GDI+
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GDI+ |
If GDI+ is available, the button control supports additional features not otherwise available. Images defined using the Image1 and Image2 properties support PNG, TIFF, JPEG, GIF, Exif, EMF+, EMF (GDI+ images) with full alpha-blended (translucent and semi-transparent) images.
GDI+ is always available on Windows XP, Windows Server 2003, Windows Vista and newer Windows versions. On earlier Windows versions, GDI+ is available as a redistributable for Windows 2000, Windows 98, and Windows Me from Microsoft (www.microsoft.com) as part of the Platform SDK (Windows XP and newer). Usually, it is sufficient to simply distribute the Dll gdiplus.dll in your application directory.
If GDI+ support is not available, the features are simply disabled and alternate presentation methods are used, if available.