Use MessageBox to realize window confession applet (with source code)

Effect demonstration ：

Run the program to pop up the following window ：

choice ： yes

choice ： no

Choose... Again ： no , This box will always pop up ;
choice ： yes

Function introduction and usage ：

MessageBox It means to display a modal dialog , It contains a system icon 、 A set of buttons and a short application specific message , Information such as status or error . An integer value is returned in the message box , This value indicates which button the user clicked .
function ：
MessageBox(HWND hWnd, LPCTSTR lpText, LPCTSTR lpCaption, UINT uType)
Parameters ：
hWnd:
This parameter represents the window owned by the message box . If NULL, Then the message box does not have a window .
lpText:
Contents in the prompt box .
lpCaption:
The title of the prompt box .
uType:
Buttons and icons in the message box .

uType Parameters ：

Parameters	Buttons that appear
MB_OK	confirm
MB_YESNO	YES( yes )、NO( no )
MB_ABORTRETRYIGNORE	Abort( give up )、Retry( retry )、Ignore( skip )
MB_YESNOCANCEL	Yes、No、Cancel
MB_RETRYCANCEL	Retry( retry )、Cancel( Cancel )
MB_OKCANCEL	OK、Cancel

Return value

Return value	Select the button
IDOK	OK
IDCANCEL	CANCEL
IDABORT	ABORT
IDRETRY	ETRY
IDIGNORE	IGNORE
IDYES	YES
IDNO	NO

Program source code ：

#include <tchar.h>
#include <Windows.h>

int WINAPI _tWinMain(HINSTANCE hInstance, HINSTANCE hPreInstance, LPTSTR lpCmdLine, INT nShowCmd)
{
    
	UINT nRet = MessageBox(NULL, _T(" I like you ！"), _T(" Tell you a secret ："), MB_YESNO);
	if (nRet == IDYES)
	{
    
		MessageBox(NULL, _T(" I love you, MEDA ！"),_T(""), MB_OK);
	}
	if (nRet == IDNO)
	{
    
		while (1)
		{
    
			UINT mRet = MessageBox(NULL, _T(" I really like you "), _T(" Choose again ："), MB_YESNO);
			if (mRet == IDYES)
			{
    
				MessageBox(NULL, _T(" I knew you loved me "), _T(" "), MB_OK);
				break;
			}
		}
	}
	return 0;
}