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 all supported Windows platforms.
If GDI+ support is not available, the features are simply disabled and alternate presentation methods are used, if available.
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