Vcl.Controls.TControl.GetDeviceContext

• Up to Parent: TControl

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

• Parent

• WindowHandle

• Handle

Code Examples

• GetDeviceContext (Delphi)
• GetDeviceContext (C++)