How to make drop down combobox at spacing

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I want to appear a combobox drop down when enter spacing in richtext.I mean you enter "St" behind spacing and combobox/ListBox appears.It will find the items named String,Std.Press tab key and richtext replace St with String/Std.I can press key down/up to select items in combobox.
How to do this?

Posted 21-Jun-12 19:35pm

giatuan2011

Updated 22-Jun-12 2:53am

v3

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Abhinav S 22-Jun-12 1:39am

Sorry but your question is just not clear enough.

Sandeep Mewara 22-Jun-12 2:14am

This is not a well framed question! We cannot work out what you are trying to do/ask from the post. Please elaborate and be specific.
Use the "Improve question" link to edit your question and provide better information.

NeonMika 22-Jun-12 2:21am

I think you mean something similar to Intellisense or the dropdown menu in Word 2007 etc., am I right?

giatuan2011 22-Jun-12 8:41am

I mean you enter St and combobox appears.It will find the item named String.Press tab and richtext replace St with String

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kishhr · Answer 1 · 2012-06-22T07:36:00

Solution 2

Use,

dropdown1.IsOpen = true

This will make drop down open manually

Posted 22-Jun-12 7:36am

kishhr

Vani Kulkarni · Answer 2 · 2012-06-21T23:51:00

Solution 1

Have a look at following link for starters:
DIY Intellisense[^]

Posted 21-Jun-12 23:51pm

Vani Kulkarni

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giatuan2011 22-Jun-12 8:38am

The solution is useful.
It uses the system.dll.
I just added project> ClassLibrary in C# 2008 to make dll.But I will have trouble when I want to add function into .Dll file.I have to recompile dll.