Add Resource

dialog bar

property:

• Style: Popup
• System Menu: True
• Title Bar: True

Set Icon

• add picture
  

• picture control

type: Icon
Image: IDI_ICON1

About Dialog

• add class
  

• add resource head file

#include "resource.h"

project

Add Button

• Declare

private:
    CButton m_btnAbout;

• impl

    CRect rt;
    rt.top = 10;
    rt.left = 150;
    rt.right = 250;
    rt.bottom = 30;

    m_btnAbout.Create(_T("About"),
        WS_CHILD | WS_VISIBLE,
        rt,
        this,
        ID_ABOUT); // #define ID_ABOUT 1101

Button Event

• Declare

public:
    afx_msg void OnBtnClick();

• impl

afx_msg void CMainWindow::OnBtnClick()
{
    CAboutDlg dlgAbout;  // #include "AboutDlg.h"
    dlgAbout.DoModal();
}

Add Message Map

• Declare

DECLARE_MESSAGE_MAP()

• impl

BEGIN_MESSAGE_MAP(CMainWindow, CFrameWnd)
    ON_COMMAND(ID_ABOUT, OnBtnClick)
END_MESSAGE_MAP()