Visual Basic Reference
Occurs when the file listing pattern, such as "*.*", is changed by setting the FileName or Pattern property in code.
Private Sub object_PatternChange([index As Integer])
The PatternChange event syntax has these parts:
|object||An object expression that evaluates to an object in the Applies To list.|
|index||An integer that uniquely identifies a control if it's in a control array.|
You can use a PatternChange event procedure to respond to pattern changes in a FileListBox control. When you assign a string containing a new pattern to the FileName property, the FileListBox invokes the PathChange event.