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Releases the handle of a Windows device context.
[SecurityPermissionAttribute(SecurityAction::InheritanceDemand, Flags = SecurityPermissionFlag::UnmanagedCode)] [SecurityPermissionAttribute(SecurityAction::LinkDemand, Flags = SecurityPermissionFlag::UnmanagedCode)] void ReleaseHdc()
GetHdc and ReleaseHdc are two methods that allow you to get and release the handle for a Windows-based device. You should always follow a call to GetHdc with a call to ReleaseHdc when you are finished with the Windows handle.
IDeviceContext InterfaceSystem.Drawing Namespace