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Limit Combobox selection to items

Hi All,

In VS2005, I would like to limit the text in a combo to the items. I would like to have it to SuggestAppend, and the source is the listitems.

The style is set to DropDown and with DropDownList, you cannot use the autocomplete.

How can I achieve this?
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nzfire
Asked:
nzfire
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1 Solution
 
newyuppieCommented:
with suggestappend you cannot enforce selection to the items, simply suggest.

set the AutoCompleteSource to ListItems, and the AutoCompleteMode to SuggestAppend for every combo or textbox you want.

was this your question?

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nzfireAuthor Commented:
hi newyuppie,

We meet again.

I want to limit the text in the combo to the items. i.e. only allow the user to select items that are in the combo. The same way as the vb6 LimitToList.

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newyuppieCommented:
one solution would be to set the DropDownStyle to DropDownList, but as you figured it out, you lose the autocomplete.

i guess there is no built-in support for this feature. maybe with a piece of code like this you can achieve that effect. put it in the combobox textchanged event:

Private Sub ComboBox_TextChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles TestComboBox.TextChanged

        Dim MyCombo As ComboBox = DirectCast(sender, ComboBox)

        While (MyCombo.FindString(MyCombo.Text) < 0) AndAlso (MyCombo.Text.Length > 0)
            MyCombo.Text = MyCombo.Text.Substring(0, MyCombo.Text.Length - 1)
            MyCombo.Select(MyCombo.Text.Length, 0)
        End While

    End Sub

idea from http://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=407416&SiteID=1
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nzfireAuthor Commented:
Yep, thats fine.

I think that I will just stick with the simple DropDownList. there aren't many items in the combo, but I just wanted to know.

Thanks again
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newyuppieCommented:
yeah, there are just some of these things that where better in the old days...

thanks for the grade!

NY
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