How to get a window handle in VBA (Word)

I want to use the BrowseFolder tool like the one on this site in VBA for Word in order to pick a directory where a lot of scripts are located.
These scripts will be placed in the Word document that's currently open.
When I import the code from this tool into the VBE for Word, it nag's about a compile error: hWnd
This handle is the first argument to be parsed to the module which browses for the directory.
In VB 6.0 it works, in VBA for Word it won't.

Who can help me?

Here is a code to get the handle to both the Window and the control.

Code:

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Private Declare Function FindWindowEx Lib "user32.dll" Alias "FindWindowExA" (ByVal hwndParent As Long, ByVal hwndChildAfter As Long, ByVal lpszClass As Any, ByVal lpszWindow As Any) As Long
Private Declare Function FindWindow Lib "user32.dll" Alias "FindWindowA" (ByVal lpClassName As Any, ByVal lpWindowName As Any) As Long

Private Sub GetHwnd()
    Dim hwnd As Long
    Dim hWndCommandButton As Long

    hwnd = FindWindow(CLng(0), CStr(ActiveDocument.Parent.Caption))
    If hwnd <> 0 Then
        hWndCommandButton = FindWindowEx(hwnd, 0, CLng(0), "BUTTON_CAPTION_GOES_HERE")
    End If
End Sub

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I implemented the code you replied in the form in which the button is placed.
Now VBA complains about the ByRef argumenttypes which do not agree.

what is the error? If you want i can zip the code to you!

thanks anyway so far!

Where does it complain? The code is pretty simple.
If it complains about byrefs and byvals try switching the byrefs with byvals.
The code below was tested in Word97 and had no problems.

Code:

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Declare Function FindWindow Lib "user32.dll" Alias "FindWindowA" (ByVal lpClassName As Any, ByVal lpWindowName As Any) As Long

Function GetHwnd() As Long
    GetHwnd = FindWindow(CLng(0), CStr(ActiveDocument.Parent.Caption))
End Function

Sub Test()
  MsgBox GetHwnd
End Sub

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