Vcl.Controls.TControl.GetDeviceContext
Delphi
function GetDeviceContext(var WindowHandle: HWND): HDC; overload; virtual;
C++
virtual HDC __fastcall GetDeviceContext(HWND &WindowHandle)/* overload */;
Properties
Type | Visibility | Source | Unit | Parent |
---|---|---|---|---|
function | protected | Vcl.Controls.pas Vcl.Controls.hpp |
Vcl.Controls | TControl |
Description
Returns a device context for the control.
Call GetDeviceContext to obtain a device context and window handle. Override GetDeviceContext to change how the device context is obtained.
The window handle used by the control is returned in the WindowHandle parameter. GetDeviceContext returns the device context of this, the parent control's window.
See Also
Code Examples