event BeforeCollapse (SelFolder as ExShellFolder, Cancel as Boolean)
Fired before a folder is about to collapse.
Type
Description
SelFolder as
ExShellFolder
A Folder being collapsed
Cancel as Boolean
A Boolen expression that indicates whether the operation is canceled or not.
When the user double clicks on a folder, or on a 'plus' button next to folder, it expands. If it was already expanded, it collapses. When the folder collapses, two events are fired. BeforeCollapse is fired
before
ExFolderView changes its structure, so some additional functions can be executed. The
AfterCollapse
event is fired
after
the structure has changed. Usually, expanding and collapsing folders will result in more or fewer folders being visible after this event, so if some additional code is required it should be put inside this event body.
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