سلام
کد زیر رو توی رویداد mouse move فرم مینویسی:
Dim lngReturnValue As Long
If Button = 1 Then
Call ReleaseCapture
lngReturnValue = SendMessage(Me.hWnd, &HA1, 2, 0&)
End If
قبلش دوتا api زیر رو هم با کد زیر فراخونی کن(توی قسمت general فرم):
'==========Drag==========
Private Declare Function ReleaseCapture Lib "user32.dll" () As Long
Private Declare Function SendMessage Lib "user32.dll" Alias "SendMessageA" (ByVal hWnd As Long, ByVal wMsg As Long, ByVal wParam As Long, lParam As Any) As Long
'============================