'宣言 Sub DrawLine( _ ByVal pen As PenEx, _ ByVal from As PointF, _ ByVal to As PointF _ )
'宣言
Sub DrawLine( _ ByVal pen As PenEx, _ ByVal from As PointF, _ ByVal to As PointF _ )
void DrawLine( PenEx pen, PointF from, PointF to )
IDrawingCanvas インターフェース IDrawingCanvas メンバ