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| Leadtools Namespace > RasterImage Class : EnableEvents Method |
public void EnableEvents()
'Declaration
Public Sub EnableEvents()
'Usage
Dim instance As RasterImage instance.EnableEvents()
public void EnableEvents()
-(void)enableEvents
public void enableEvents()
function Leadtools.RasterImage.EnableEvents()
public: void EnableEvents();
Calling DisableEvents will increment an internal counter. When the internal counter is 0, the Changed events will be raised for changes to the RasterImage.
When the internal counter is != 0, Changed will not be raised. Therefore, for each call to DisableEvents, there should be a corresponding call to EnableEvents in order to restore the raising of events.
You can temporary disable the Changed event when performing multiple operations on a RasterImage object then re-enabling it once the operations are done. This way, any listeners to the Changed event will be notified only once thus optimizing the performance.