Graphics 单元中的类 
//Graphics 单元中的类
TGraphicsObject
TFont
TPen
TBrush
TFontRecall
TPenRecall
TBrushRecall
TCanvas
TGraphic
TPicture
TMetafileCanvas
TMetafileImage
TMetafile
TBitmapImage
TBitmap
TIconImage
TIcon
TResourceManager
TBrushResourceManager
TFileFormatsList