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Get the handle of a certain control
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Syntax: TDialog():GetItem( <nId> ) --> <nHWnd>
Parameters:
<nId> The ID of the control for which the 'window handle' should be
returned.
Returns:
<nHWnd> The handle of the control that is identified by <nId>. If a
control can be found on the current dialog box, <nHWnd> will be
the handle to that control. If no control can be found with id
<nId> the return value will be 0.
Comments:
The purpose of this method is to retrieve a WINDOW HANDLE of a specific
control, so you can use an API function to do a certain task. However
use this with care, because using the wrong API function with a handle
can cause serious problems for your application.