	Name	Description
	m_fUniformAlpha	If all pixels of the image have the same alpha value, the field stores the alpha value as a number in the range [0, 1]. If the alpha value varies accross pixels, the value must be -1. If not calculated yet, the value must be -2.
	m_ImageCacheLock

	Name	Description
	Bounds	Gets the image natural bounds.
	DataException	Gets the exception that has been thrown during retrieval of image source data. Returns null if no exception has been thrown.
	FrameCount	Gets the number of frames in the image.
	Height	Gets the height of this image source.
	ImageInfo	Gets information about the current image data.
	IsMutable	Returns true if the image source data can change during the lifetime of this image source.
	Width	Gets the width of this image source.

	Name	Description
	CreateFrameRaster	Creates a raster for the frame at the given zero-based index.
	CreateRaster	Creates a new raster from the native image data of this source.
	DeepClone	Must override to create a copy of the current object.
	Deserialize	Must override to deserialize the object state from the specified property bag.
	GetEncodedData	Obtains encoded image data for this image source.
	PlayMetafileCached	Gets a
	SafeCreateRaster	Creates a new raster from the native image data of this source.
	Serialize	Must override to serialize the object state into the specified property bag.
	TryGetUniformAlpha	Determines whether all of the image's pixels have the same alpha value and obtains this alpha value.

	Name	Description
	ClearCachedInfo	Clears the image source's cached data.
	GetDescriptionPairs
	OnImageDataChanged	Clears cached data and raises the ImageDataChanged event.
	UpdateImageInfo	Updates the cached data of this image source.