构造函数

	名称	描述
	GeometryDrawingArc

方法

	名称	描述
	GetGeometry	(Overrides GeometryDrawing..::.GetGeometry()()().)
	GetNextParameterInputMethod	(Overrides GeometryDrawing..::.GetNextParameterInputMethod()()().)
	GetTrackingGeometry	(Overrides GeometryDrawing..::.GetTrackingGeometry(GeometryDrawingParameter).)
	VerifyInput	(Overrides GeometryDrawing..::.VerifyInput(GeometryDrawingParameter).)

	名称	描述
	DrawingCursor	(Overrides GeometryDrawing..::.DrawingCursor.)
	IsCompleted	(Overrides GeometryDrawing..::.IsCompleted.)