moving control problem in runtime.

Posted on 2004-08-10
Last Modified: 2010-05-02
helloo experts
here is the problem
I am trying to move label from location to another on a form in runtime by using mousedown and mousemove events but the problem is when the mouse goes over a control on the form while moving the label I lost the actual form.mouse(x,y),,,, in another meaning it becomes the x,y of that control.
I have alote of controls on the form so it is hard to write mousemove event for each one.
my Question is how to keep this label stick to mouse whatever the control under mouse or how to get the actual form x,y.
Question by:fadloun
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Expert Comment

ID: 11770184
You have to create an api hook and on WM_MOUSEMOVE message use GetCursorPos to extract the position of the cursor relative to the screen.
LVL 23

Assisted Solution

by:Ioannis Paraskevopoulos
Ioannis Paraskevopoulos earned 50 total points
ID: 11771334
I wrote this code and works fine:

Dim MouseD As Boolean
Dim curX As Integer
Dim curY As Integer

Private Sub label1_MouseDown(Button As Integer, Shift As Integer, X As Single, Y As Single)
   MouseD = True
   curX = Label1.Left
   curY = Label1.Top
End Sub

Private Sub label1_MouseMove(Button As Integer, Shift As Integer, X As Single, Y As Single)
   If MouseD = True Then
      X = curX + X
      Y = curY + Y
      Label1.Move X, Y
      Label2.Caption = X
      Label3.Caption = Y
      curX = X
      curY = Y
   End If
End Sub

Private Sub label1_MouseUp(Button As Integer, Shift As Integer, X As Single, Y As Single)
   MouseD = False
End Sub
LVL 86

Accepted Solution

Mike Tomlinson earned 75 total points
ID: 11772544
Option Explicit

Private mouseDown As Boolean
Private startX As Single, startY As Single

Private Sub Label1_MouseDown(Button As Integer, Shift As Integer, X As Single, Y As Single)
    If Button = vbLeftButton Then
        startX = X
        startY = Y
        mouseDown = True
    End If
End Sub

Private Sub Label1_MouseMove(Button As Integer, Shift As Integer, X As Single, Y As Single)
    If Button = vbLeftButton And mouseDown Then
        Label1.Move Label1.Left + X - startX, Label1.Top + Y - startY
    End If
End Sub

Private Sub Label1_MouseUp(Button As Integer, Shift As Integer, X As Single, Y As Single)
    If Button = vbLeftButton And mouseDown Then
        mouseDown = False
    End If
End Sub

Author Comment

ID: 11773242
Idle mind
Good Good Good ,,,,
have a good day ,,,,thanx


Author Comment

ID: 11773284
sorry jyparask
I did not read your solution
it is also working
gonna split points
thanx allll

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