'宣言 Sub ClipRoundedRect( _ ByVal x As Single, _ ByVal y As Single, _ ByVal width As Single, _ ByVal height As Single, _ ByVal ew As Single, _ ByVal eh As Single _ )
void ClipRoundedRect( float x, float y, float width, float height, float ew, float eh )
IGraphics インターフェース IGraphics メンバ