[visual studio 2019] create MFC desktop program (install MFC development components | create MFC application | edit MFC application window | add click event for button | Modify button text | open appl

One 、 install MFC Development component

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open Visual Studio Installer , And then choose modify Visual Studio 2019 , The following dialog box will pop up , choice " Use C++ Desktop development " , Then open the... On the right " Use C++ Desktop development " tab , Check " "

Select and click on the bottom right " modify " Button ,

Wait for the download and installation to complete ;

Two 、 establish MFC application

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stay Visual Studio 2019 In the environment interface , choice " Create a new project (N) " ,

choice " Windows Desktop applications " Under the " MFC application " ,

Enter the relevant configuration , Project name , Storage path , Click on " establish " Button ;

Application type selection " Based on dialog " , The dialog based options are set to nothing ;

Other configurations can be selected by default , You can also choose other configurations , Click here " complete " Button ;

Automatic system generation MFC The procedure is as follows :

Click on " Local Windows The debugger " Button , Run the program :

3、 ... and 、MFC Application window editing

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double-click " Resource file " Medium " MFCHelloWorld.rc " file , Get into " Resource view " ,

Click on " Resource view " Medium " Dialog " Under the " IDD_MFC_HELLO_WORLD_DIALOG " , You can view the dialog box ;

Drag a from the toolbox Button Button into the interface ,

Effect after operation :

Four 、 Add click event for button

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Select and double-click the button , You can enter the corresponding code interface , Click event of Edit button ;

In the void CMFCHelloWorldDlg::OnBnClickedButton1() Method to edit the click event of the button ;

Add the following code to this method , Click to pop up a dialog box , The content in the dialog box is Unicode String in encoded format “Hello World” ;

void CMFCHelloWorldDlg::OnBnClickedButton1(){ 
    	// TODO:  Add control notification handler code here 	MessageBox(L"Hello World");}

The operation effect is as follows :

5、 ... and 、 Modify button text

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Check button , stay " Property panel " Medium " appearance " Under the " Caption " Option is the text setting of the button ;

6、 ... and 、 Open other applications of the system

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Then drag two buttons into the window , Click to open notepad and calculator respectively , UI Set as follows :

Click on the event code as follows :

void CMFCHelloWorldDlg::OnBnClickedButton2(){ 
    	//  Open Notepad 	system("notepad");}void CMFCHelloWorldDlg::OnBnClickedButton3(){ 
    	//  Turn on the calculator 	system("calc");}

Open Notepad :

Turn on the calculator :

7、 ... and 、 Blog source code

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Blog source code : https://download.csdn.net/download/han1202012/15867695