How do I disable the mouse wheel for a combo box in C++ ?

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Hi All...
I am trying to disable mouse wheel for a combo box in C++(MFC).Can anyone help me?

What I have tried:

I tried using WM_MOUSEWHEEL but not upto the mark.

Posted 2-Feb-17 23:56pm

Rais Shaikh

Updated 3-Feb-17 0:25am

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Richard MacCutchan 3-Feb-17 7:16am

"not upto the mark"
Means what?

Philippe Mori 3-Feb-17 10:10am

Not a good idea to modify how controls are expected to works. People will hate your application.

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Jochen Arndt · Accepted Answer · 2017-02-03T00:25:00

Solution 1

A common method would be deriving your own class from the MFC control and handling the message there using PreTranslateMessage (untested):

BOOL CMyComboBox::PreTranslateMessage(MSG* pMsg)
{
    return pMsg->message == WM_MOUSEWHEEL ? TRUE : CComboBox::PreTranslateMessage(pMsg);
}

Posted 3-Feb-17 0:25am

Jochen Arndt

Comments

Rais Shaikh 6-Feb-17 2:52am

In that page I have Clistctrl also for that also it is disabling mouse wheel. How to make it specific for CCombobox. Thanks

Jochen Arndt 6-Feb-17 2:59am

You have to derive you own combo box class (named CMyComboBox in my example) and handle the message there.

You may also handle it in the dialog class (which seems what you have done) but must then check which control is the recipient of the message and filter the message only when it is for the combo box(es).

Rais Shaikh 6-Feb-17 4:15am

Thank You So much... I got it.