Difference between revisions of "Always on top"
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Latest revision as of 16:03, 18 July 2008
| This article is based on Visual Basic 6. Find other Visual Basic 6 articles. |
If you want to make a window "Always on top" then all you need is one single call API call:
Declare Function SetWindowPos Lib "user32" (ByVal hWnd As Long, _ ByVal hWndInsertAfter As Long, ByVal x As Long, ByVal y As Long, _ ByVal cx As Long, ByVal cy As Long, ByVal wFlags As Long) As Long
This function can be used for a number of things but the item of interest to us is setting the Z-Order
Const HWND_TOPMOST = -1 SetWindowPos FormName.hWnd, HWND_TOPMOST, 0, 0, 0, 0, &H1 Or &H2
The &H1 and &H2 translate to SWP_NOSIZE and SWP_NOMOVE which tells SetWindowPos to ignore the size and position paramaters as you only want to change the Z-Order.
To set it back to the normal state, you need to pass HWND_NOTOPMOST
Const HWND_NOTOPMOST = -2
