How to Set Windows Form Always on Top of Other Applications in VB6

The following code snippets allows to set Windows Form Always on Top of Other applications in Visual Basic 6.0.

Public Const SWP_NOMOVE = 2
Public Const SWP_NOSIZE = 1
Public Const FLAGS = SWP_NOMOVE Or SWP_NOSIZE
Public Const HWND_TOPMOST = -1
Public Const HWND_NOTOPMOST = -2

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

The following SetTopMostWindow() function takes two parameters as follows:
      hWnd: the window handle
      Topmost: It is either True to set the on top or False if Not.

Public Function SetTopMostWindow(hWnd As Long, Topmost As Boolean) As Long

   If Topmost = True Then 'Make the window topmost
      SetTopMostWindow = SetWindowPos(hWnd, HWND_TOPMOST, 0, 0, 0, 0, FLAGS)
   Else
      SetTopMostWindow = SetWindowPos(hWnd, HWND_NOTOPMOST, 0, 0, 0, 0, FLAGS)
      SetTopMostWindow = False
   End If
End Function

The following Sub sets the form frmMini on Top of any other applications.

Private Sub Form_Load()
Dim lR As Long
lR = SetTopMostWindow(frmMini.hWnd, True)
End Sub