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Application.ScreenUpdating property (Visio)

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Determines whether the screen is updated (redrawn) during a series of actions. Read/write.

Syntax

expression.ScreenUpdating

expression A variable that represents an Application object.

Return value

Integer

Remarks

Use the ScreenUpdating property to increase performance during a series of actions. For example, you can turn off screen updating while a series of shapes are created so that the screen is not redrawn after each shape appears. Then you can turn screen updating on to update the screen.

If you send a large number of commands to a Microsoft Visio instance while screen updating is turned off, the Visio instance may redisplay the screen occasionally to flush its buffers.

If a program neglects to turn screen updating on after turning it off, the Visio instance turns screen updating back on when a user performs an operation.

Note

The ShowChanges and ScreenUpdating properties are similar in that they are both designed to increase performance during a series of actions, but they work differently. Setting the ShowChanges property also sets the ScreenUpdating property, but setting the ScreenUpdating property does not set the ShowChanges property. For a comparison of these two properties, see the ShowChanges property.

Example

This Microsoft Visual Basic code snippet shows how to use the ScreenUpdating property.

'Turn off screen updating to improve performance during 
'the series of actions that follow. 
 Visio.Application.ScreenUpdating = False 
 
'Drop several shapes. 
'Set the shapes' text. 
'Connect the shapes. 
'Format the connectors. 
 
'Turn screen updating on again when the actions are complete. 
Visio.Application.ScreenUpdating = True

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