Hola xinlu aqui tu codigo:
Dim MoveScreen As Boolean
Dim MousX As Integer
Dim MousY As Integer
Dim CurrX As Integer
Dim CurrY As Integer
Private Sub Form_MouseDown(Button As Integer, Shift As Integer, X As Single, Y As Single)
MoveScreen = True
MousX = X
MousY = Y
End Sub
Private Sub Form_MouseMove(Button As Integer, Shift As Integer, X As Single, Y As Single)
If MoveScreen Then
CurrX = Form1.Left - MousX + X
CurrY = Form1.Top - MousY + Y
Form1.Move CurrX, CurrY
End If
End Sub
Private Sub Form_MouseUp(Button As Integer, Shift As Integer, X As Single, Y As Single)
MoveScreen = False
End Sub