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IDeviceContext Interface

Defines methods for obtaining and releasing an existing handle to a Windows device context.

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

public interface IDeviceContext : IDisposable

The IDeviceContext type exposes the following members.

  NameDescription
Public methodDisposePerforms application-defined tasks associated with freeing, releasing, or resetting unmanaged resources. (Inherited from IDisposable.)
Public methodGetHdcReturns the handle to a Windows device context.
Public methodReleaseHdcReleases the handle of a Windows device context.
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A device context defines the graphics object for drawing on a Windows-based device. An example of a class that implements the IDeviceContext interface is the Graphics class.

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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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