Vcl.Controls.TCMControlChange
From RAD Studio API Documentation
Delphi
TCMControlChange = record Msg: Cardinal; MsgFiller: TDWordFiller; Control: TControl; Inserting: LongBool; InsertingFiller: TDWordFiller; Result: LRESULT; end;
C++
struct DECLSPEC_DRECORD TCMControlChange { public: unsigned Msg; #ifndef _WIN64 #else /* _WIN64 */ Winapi::Messages::TDWordFiller MsgFiller; #endif /* _WIN64 */ TControl* Control; System::LongBool Inserting; #ifndef _WIN64 #else /* _WIN64 */ Winapi::Messages::TDWordFiller InsertingFiller; #endif /* _WIN64 */ NativeInt Result; };
Properties
| Type | Visibility | Source | Unit | Parent |
|---|---|---|---|---|
record struct |
public | Vcl.Controls.pas Vcl.Controls.hpp |
Vcl.Controls | Vcl.Controls |
Description
Represents a VCL control change notification.
An object of the TCMControlChange type is used with a CM_CONTROLCHANGE message and is sent to the parent control when a child control is being changed. The following table lists the fields contained by TCMControlChange:
| Field | Meaning |
|---|---|
|
Msg |
Represents the Windows message code. |
|
Control |
Specifies the control that is being changed. |
|
Inserting |
Specifies whether the specified control is being inserted to the parent or is being changed. |
|
Result |
Holds the value returned by the application processing the message. |