| オーバーロード | 解説 | 
|---|---|
| DrawUnderline(Object,Single,Single,Underline,IntPtr) | IDWriteTextLayout::Draw calls this function to instruct the client to draw an underline. | 
| DrawUnderline(Object,Single,Single,GlyphOrientationAngle,Underline,IntPtr) | IDWriteTextLayout::Draw calls this function to instruct the client to draw an underline. |