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Windows combobox - setting selected value with AutoComplete using TAB key

TSFLLC asked
Last Modified: 2012-05-11
I have created a textbox with an AutoComplete with SuggestAppend where my datasource and autocomplete source is a dataview.

I want the following to happen:

1) I begin typing text.  The SuggestAppend begins filling the combobox while the AutoComplete dropdown displays appropriately.
2) When I TAB out of the combobox and a valid value is displayed in the combobox , I want to set the SelectedValue of that entry.  By default you have to press ENTER or click on a row from the dropdown with my mouse.  I want a TAB to do what an enter or mouseclick does.
3) If my SelectedValue is -1 or nothing (whichever is appropriate when a valid value is not in the combobox ) I prompt to add new one with messagebox.  

The issue is that the selectedvalue is always nothing when using TAB.
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