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Graphics.ReleaseHdc Method

Releases a device context handle obtained by a previous call to the GetHdc method of this Graphics.

Namespace:  System.Drawing
Assembly:  System.Drawing (in System.Drawing.dll)

[SecurityPermissionAttribute(SecurityAction.LinkDemand, Flags = SecurityPermissionFlag.UnmanagedCode)]
public void ReleaseHdc()

Implements

IDeviceContext.ReleaseHdc()

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.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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