VB点击控件移动窗体

'窗口移动APIPrivate Declare Function ReleaseCapture Lib "user32" () As LongPrivate Declare Function SendMessage Lib "user32" Alias _"SendMessageA" (ByVal hwnd As Long, ByVal _wMsg As Long, ByVal wParam As Long, _lParam As Any) As LongPrivate Const WM_SYSCOMMAND = &H112Private Const SC_MOVE = &HF010&Private Const WM_NCLBUTTONDOWN = &HA1Private Const HTCAPTION = 2Private Sub command1_MouseDown(Button As Integer, Shift As Integer, X As Single, Y As Single)   ReleaseCapture   SendMessage hwnd, WM_NCLBUTTONDOWN, HTCAPTION, 0&End Sub