Doesn't work for ComboBox with KEYDOWN

Hi pagladasu,

   I tried to trapping on ListBox that it worked but on ComboBox no worked,please tell me too.

   Regards,
   Aroon
BermAsked:
Who is Participating?
 
namrataCommented:
I hope you are writing your code in WM_KEYDOWN event. is it true? Instead, you need to write code in PretranslateMessage event.  Catch WM_KEDOWN in pretranslatemessage. it should work. Here is the code :

BOOL CMyDlg::PreTranslateMessage(MSG* pMsg)
{
CWnd* pWnd = GetFocus();
if(pWnd->GetDlgCtrlID() == IDC_COMBOBOX) {
    switch (pMsg->message)
     {
      case WM_KEYDOWN :
        switch(pMsg->wParam) {
                   case VK_RETURN :
              // write your code
                    break;
                }
               break;
     }
}
}

Hope this helps,
Namrata                         
0
 
BermAuthor Commented:
Adjusted points to 10
0
 
BermAuthor Commented:
Hi everyone,

    Would you help me too.
    From pagladasu's information that cann't trap with keydown on combobox,as when press enter key on it no reaction but listbox it's OK.

    Who can help me ?

    Please !!!

    Regards,
    Berm
0
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BermAuthor Commented:
Hi Namrata or Anyone,

    Thanks!
     OK,it worked but VK_RETURN id program was unknown when i changed with "13",so it worked

   Why did it no work with VK_RETURN id ?

   Would you tell me please?

   Regards,
   Berm

NOTE : I accepted your answer and  selected an appropriate grade for you is "A"
0
 
namrataCommented:
Hi Berm,

Thanks for the points and grade.

I am also surprised why VK_RETURN is not working. In your winuser.h file, there should be following line :
#define VK_RETURN         0x0D
is it there? I am novice in MFC programming. so i will try to find out an answer.

Thanks again,
Namrata
0
 
BermAuthor Commented:
Hi Namrata,
 
     Yes,it is.
     Never mind !
    You will be The Novice or The Expert;i don't care.

    Because your answer post me that it's a Great help from you to me,so i think you're THE HELPER for me.

    Also thanks again if you will try to find out an answer for me.

      Sincerely,
      Berm


0
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