BeginUpdate Method (Annotation)

Prevents the Annotation object from invoking update events until the EndUpdate method is called.

Syntax

Visual Basic (Declaration)
Visual Basic (Usage)
C#
C++/CLI

Public Sub BeginUpdate()

Dim instance As Annotation
 
instance.BeginUpdate()

public void BeginUpdate()

public:
void BeginUpdate();

Remarks

In normal operation, frequent modifications on Annotation object may get slow because every modifications properties normally invokes update events. This method prevents the object from invoking events.

After the modifications, you should call the EndUpdate method. Not to call the EndUpdate method may result in unpredictable behavior. You had better use try-finally or try-catch to ensure the call to the EndUpdate method.

Requirements

Target Platforms: Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family, Windows Vista, Windows Server 2008 family

Reference

Annotation Class
Annotation Members
EndUpdate Method