QueueClient/QueueTest/MouseAwareButton.cs · ewin66/QueueSystem

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QueueSystem

QueueClient

QueueTest

MouseAwareButton.cs

MouseAwareButton.cs 1.54 KB

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Forms;

public class MouseAwarePictureBox : PictureBox
{
 private const int WM_LBUTTONDOWN = 0x201;
 private const int WM_LBUTTONUP = 0x202;
 Control prevParent = null;

public new event MouseEventHandler MouseUp;
 public new event MouseEventHandler MouseDown;

protected override void OnParentChanged(EventArgs e)
 {
 if (prevParent != null)
 {
 WndProcHooker.UnhookWndProc(prevParent, WM_LBUTTONDOWN);
 WndProcHooker.UnhookWndProc(prevParent, WM_LBUTTONUP);
 }
 prevParent = Parent;

if (Parent != null)
 {
 WndProcHooker.HookWndProc(Parent, WM_LBUTTONDOWN_Handler, WM_LBUTTONDOWN);
 WndProcHooker.HookWndProc(Parent, WM_LBUTTONUP_Handler, WM_LBUTTONUP);
 }
 base.OnParentChanged(e);
 }

int WM_LBUTTONDOWN_Handler(IntPtr hwnd, uint msg, uint wParam, int lParam, ref bool handled)
 {
 int x = lParam & 0xffff, y = lParam >> 16;
 MouseEventArgs args = new MouseEventArgs(MouseButtons.Left, 0, x, y, 0);
 if (MouseDown != null)
 MouseDown(this, args);
 return 0;
 }

int WM_LBUTTONUP_Handler(IntPtr hwnd, uint msg, uint wParam, int lParam, ref bool handled)
 {
 int x = lParam & 0xffff, y = lParam >> 16;
 MouseEventArgs args = new MouseEventArgs(MouseButtons.Left, 0, x, y, 0);
 if (MouseUp != null)
 MouseUp(this, args);
 return 0;
 }
}

一键复制编辑原始数据按行查看历史

Ace 提交于 2018年08月16日 11:39 +08:00 . update

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Forms;


public class MouseAwarePictureBox : PictureBox
{
 private const int WM_LBUTTONDOWN = 0x201;
 private const int WM_LBUTTONUP = 0x202;
 Control prevParent = null;

 public new event MouseEventHandler MouseUp;
 public new event MouseEventHandler MouseDown;

 protected override void OnParentChanged(EventArgs e)
 {
 if (prevParent != null)
 {
 WndProcHooker.UnhookWndProc(prevParent, WM_LBUTTONDOWN);
 WndProcHooker.UnhookWndProc(prevParent, WM_LBUTTONUP);
 }
 prevParent = Parent;

 if (Parent != null)
 {
 WndProcHooker.HookWndProc(Parent, WM_LBUTTONDOWN_Handler, WM_LBUTTONDOWN);
 WndProcHooker.HookWndProc(Parent, WM_LBUTTONUP_Handler, WM_LBUTTONUP);
 }
 base.OnParentChanged(e);
 }

 int WM_LBUTTONDOWN_Handler(IntPtr hwnd, uint msg, uint wParam, int lParam, ref bool handled)
 {
 int x = lParam & 0xffff, y = lParam >> 16;
 MouseEventArgs args = new MouseEventArgs(MouseButtons.Left, 0, x, y, 0);
 if (MouseDown != null)
 MouseDown(this, args);
 return 0;
 }

 int WM_LBUTTONUP_Handler(IntPtr hwnd, uint msg, uint wParam, int lParam, ref bool handled)
 {
 int x = lParam & 0xffff, y = lParam >> 16;
 MouseEventArgs args = new MouseEventArgs(MouseButtons.Left, 0, x, y, 0);
 if (MouseUp != null)
 MouseUp(this, args);
 return 0;
 }
}