(Grid)Lines in a ListView /Report mode control ?

G'day again !

How to display rows & columns lines (separators) in a ListView in Report mode to make it looks like a grid, then I'll use this control, since it has many more useful events than the FlexGrid. (And a true PROPORTIONAL scroll bar thumb !)

I know it's possible to do it in a combo box, but I can't find back the infos, coz I figure out it's the same API call to perform this trick on a ListView control.

All my thanks in advance, dear Experts

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By setting a ListView extended style bit using the API SendMessage with the message LVS_EX_GRIDLINES, the ListView columns and rows will be separated by a gray grid line.

Place the following API declare code into the general declarations area of a bas module:

Public Declare Function SendMessageLong Lib "user32" Alias  "SendMessageA" (ByVal hwnd As Long, ByVal Msg As Long, ByVal wParam As Long, ByVal lParam As Long) As Long

Const LVM_FIRST = &H1000


Then, once the list view populated, (or probably it works too on an empty listview), set the right bit :

    Dim rStyle As Long, r As Long
   'get the current ListView style  
    rStyle = SendMessageLong(ListView1.hWnd, LVM_GETEXTENDEDLISTVIEWSTYLE, 0&, 0&)

   'set the extended bit            
   rStyle = rStyle Or LVS_EX_GRIDLINES

   'or if u want remove the extended bit :
'   rStyle = rStyle Xor LVS_EX_GRIDLINES
   'set the new ListView style  
    r = SendMessageLong(ListView1.hWnd, LVM_SETEXTENDEDLISTVIEWSTYLE, 0&, rStyle)

And U probably like the enable the system to highlight the entire row of a ListView (Looks far better)
The solution then is the message LVS_FULLROWSELECT :

and perform the same operations as below (in fact, you can set the both bits at the same time indeed)
Above replace the line by


that's all !

Well, have fun with our new improved ListView reports !

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KrososAuthor Commented:
Wow, thanks a lot ! it works fine. I give you 110 pts (no more, sorry)

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Visual Basic Classic

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