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Bitmap.GetHbitmap Method

Creates a GDI bitmap object from this Bitmap.

Namespace:  System.Drawing
Assembly:  System.Drawing (in System.Drawing.dll)
[SecurityPermissionAttribute(SecurityAction.LinkDemand, Flags = SecurityPermissionFlag.UnmanagedCode)]
public IntPtr GetHbitmap()

Return Value

Type: System.IntPtr
A handle to the GDI bitmap object that this method creates.
ExceptionCondition
ArgumentException

The height or width of the bitmap is greater than MaxValue.

Exception

The operation failed.

You are responsible for calling the GDI DeleteObject method to free the memory used by the GDI bitmap object. For more information about GDI bitmaps, see Bitmaps in the Windows GDI documentation.

The following code example demonstrates how to use the GetHbitmap method.

[System.Runtime.InteropServices.DllImport("gdi32.dll")]
public static extern bool DeleteObject(IntPtr hObject);


private void DemonstrateGetHbitmap()
{
    Bitmap bm = new Bitmap("Picture.jpg");
    IntPtr hBitmap = bm.GetHbitmap();

    // Do something with hBitmap.
    DeleteObject(hBitmap);
}

.NET Framework

Supported in: 4.5.1, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows Phone 8.1, Windows Phone 8, 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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