Invalidate Method

Summary

Invalidates the specified region of the automation control.

Syntax

Objective-C

C++

Java

public virtual void Invalidate( 
   LeadRectD rc 
)

Public Overridable Sub Invalidate( _ 
   ByVal rc As LeadRectD _ 
)

-(void) invalidate:(LeadRectD)rc;

public void invalidate(LeadRectD rc)

public:  
   virtual void Invalidate( 
      LeadRectD^ rc 
   )

rc
A LeadRectD that represents the region to invalidate. If this value is LeadRectD.Empty, then the entire control area must be invalidated.

Remarks

This is a helper method that calls IAnnAutomationControl.AutomationInvalidate passing rc.

Example

For an example, refer to BeginUndo

Requirements

Help Version 20.0.2020.3.31