Image object:
GdipCreateTexture
GdipDisposeImage
GdipGetImageFlags
GdipGetImageGraphicsContext
GdipGetImagePalette
GdipGetImagePaletteSize
GdipGetImageRawFormat
GdipGetImageType
GdipGetPropertyCount
GdipGetPropertyIdList
GdipGetPropertyItem
GdipGetPropertyItemSize
GdipLoadImageFromFile
GdipRemovePropertyItem
GdipSetImagePalette
GdipSetPropertyItem
GDI+: creating scaled copy of image file
GDI+: reading and writing metadata in JPEG and TIFF files