Graphics.ReleaseHdc Method ()
Assembly: System.Drawing (in system.drawing.dll)
GetHdc and ReleaseHdc are two methods that allow you to get and release the handle for a Windows device. You should always follow a call to GetHdc with a call to ReleaseHdc when you are finished with the Windows handle.
Windows 98, Windows Server 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter EditionThe Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.