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ComboBox pulldown list

Posted on 1998-07-31
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Last Modified: 2010-05-03
I'm finding a way to have a longer pulldown list of the combo box.  
Could anybody tell me how to do this ?
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Question by:tam031198
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LVL 6

Accepted Solution

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anthonyc earned 30 total points
ID: 1467366
Sure, this is worth more than 30 points, but here you go:

public sub DropDownHeight(m_cbo as combobox, sHeight As Single)
    Dim sItemWidth      As Single
    Dim sItemWHeight    As Single
    Dim sOldLeft        As Single
    Dim sOldTop         As Single
    Dim objParent       As Object
   
    'adjust the height to take into account the client area
    sItemWHeight = ((sHeight + m_cbo.Height) \ screen.twipsperpixely) + 2
    sItemWidth = m_cbo.Width \ screen.twipsperpixelx

    'hold old locations
    sOldLeft = m_cbo.Left
    sOldTop = m_cbo.Top
    Set objParent = m_cbo.Container
   
    'Resize the combo box
    m_sDropHeight = sItemWHeight
    Call MoveWindow(m_cbo.hwnd, 0, 0, CInt(sItemWidth), CInt(sItemWHeight), 1)
   
    'Move the window back into the container
    m_cbo.Left = sOldLeft
    m_cbo.Top = sOldTop
    Set m_cbo.Container = objParent
end sub
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Author Comment

by:tam031198
ID: 1467367
Anthonyc,  I tested your procedure and the program doesn't recognize the "MoveWindow" function.  Is it an API function ? If so, please tell me which Dll I have to use.  
Also, please tell me how may points this procedure worth,  I'll increase points.

Thanks
0
 

Author Comment

by:tam031198
ID: 1467368
Anthonyc,  I tested your procedure and the program doesn't recognize the "MoveWindow" function.  Is it an API function ? If so, please tell me which Dll I have to use.  
Also, please tell me how may points this procedure worth,  I'll increase points.

Thanks
0
 
LVL 6

Expert Comment

by:anthonyc
ID: 1467369
use the VB API VIEWER to find the declare for movewindow

Declare Function MoveWindow Lib "user32" Alias "MoveWindow" (ByVal hwnd As Long, ByVal x As Long, ByVal y As Long, ByVal nWidth As Long, ByVal nHeight As Long, ByVal bRepaint As Long) As Long

0
 

Author Comment

by:tam031198
ID: 1467370
I have it work now.  Thank you very much Anthonyc !
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