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Combobox Match Behaviour when DropDownStyle = DropDownList

I have an Combobox with DropDownStyle = DropDownList. This DropDownStyle should not be changed!
When the user types a Letter, the DropDownList moves to the first entry starting with this letter. Is it possible to overwrite this behaviour? For example the DropDownList should move to the first entry containing the letter, typed by the user?
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jdkern
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jdkern
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1 Solution
 
Ramkisan JagtapLead DeveloperCommented:
You can not achieve this without customization. You need to write custom code and extend the behaviour of the Combobox.
Please refer the following article:
http://www.codeproject.com/Tips/755707/ComboBox-with-Suggestions-Based-on-Loose-Character
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jdkernAuthor Commented:
Sorry, the proposed example from codeproject does not work with DropDownStyle = DropDownList!
Clearly, I have to write custom code to change the behaviour. But which method should I best overwrite? KeyPress? Or is there a better way?
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Ramkisan JagtapLead DeveloperCommented:
You can use the onSelectionChanged event
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jdkernAuthor Commented:
Thank you, Ramkisan Jagtap!

I solved my Problem.

Roughly speaking I catch the pressed Letters in KeyPress and store them in a string "userInput".
In OnSelectedIndexChanged I search the best match for "userInput" with the help of the FindString method and set SelectedIndex to the corresponding value.
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Ramkisan JagtapLead DeveloperCommented:
Good to know that you found the solution.

 Cheers
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jdkernAuthor Commented:
?
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