Private Sub Text1_MouseDown(Button As Integer, Shift As Integer, X As Single, Y As Single)
' Make VB discard the mouse capture.
Text1.Enabled = False
Text1.Enabled = True
End Sub
' Make VB discard the mouse capture.
Text1.Enabled = False
Text1.Enabled = True
End Sub
' 保存默认的窗口函数的地址
Public Const WM_CONTEXTMENU = &H7B
' 当右击文本框时,产生这条消息Public Declare Function GetWindowLong Lib "user32" Alias "GetWindowLongA" (ByVal hWnd As Long, ByVal nIndex As Long) As Long
Public Declare Function SetWindowLong Lib "user32" Alias "SetWindowLongA" (ByVal hWnd As Long, ByVal nIndex As Long, ByVal dwNewLong As Long) As Long
Private 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
Public Function SubClass1_WndMessage(ByVal hWnd As OLE_HANDLE, ByVal Msg As OLE_HANDLE, ByVal wp As OLE_HANDLE, ByVal lp As Long) As Long
If Msg <> WM_CONTEXTMENU Then
SubClass1_WndMessage = CallWindowProc(OldWindowProc, hWnd, Msg, wp, lp)
' 如果消息不是WM_CONTEXTMENU,就调用默认的窗口函数处理
Exit Function
End If
SubClass1_WndMessage = True
End Function窗体的代码:Option ExplicitPrivate Const GWL_WNDPROC = (-4)Private Sub Text1_MouseDown(Button As Integer, Shift As Integer, X As Single, Y As Single)
If Button = 1 Then Exit Sub
OldWindowProc = GetWindowLong(Text1.hWnd, GWL_WNDPROC)
' 取得窗口函数的地址
Call SetWindowLong(Text1.hWnd, GWL_WNDPROC, AddressOf SubClass1_WndMessage)
' 用SubClass1_WndMessage代替窗口函数处理消息
End SubPrivate Sub Text1_MouseUp(Button As Integer, Shift As Integer, X As Single, Y As Single)
If Button = 1 Then Exit Sub
Call SetWindowLong(Text1.hWnd, GWL_WNDPROC, OldWindowProc)
' 恢复窗口的默认函数
PopupMenu usermenu
' 弹出自定义菜单
End Sub
' Make VB discard the mouse capture.
Text1.Enabled = False
popupmenu yourmenu
Text1.Enabled = True
End Sub
这样才行
' Make VB discard the mouse capture.
Text1.Enabled = False
Text1.Enabled = True
PopupMenu usermenu End Sub