Lock controls for fast updates
When you, for example, add listitems to a listbox or combo box Windows repaints the box after each addidtion. This takes up processing time, makes your app look bad (due to flickering) and if you add a lot of items it can take a long time(Especially if the Combo or Listbox Sorted properety is set to true) Windows provides an API called LockWindowUpdate that you can use to keep Windows from updating a control with a hWnd property. This code is a simple way to call that function.
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Public Sub LockControl(objX As Object, cLock As Boolean) Dim i As Long If cLock Then ' This will lock the control LockWindowUpdate objX.hWnd Else ' This will unlock controls LockWindowUpdate 0 objX.Refresh End If End sub '-- End --'
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