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List-View tool tips

lwinkenb
lwinkenb asked
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Last Modified: 2013-12-03
Im trying to add tool tips to my list-view.  Here is my code:

      LVSETINFOTIP info;
      memset(&info,0,sizeof(info));
      info.cbSize = sizeof(info);
      info.dwFlags = 0;
      info.iItem = 0;
      info.iSubItem = 0;
      info.pszText = wbuffer;
      if(!SendMessage(GetDlgItem(this->m_hwndMainDlg,IDC_LIST_MAIN),LVM_SETINFOTIP,0,(LPARAM)&info))
      {
            //ERROR:  I get here
      }

Why would SendMessage() return FALSE here?  
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