EditToolStartEdit 方法

protected virtual bool StartEdit(
	double dX,
	double dY
)

Protected Overridable Function StartEdit ( 
	dX As Double,
	dY As Double
) As Boolean

protected:
virtual bool StartEdit(
	double dX, 
	double dY
)

abstract StartEdit : 
        dX : float * 
        dY : float -> bool 
override StartEdit : 
        dX : float * 
        dY : float -> bool