'宣言 Protected Overridable Sub OnElementAdjustmentStart( _ ByVal isUpDownAdjustment As Boolean, _ ByVal initialUpDownAdjustmentPointInBottomBorder As Boolean, _ ByVal isLeftRightAdjustment As Boolean, _ ByVal initialLeftRightAdjustmentPointInRightBorder As Boolean _ )
protected virtual void OnElementAdjustmentStart( bool isUpDownAdjustment, bool initialUpDownAdjustmentPointInBottomBorder, bool isLeftRightAdjustment, bool initialLeftRightAdjustmentPointInRightBorder )