnDefinition>
 </Grid.ColumnDefinitions>
 <Button x:Name="b1" Grid.Column="0" Content="1"/>
 <Button x:Name="b2" Grid.Column="1" Content="2"/>
 <Button x:Name="b3" Grid.Column="2" Content="3"/>
 <Button x:Name="bdelete" Grid.Column="3" Content="Del"/>
 <Button x:Name="bclear" Grid.Column="4" Content="Clear"/>
 <Button x:Name="b4" Grid.Column="0" Grid.Row="1" Content="4"/>
 <Button x:Name="b5" Grid.Column="1" Grid.Row="1" Content="5"/>
 <Button x:Name="b6" Grid.Column="2" Grid.Row="1" Content="6"/>
 <Button x:Name="bplus" Grid.Column="3" Grid.Row="1" Content="+"/>
 <Button x:Name="bminus" Grid.Column="4" Grid.Row="1" Content="-"/>
 <Button x:Name="b7" Grid.Column="0" Grid.Row="2" Content="7"/>
 <Button x:Name="b8" Grid.Column="1" Grid.Row="2" Content="8"/>
 <Button x:Name="b9" Grid.Column="2" Grid.Row="2" Content="9"/>
 <Button x:Name="btimes" Grid.Column="3" Grid.Row="2" Content=×ばつ"/>
 <Button x:Name="bdivide" Grid.Column="4" Grid.Row="2" Content="÷"/>
 <Button x:Name="b0" Grid.Column="0" Grid.ColumnSpan="2" Grid.Row="3" Content="0"/>
 <Button x:Name="bdot" Grid.Column="2" Grid.Row="3" Content="."/>
 <Button x:Name="bequals" Grid.Column="3" Grid.ColumnSpan="2" Grid.Row="3" Content="="/>
 </Grid>
 </DockPanel>
</Window>

using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows;
using System.Windows.Controls;
namespace Calculator
{
 public partial class MainWindow: Window
 {
 Calculator c;
 public MainWindow()
 {
 InitializeComponent();
 this.Loaded += OnLoad;
 }
 void OnLoad(object sender, RoutedEventArgs e)
 {
 c = new Calculator(currentEquation);
 AddClickEvents();
 }
 void AddClickEvents()
 {
 b1.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(1);
 };
 b2.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(2);
 };
 b3.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(3);
 };
 b4.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(4);
 };
 b5.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(5);
 };
 b6.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(6);
 };
 b7.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(7);
 };
 b8.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(8);
 };
 b9.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(9);
 };
 b0.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(0);
 };
 bdot.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press('.');
 };
 bplus.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(Calculator.Function.Add);
 };
 bminus.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(Calculator.Function.Minus);
 };
 btimes.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(Calculator.Function.Times);
 };
 bdivide.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(Calculator.Function.Divide);
 };
 bequals.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(Calculator.Function.Equals);
 };
 bdelete.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(Calculator.Function.Delete);
 };
 bclear.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(Calculator.Function.Clear);
 };
 }
 private class Calculator
 {
 TextBox tb;
 private static class States
 {
 public static bool hasDot;
 public static bool willReplace;
 public static Function currentFunction;
 public static Dictionary<float, Function> lastNumberAndFunction;
 }
 public enum Function
 {
 Add,
 Minus,
 Times,
 Divide,
 Equals,
 Delete,
 Clear,
 None
 }
 public Calculator(TextBox text)
 {
 tb = text;
 States.hasDot = false;
 States.willReplace = false;
 States.currentFunction = Function.None;
 States.lastNumberAndFunction = new Dictionary<float, Function>();
 }
 public void Press(int number)
 {
 if(States.willReplace)
 {
 tb.Text = number.ToString();
 States.willReplace = false;
 return;
 };
 tb.Text += number;
 }
 public void Press(char c)
 {
 if(c == '.' && !States.hasDot)
 {
 tb.Text += c;
 States.hasDot = true;
 }
 }
 public void Press(Function fn)
 {
 switch(fn)
 {
 case Function.Add:
 case Function.Minus:
 case Function.Times:
 case Function.Divide:
 States.lastNumberAndFunction.Add(float.Parse(tb.Text), States.currentFunction);
 States.currentFunction = fn;
 States.willReplace = true;
 break;
 case Function.Equals:
 States.lastNumberAndFunction.Add(float.Parse(tb.Text), States.currentFunction);
 Equals();
 break;
 case Function.Delete:
 tb.Text = String.Join("", tb.Text.Reverse().Skip(1).Reverse());
 if(!tb.Text.Contains(".")) States.hasDot = false;
 break;
 case Function.Clear:
 tb.Text = "";
 States.hasDot = false;
 break;
 }
 }
 void Equals()
 {
 float final = 0;
 foreach(KeyValuePair<float, Function> numberAndFunction in States.lastNumberAndFunction)
 {
 switch(numberAndFunction.Value)
 {
 case Function.None:
 final = numberAndFunction.Key;
 break;
 case Function.Add:
 final += numberAndFunction.Key;
 break;
 case Function.Minus:
 final -= numberAndFunction.Key;
 break;
 case Function.Times:
 final *= numberAndFunction.Key;
 break;
 case Function.Divide:
 if(numberAndFunction.Key == 0)
 {
 final = 0;
 break;
 }
 final /= numberAndFunction.Key;
 break;
 }
 }
 tb.Text = final.ToString();
 States.lastNumberAndFunction.Clear();
 States.hasDot = false;
 States.currentFunction = Function.None;
 States.willReplace = true;
 }
 }
 }
}

added 11435 characters in body

Source Link

edited Aug 15, 2015 at 7:51

hexagonest

edited Aug 15, 2015 at 7:51

hexagonest

Here's the XAML XAML

And here's the MainWindow.xaml.cs file

<Window x:Class="Calculator.MainWindow"
 xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
 xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
 xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
 xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
 xmlns:local="clr-namespace:Calculator"
 mc:Ignorable="d"
 Title="Calculator" Height="350" Width="525">
 <Window.Resources>
 <Style TargetType="Button">
 <Setter Property="Margin" Value="1"/>
 <Setter Property="FontSize" Value="20"/>
 <Setter Property="VerticalContentAlignment" Value="Center"/>
 <Setter Property="FontFamily" Value="Consolas"/>
 </Style>
 </Window.Resources>
 <DockPanel>
 <TextBox DockPanel.Dock="Top" x:Name="currentEquation" Height="50" IsEnabled="False" FontSize="30" VerticalContentAlignment="Center" FontFamily="Consolas" Foreground="Black">
 
 </TextBox>
 <Grid>
 <Grid.RowDefinitions>
 <RowDefinition Height="*"></RowDefinition>
 <RowDefinition Height="*"></RowDefinition>
 <RowDefinition Height="*"></RowDefinition>
 <RowDefinition Height="*"></RowDefinition>
 </Grid.RowDefinitions>
 <Grid.ColumnDefinitions>
 <ColumnDefinition Width="*"></ColumnDefinition>
 <ColumnDefinition Width="*"></ColumnDefinition>
 <ColumnDefinition Width="*"></ColumnDefinition>
 <ColumnDefinition Width="*"></ColumnDefinition>
 <ColumnDefinition Width="*"></ColumnDefinition>
 </Grid.ColumnDefinitions>
 <Button x:Name="b1" Grid.Column="0" Content="1"/>
 <Button x:Name="b2" Grid.Column="1" Content="2"/>
 <Button x:Name="b3" Grid.Column="2" Content="3"/>
 <Button x:Name="bdelete" Grid.Column="3" Content="Del"/>
 <Button x:Name="bclear" Grid.Column="4" Content="Clear"/>
 <Button x:Name="b4" Grid.Column="0" Grid.Row="1" Content="4"/>
 <Button x:Name="b5" Grid.Column="1" Grid.Row="1" Content="5"/>
 <Button x:Name="b6" Grid.Column="2" Grid.Row="1" Content="6"/>
 <Button x:Name="bplus" Grid.Column="3" Grid.Row="1" Content="+"/>
 <Button x:Name="bminus" Grid.Column="4" Grid.Row="1" Content="-"/>
 <Button x:Name="b7" Grid.Column="0" Grid.Row="2" Content="7"/>
 <Button x:Name="b8" Grid.Column="1" Grid.Row="2" Content="8"/>
 <Button x:Name="b9" Grid.Column="2" Grid.Row="2" Content="9"/>
 <Button x:Name="btimes" Grid.Column="3" Grid.Row="2" Content=×ばつ"/>
 <Button x:Name="bdivide" Grid.Column="4" Grid.Row="2" Content="÷"/>
 <Button x:Name="b0" Grid.Column="0" Grid.ColumnSpan="2" Grid.Row="3" Content="0"/>
 <Button x:Name="bdot" Grid.Column="2" Grid.Row="3" Content="."/>
 <Button x:Name="bequals" Grid.Column="3" Grid.ColumnSpan="2" Grid.Row="3" Content="="/>
 </Grid>
 </DockPanel>
</Window>

Hosted on pastebin because they might be a bit long

And here's the CS file

using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows;
using System.Windows.Controls;
namespace Calculator
{
 public partial class MainWindow: Window
 {
 Calculator c;
 public MainWindow()
 {
 InitializeComponent();
 this.Loaded += OnLoad;
 }
 void OnLoad(object sender, RoutedEventArgs e)
 {
 c = new Calculator(currentEquation);
 AddClickEvents();
 }
 void AddClickEvents()
 {
 b1.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(1);
 };
 b2.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(2);
 };
 b3.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(3);
 };
 b4.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(4);
 };
 b5.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(5);
 };
 b6.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(6);
 };
 b7.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(7);
 };
 b8.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(8);
 };
 b9.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(9);
 };
 b0.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(0);
 };
 bdot.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press('.');
 };
 bplus.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(Calculator.Function.Add);
 };
 bminus.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(Calculator.Function.Minus);
 };
 btimes.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(Calculator.Function.Times);
 };
 bdivide.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(Calculator.Function.Divide);
 };
 bequals.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(Calculator.Function.Equals);
 };
 bdelete.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(Calculator.Function.Delete);
 };
 bclear.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(Calculator.Function.Clear);
 };
 }
 private class Calculator
 {
 TextBox tb;
 private static class States
 {
 public static bool hasDot;
 public static bool willReplace;
 public static Function currentFunction;
 public static Dictionary<float, Function> lastNumberAndFunction;
 }
 public enum Function
 {
 Add,
 Minus,
 Times,
 Divide,
 Equals,
 Delete,
 Clear,
 None
 }
 public Calculator(TextBox text)
 {
 tb = text;
 States.hasDot = false;
 States.willReplace = false;
 States.currentFunction = Function.None;
 States.lastNumberAndFunction = new Dictionary<float, Function>();
 }
 public void Press(int number)
 {
 if(States.willReplace)
 {
 tb.Text = number.ToString();
 States.willReplace = false;
 return;
 };
 tb.Text += number;
 }
 public void Press(char c)
 {
 if(c == '.' && !States.hasDot)
 {
 tb.Text += c;
 States.hasDot = true;
 }
 }
 public void Press(Function fn)
 {
 switch(fn)
 {
 case Function.Add:
 case Function.Minus:
 case Function.Times:
 case Function.Divide:
 States.lastNumberAndFunction.Add(float.Parse(tb.Text), States.currentFunction);
 States.currentFunction = fn;
 States.willReplace = true;
 break;
 case Function.Equals:
 States.lastNumberAndFunction.Add(float.Parse(tb.Text), States.currentFunction);
 Equals();
 break;
 case Function.Delete:
 tb.Text = String.Join("", tb.Text.Reverse().Skip(1).Reverse());
 if(!tb.Text.Contains(".")) States.hasDot = false;
 break;
 case Function.Clear:
 tb.Text = "";
 States.hasDot = false;
 break;
 }
 }
 void Equals()
 {
 float final = 0;
 foreach(KeyValuePair<float, Function> numberAndFunction in States.lastNumberAndFunction)
 {
 switch(numberAndFunction.Value)
 {
 case Function.None:
 final = numberAndFunction.Key;
 break;
 case Function.Add:
 final += numberAndFunction.Key;
 break;
 case Function.Minus:
 final -= numberAndFunction.Key;
 break;
 case Function.Times:
 final *= numberAndFunction.Key;
 break;
 case Function.Divide:
 if(numberAndFunction.Key == 0)
 {
 final = 0;
 break;
 }
 final /= numberAndFunction.Key;
 break;
 }
 }
 tb.Text = final.ToString();
 States.lastNumberAndFunction.Clear();
 States.hasDot = false;
 States.currentFunction = Function.None;
 States.willReplace = true;
 }
 }
 }
}

Here's the XAML

And here's the MainWindow.xaml.cs file

Hosted on pastebin because they might be a bit long

Here's the XAML

<Window x:Class="Calculator.MainWindow"
 xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
 xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
 xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
 xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
 xmlns:local="clr-namespace:Calculator"
 mc:Ignorable="d"
 Title="Calculator" Height="350" Width="525">
 <Window.Resources>
 <Style TargetType="Button">
 <Setter Property="Margin" Value="1"/>
 <Setter Property="FontSize" Value="20"/>
 <Setter Property="VerticalContentAlignment" Value="Center"/>
 <Setter Property="FontFamily" Value="Consolas"/>
 </Style>
 </Window.Resources>
 <DockPanel>
 <TextBox DockPanel.Dock="Top" x:Name="currentEquation" Height="50" IsEnabled="False" FontSize="30" VerticalContentAlignment="Center" FontFamily="Consolas" Foreground="Black">
 
 </TextBox>
 <Grid>
 <Grid.RowDefinitions>
 <RowDefinition Height="*"></RowDefinition>
 <RowDefinition Height="*"></RowDefinition>
 <RowDefinition Height="*"></RowDefinition>
 <RowDefinition Height="*"></RowDefinition>
 </Grid.RowDefinitions>
 <Grid.ColumnDefinitions>
 <ColumnDefinition Width="*"></ColumnDefinition>
 <ColumnDefinition Width="*"></ColumnDefinition>
 <ColumnDefinition Width="*"></ColumnDefinition>
 <ColumnDefinition Width="*"></ColumnDefinition>
 <ColumnDefinition Width="*"></ColumnDefinition>
 </Grid.ColumnDefinitions>
 <Button x:Name="b1" Grid.Column="0" Content="1"/>
 <Button x:Name="b2" Grid.Column="1" Content="2"/>
 <Button x:Name="b3" Grid.Column="2" Content="3"/>
 <Button x:Name="bdelete" Grid.Column="3" Content="Del"/>
 <Button x:Name="bclear" Grid.Column="4" Content="Clear"/>
 <Button x:Name="b4" Grid.Column="0" Grid.Row="1" Content="4"/>
 <Button x:Name="b5" Grid.Column="1" Grid.Row="1" Content="5"/>
 <Button x:Name="b6" Grid.Column="2" Grid.Row="1" Content="6"/>
 <Button x:Name="bplus" Grid.Column="3" Grid.Row="1" Content="+"/>
 <Button x:Name="bminus" Grid.Column="4" Grid.Row="1" Content="-"/>
 <Button x:Name="b7" Grid.Column="0" Grid.Row="2" Content="7"/>
 <Button x:Name="b8" Grid.Column="1" Grid.Row="2" Content="8"/>
 <Button x:Name="b9" Grid.Column="2" Grid.Row="2" Content="9"/>
 <Button x:Name="btimes" Grid.Column="3" Grid.Row="2" Content=×ばつ"/>
 <Button x:Name="bdivide" Grid.Column="4" Grid.Row="2" Content="÷"/>
 <Button x:Name="b0" Grid.Column="0" Grid.ColumnSpan="2" Grid.Row="3" Content="0"/>
 <Button x:Name="bdot" Grid.Column="2" Grid.Row="3" Content="."/>
 <Button x:Name="bequals" Grid.Column="3" Grid.ColumnSpan="2" Grid.Row="3" Content="="/>
 </Grid>
 </DockPanel>
</Window>

And here's the CS file

using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows;
using System.Windows.Controls;
namespace Calculator
{
 public partial class MainWindow: Window
 {
 Calculator c;
 public MainWindow()
 {
 InitializeComponent();
 this.Loaded += OnLoad;
 }
 void OnLoad(object sender, RoutedEventArgs e)
 {
 c = new Calculator(currentEquation);
 AddClickEvents();
 }
 void AddClickEvents()
 {
 b1.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(1);
 };
 b2.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(2);
 };
 b3.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(3);
 };
 b4.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(4);
 };
 b5.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(5);
 };
 b6.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(6);
 };
 b7.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(7);
 };
 b8.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(8);
 };
 b9.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(9);
 };
 b0.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(0);
 };
 bdot.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press('.');
 };
 bplus.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(Calculator.Function.Add);
 };
 bminus.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(Calculator.Function.Minus);
 };
 btimes.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(Calculator.Function.Times);
 };
 bdivide.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(Calculator.Function.Divide);
 };
 bequals.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(Calculator.Function.Equals);
 };
 bdelete.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(Calculator.Function.Delete);
 };
 bclear.Click += (object sender, RoutedEventArgs e) =>
 {
 c.Press(Calculator.Function.Clear);
 };
 }
 private class Calculator
 {
 TextBox tb;
 private static class States
 {
 public static bool hasDot;
 public static bool willReplace;
 public static Function currentFunction;
 public static Dictionary<float, Function> lastNumberAndFunction;
 }
 public enum Function
 {
 Add,
 Minus,
 Times,
 Divide,
 Equals,
 Delete,
 Clear,
 None
 }
 public Calculator(TextBox text)
 {
 tb = text;
 States.hasDot = false;
 States.willReplace = false;
 States.currentFunction = Function.None;
 States.lastNumberAndFunction = new Dictionary<float, Function>();
 }
 public void Press(int number)
 {
 if(States.willReplace)
 {
 tb.Text = number.ToString();
 States.willReplace = false;
 return;
 };
 tb.Text += number;
 }
 public void Press(char c)
 {
 if(c == '.' && !States.hasDot)
 {
 tb.Text += c;
 States.hasDot = true;
 }
 }
 public void Press(Function fn)
 {
 switch(fn)
 {
 case Function.Add:
 case Function.Minus:
 case Function.Times:
 case Function.Divide:
 States.lastNumberAndFunction.Add(float.Parse(tb.Text), States.currentFunction);
 States.currentFunction = fn;
 States.willReplace = true;
 break;
 case Function.Equals:
 States.lastNumberAndFunction.Add(float.Parse(tb.Text), States.currentFunction);
 Equals();
 break;
 case Function.Delete:
 tb.Text = String.Join("", tb.Text.Reverse().Skip(1).Reverse());
 if(!tb.Text.Contains(".")) States.hasDot = false;
 break;
 case Function.Clear:
 tb.Text = "";
 States.hasDot = false;
 break;
 }
 }
 void Equals()
 {
 float final = 0;
 foreach(KeyValuePair<float, Function> numberAndFunction in States.lastNumberAndFunction)
 {
 switch(numberAndFunction.Value)
 {
 case Function.None:
 final = numberAndFunction.Key;
 break;
 case Function.Add:
 final += numberAndFunction.Key;
 break;
 case Function.Minus:
 final -= numberAndFunction.Key;
 break;
 case Function.Times:
 final *= numberAndFunction.Key;
 break;
 case Function.Divide:
 if(numberAndFunction.Key == 0)
 {
 final = 0;
 break;
 }
 final /= numberAndFunction.Key;
 break;
 }
 }
 tb.Text = final.ToString();
 States.lastNumberAndFunction.Clear();
 States.hasDot = false;
 States.currentFunction = Function.None;
 States.willReplace = true;
 }
 }
 }
}

Source Link

asked Aug 15, 2015 at 7:26

hexagonest

asked Aug 15, 2015 at 7:26

hexagonest

Calculator with WPF

I built a calculator in C# with WPF for the UI. I'm still a beginner at WPF and C# in general, and I'm just looking for some constructive criticism.

Here's the XAML

And here's the MainWindow.xaml.cs file

Hosted on pastebin because they might be a bit long

default