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OnDraw Method

Summary
Raises the Draw event.
Syntax
C#
Objective-C
C++/CLI
Java
Python
protected virtual void OnDraw( 
   AnnDrawDesignerEventArgs e 
) 
- (void)onDraw:(LTAnnDrawDesignerEventArgs *)args 
protected void onDraw(AnnDrawDesignerEvent event) 
protected:  
   virtual void OnDraw( 
      AnnDrawDesignerEventArgs^ e 
   ) 
def OnDraw(self,e): 

Parameters

e
The event data.

Remarks

Raising an event invokes the event handler through a delegate. The OnDraw method also allows derived classes to handle the event without attaching a delegate. This is the preferred technique for handling the event in a derived class.

Note to Inheritors: When overriding the Draw event in a derived class, be sure to call the base class's OnDraw method so that registered delegates receive the event.

Requirements

Target Platforms

Help Version 22.0.2023.3.31
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Leadtools.Annotations.Designers Assembly

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© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.