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Modal common dialogs

Most of the Common dialog boxes like File open/save, font, color, page setup, print dialog etc opens on top on main window and takes the user input and then closes. User cannot interact with main window and the control jumps to the event procedure of popup dialog. It returns to main event when user selects okay or cancel and dialog returns. This type of dialogs are modal dialog box.

Modeless find replace

Find replace dialog is different than these dialogs. It takes user's input at the same time user can interact with the main window where the search is happening. This type of dialog is modeless dialog box. The processing happens in different GUI thread and user can switch between main dialog and this popup dialog.

Source Code

#include <afxwin.h>
#include <afxdlgs.h>
class CMyWnd : public CFrameWnd
  CFindReplaceDialog m_FindReplace;
  CEdit m_Edit;
10      {
11        RECT rect;
12        Create(NULL, _T("FindReplace demo"));
13        GetClientRect(&rect);
14        m_Edit.Create(ES_MULTILINE | WS_CHILD | WS_VISIBLE | WS_TABSTOP | WS_BORDER, rect, this, 100);
15        m_FindReplace.Create(FALSE, "find", "replace", FR_DOWN, this);
16        m_Edit.SetWindowText("This is a find replace demo.");
17      }
18      afx_msg void CMyWnd::OnClose()
20  };
26  afx_msg void CMyWnd::OnClose()
27  {
28    if(MessageBox ("Want to exit from this application?", "Exit", MB_YESNO) == IDYES)
29    {
30       PostQuitMessage(0);
31    }
32  }
34  class CMyApp : public  CWinApp 
35  {
37    public:
38       virtual BOOL InitInstance()
39      {
40        m_pMainWnd = new CMyWnd();
41        m_pMainWnd->ShowWindow(SW_SHOW);
42        m_pMainWnd->UpdateWindow();
43        return TRUE;
44      }
45   };
46  CMyApp app;


Find replace modeless dialog

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