NtCategoryEventArgs
When double clicking on a category row, that category will change its status from open to close or vice versa. Before this happens, an event of type
beginCategoryOpening or beginCategoryClosing will be fired. You can catch this event to be informed
about the action and you can even cancel the event to prohibit the action.
Class Hierarchy:

Methods and Properties:
| Modifier / Return Value | Name and Parameters | Description |
|---|---|---|
| public void |
|
Marks this event as cancelled. Inherited from NtCancelEventArgs. |
