form move

How can I set something to be changed whenever the form is moved?
thanks in advance
-Rog

Put a timer on the form, set its Interval property to something small, and include this code in your form:

Code:

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Option Explicit

Private mlngStartLeft As Long
Private mlngStartTop As Long

Private Sub Form_Load()

    mlngStartLeft = Me.Left
    mlngStartTop = Me.Top
   
End Sub


Private Sub Timer1_Timer()

   
    If Me.Left <> mlngStartLeft Or _
      Me.Top <> mlngStartTop Then
        ' Put code to set whatever you want here
        mlngStartLeft = Me.Left
        mlngStartTop = Me.Top
    End If
   
End Sub

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This code, from Megatron, may be better for going about to detect when yoru form is being moved.

Code:

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'Module code:

Declare Function GetWindowLong Lib "user32" Alias "GetWindowLongA" (ByVal hwnd As Long, ByVal nIndex As Long) As Long
Declare Function SetWindowLong& Lib "user32" Alias "SetWindowLongA" (ByVal hwnd As Long, ByVal nIndex As Long, ByVal dwNewLong As Long)
Declare Function CallWindowProc Lib "user32" Alias "CallWindowProcA" (ByVal lpPrevWndFunc As Long, ByVal hwnd As Long, ByVal msg As Long, ByVal wParam As Long, ByVal lParam As Long) As Long
Const GWL_WNDPROC = (-4)
Const WM_MOVE = &H3
Const WM_EXITSIZEMOVE = &H232
 
Global WndProcOld As Long

Public Function WindProc(ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, ByVal lParam As Long) As Long

    If wMsg = WM_EXITSIZEMOVE Then
        'The Form has finished moving
        MsgBox ("Form1 has been moved")
    End If
   
    If wMsg = WM_MOVE Then
        'The Form is moving
        Form1.Print "Form is moving"
    End If
   
    WindProc = CallWindowProc(WndProcOld&, hwnd&, wMsg&, wParam&, lParam&)
   
End Function

Sub SubClassWnd(hwnd As Long)
    WndProcOld& = SetWindowLong(hwnd, GWL_WNDPROC, AddressOf WindProc)
End Sub

Sub UnSubclassWnd(hwnd As Long)
    SetWindowLong hwnd, GWL_WNDPROC, WndProcOld&
    WndProcOld& = 0
End Sub


'Form code:

Private Sub Form_Load()
    SubClassWnd Me.hwnd
End Sub

Private Sub Form_Unload(Cancel As Integer)
    UnSubclassWnd Me.hwnd
End Sub

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