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How To SendMessageString To A ComboBox in VB 6.0

Posted on 2008-10-18
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Last Modified: 2012-05-05
I can succesfull use the sendmessagestring, WM_SETTEXT to a command button or to a textbox  but i can't get it work to a combobox, What i am doing wrong? Please look at my attached code
Dim nHwnd As Long
Dim statica As Long
Dim nEditHwnd2 As Long
nHwnd = FindWindow(vbNullString, "Profile: s")
statica = FindWindowEx(nHwnd, 0&, vbNullString, "Pre")
nedithwnd2 = FindWindowEx(statica, 0&, "ComboBox", vbNullString)
SendMessageSTRING EditHwnd2, WM_SETTEXT, 0&, ByVal "test1"

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Question by:KingSencat
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by:c0ldfyr3
ID: 22751690
The reason it's not working isn't your code, just stop for a second and think what you are trying to do. A textbox and a command button both have a property which you could call 'Text', so you are setting that property with the WM_SETTEXT message. A combo box doesn't have a text property as such, it has a list of items which you select.

Try these links...

C++ code for setting and adding combo items: http://en.wikibooks.org/wiki/Windows_Programming/User_Interface_Controls
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by:KingSencat
ID: 22753952
So there is no way to add a new text/item to the combobox?
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by:c0ldfyr3
ID: 22755777
KingSencat, did you even open the link I sent you? It has API to add new items to a combo but WM_SETTEXT is not the way.
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by:KingSencat
ID: 22773172
sorry i you didnt notice but i am not using c++, just vb
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by:c0ldfyr3
ID: 22775731
KingSencat, I know you are using VB, I'm trying to get you to use your intuition. If you bothered to READ the page you'd know exactly how to approach this.

API is the same for all languages.
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by:KingSencat
ID: 22784150
I have read the page and i have no idea how i can accomplish it using vb 6.0 , can you do it for me pls?
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