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Invalidate Method

Summary
Manually invalidates this designer.
Syntax
C#
Objective-C
C++
Java
public virtual void Invalidate( 
   LeadRectD rc 
) 
- (void)invalidate:(LeadRectD)rect; 
public void invalidate(LeadRectD rc) 
public:  
   virtual void Invalidate( 
      LeadRectD^ rc 
   ) 

Parameters

rc
The region to invalidate. If the value of this parameter is LeadRectD.Empty, then the entire surface is invalidated.

Remarks

If the various derived designers determine that the surface of the container needs repainting they will call the Invalidate method to do that. In turn, the Invalidate method determines if there is a valid object in the AutomationControl and calls its AutomationInvalidate method.

Requirements

Target Platforms

Help Version 22.0.2022.4.4
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Leadtools.Annotations.Designers Assembly

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© 1991-2022 LEAD Technologies, Inc. All Rights Reserved.