Fundamentals of Dialog Boxes - MFC

Customize the dialog and call it.

2025-10-29

Written by: xiaobin

• Properties
• Win Control
• Invoke

properties

Select the dialog form, then right-click and select “properties”:

• Style: Popup
• System Menu: True
• Title Bar: True
• Border: Dialog Frame
• Caption: Port Configuration

win Control

Drag the Win Control from the Toolbox to the dialog window:

• Group Box
• Combo Box
• Check Box
• Button

invoke(SerialCommView.cpp)

In the main form’s button event.

• head file

#include "ConfigDlg.h"

• call it

CConfigDlg* dlg = new CConfigDlg(this);
dlg->DoModal();

Breaking changes

• Visual Studio 2010+
  The class wizard provides CDiaglogEx.

CDialogEx

The primary technique used to create a dialog is to derive a class from CDialog. To enhance it, Microsoft created a new class named CDialogEx. This class is derived from CDialog and it added only two characteristics: a color background and a picture background.