怎样使程序在指定窗体中显示？

怎样使程序在指定窗体中显示？以前看见过，找不到了

解决了

怎么做到的。。我也想过这个问题。。共享一下。。谢了啊。。

对，分享一下呗

Public Declare Function SetParent Lib "USER32" (ByVal hWndChild As Long, ByVal hWndNewParent As Long) As Long
Function InstanceToWnd(ByVal target_pid As Long) As Long
    Dim test_hwnd As Long
    Dim test_pid As Long
    Dim test_thread_id As Long

    ' Get the first window handle.
    test_hwnd = FindWindow(ByVal 0&, ByVal 0&)

    ' Loop until we find the target or we run out
    ' of windows.
    Do While test_hwnd <> 0
        ' See if this window has a parent. If not,
        ' it is a top-level window.
        If GetParent(test_hwnd) = 0 Then
            ' This is a top-level window. See if
            ' it has the target instance handle.
            test_thread_id = GetWindowThreadProcessId(test_hwnd, test_pid)

            If test_pid = target_pid Then
                ' This is the target.
                InstanceToWnd = test_hwnd
                Exit Do
            End If
        End If

        ' Examine the next window.
        test_hwnd = GetWindow(test_hwnd, GW_HWNDNEXT)
    Loop
End Function

Sub RunSubExe(hwnd As Long, FileName As String)
    Dim Exe_Hwnd As Long
    Dim Exe_OldParent As Long
    Dim pid As Long
    Dim buf As String
    Dim buf_len As Long
    Dim styles As Long
    On Error Resume Next
    pid = Shell(FileName, vbNormalFocus)
    If pid = 0 Then
        MsgBox "打开程序错误!", vbExclamation, "提示"
        Exit Sub
    End If
    Exe_Hwnd = InstanceToWnd(pid)
    Exe_OldParent = SetParent(Exe_Hwnd, hwnd)
End Sub