GDI+ 枚举
Windows GDI+ 定义以下枚举：
- BrushType
- ColorAdjustType
- ColorChannelFlags
- ColorMatrixFlags
- CombineMode
- CompositingMode
- CompositingQuality
- 坐标空间
- CurveAdjustments
- CurveChannel
- DashCap
- DashStyle
- DitherType
- DriverStringOptions
- EmfPlusRecordType
- EmfToWmfBitsFlags
- EmfType
- EncoderParameterValueType
- EncoderValue
- FillMode
- FlushIntention
- FontStyle
- HatchStyle
- HistogramFormat
- HotkeyPrefix
- ImageCodecFlags
- ImageFlags
- ImageLockMode
- ImageType
- InterpolationMode
- ItemDataPosition
- LinearGradientMode
- LineCap
- LineJoin
- MatrixOrder
- MetafileFrameUnit
- MetafileType
- ObjectType
- PaletteFlags
- PaletteType
- PathPointType
- PenAlignment
- PenType
- PixelOffsetMode
- RotateFlipType
- SmoothingMode
- 状态
- StringAlignment
- StringDigitSubstitute
- StringFormatFlags
- StringTrimming
- TextRenderingHint
- 计价单位
- WarpMode
- WrapMode