Vcl.Controls.TCMDrag
Delphi
TCMDrag = record
C++
struct DECLSPEC_DRECORD TCMDrag
{
public:
unsigned Msg;
#ifndef _WIN64
#else /* _WIN64 */
Winapi::Messages::TDWordFiller MsgFiller;
#endif /* _WIN64 */
TDragMessage DragMessage;
System::Byte Unused1;
Winapi::Messages::TWordFiller Unused2;
TDragRec *DragRec;
NativeInt Result;
};
Properties
Type | Visibility | Source | Unit | Parent |
---|---|---|---|---|
record struct |
public | Vcl.Controls.pas Vcl.Controls.hpp |
Vcl.Controls | Vcl.Controls |
Description
TCMDrag is used with a CM_DRAG message.
An object of type TCMDrag is used with a CM_DRAG message. The following table lists the fields contained by TCMDrag:
Field | Meaning |
---|---|
Msg |
Represents the Windows message code. |
DragMessage |
Indicates the type of drag operation executed by the control. |
Reserved1 |
Unused. |
Reserved2 |
Unused. |
DragRec |
Is a pointer to a structure that contains information about the dragged object. |
Result |
Holds the value returned by the application processing the message. |
The TCMDrag type is used internally.