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Add Horizontal Scrollbar to Listbox

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Submitted on: 1/8/2015 1:38:00 PM
By: Anonymous (from psc cd)  
Level: Beginner
User Rating: By 16 Users
Compatibility: VB 6.0
Views: 2520
 
     Automatically add a horizontal scrollbar to a listbox, quickly and completely. I wasnt satisfied with the ones on planet so I created my own.
 

Windows API/Global Declarations:

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'**************************************
'Windows API/Global Declarations for :Add Horizontal Scrollbar to Listbox
'**************************************
Public Declare Function SendMessage Lib "user32" Alias "SendMessageA" (ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, lParam As Any) As Long
Public Const LB_SETHORIZONTALEXTENT = &H194
code:
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'**************************************
' Name: Add Horizontal Scrollbar to Listbox
' Description:Automatically add a horizontal scrollbar to a listbox, quickly and completely. I wasnt satisfied with the ones on planet so I created my own.
' By: Anonymous (from psc cd)
'**************************************

Public Sub AddScroll(List As ListBox)
 Dim i As Integer, intGreatestLen As Integer, lngGreatestWidth As Long
 'Find Longest Text in Listbox
 For i = 0 To List.ListCount - 1
 If Len(List.List(i)) > Len(List.List(intGreatestLen)) Then
intGreatestLen = i
 End If
 Next i
 'Get Twips
 lngGreatestWidth = List.Parent.TextWidth(List.List(intGreatestLen) + Space(1)) 
'Space(1) is used to prevent the last Character from being cut off
 'Convert to Pixels 
 lngGreatestWidth = lngGreatestWidth \ Screen.TwipsPerPixelX
 'Use api to add scrollbar
 SendMessage List.hwnd, LB_SETHORIZONTALEXTENT, lngGreatestWidth, 0
 
End Sub


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