萌新一位 在网上找了个写页面的模板随便改了改
：

#include <windows.h>
#include<bits/stdc++.h>
#define FRIST 114514
using namespace std;
struct button {
	int swStyle;
	const char *szText;
}
Buttons[] = {
	BS_PUSHBUTTON,TEXT("开始游戏"),
	BS_PUSHBUTTON,TEXT("游戏规则")
}; 
/* This is where all the input to the window goes to */
LRESULT  WndProc(HWND hwnd, UINT Message, WPARAM wParam, LPARAM lParam)
{
	int num = 2;
	switch(Message) {
		//在 WM_CREATE 事件中创建所有按钮类型 
		case WM_CREATE: {
			for (int i = 0; i < 2; i++) {
				if(i==0)
				{
					CreateWindow( TEXT("button"),
				"请先看游戏规则",
				WS_CHILD | WS_VISIBLE | WS_TABSTOP | Buttons[i].swStyle,
				350,300,
				160, 40,
				hwnd,
				(HMENU)i,
				((LPCREATESTRUCT) lParam)->hInstance,NULL);
				}
				if(i==1)
				{
					CreateWindow( TEXT("button"),
				Buttons[i].szText,
				WS_CHILD | WS_VISIBLE | WS_TABSTOP | Buttons[i].swStyle,
				100,300,
				160, 40,
				hwnd,
				(HMENU)i,
				((LPCREATESTRUCT) lParam)->hInstance,
				NULL);
				}
			}
			break;
		}
		
		//在 WM_COMMAND 事件中会响应button类的鼠标单击，但其中GROUPBOX不响应操作
		case WM_COMMAND: {
			switch(LOWORD(wParam))  
	        {  
	        case FRIST:  
	            MessageBox(hwnd, L"请先看游戏规则," L"提示", MB_OK | MB_ICONINFORMATION);
	            break;  
	        case 1:  
	            MessageBox(hwnd, L"您点击了第二个按钮。", L"提示", MB_OK | MB_ICONINFORMATION);  
	            break;  
	        default:  
	            break;  
		}
				
		/* Upon destruction, tell the main thread to stop */
		case WM_DESTROY: {
			PostQuitMessage(0);
			break;
		}
		
		/* All other messages (a lot of them) are processed using default procedures */
		default:
			return DefWindowProc(hwnd, Message, wParam, lParam);
	}
	return 0;
}
 
/* The 'main' function of Win32 GUI programs: this is where execution starts */
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
{
	WNDCLASSEX wc; /* A properties struct of our window */
	HWND hwnd; /* A 'HANDLE', hence the H, or a pointer to our window */
	MSG msg; /* A temporary location for all messages */
 
	/* zero out the struct and set the stuff we want to modify */
	memset(&wc,0,sizeof(wc));
	wc.cbSize		 = sizeof(WNDCLASSEX);
	wc.lpfnWndProc	 = WndProc; /* This is where we will send messages to */
	wc.hInstance	 = hInstance;
	wc.hCursor		 = LoadCursor(NULL, IDC_ARROW);
	
	/* White, COLOR_WINDOW is just a #define for a system color, try Ctrl+Clicking it */
	wc.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
	wc.lpszClassName = "WindowClass";
	wc.hIcon		 = LoadIcon(NULL, IDI_APPLICATION); /* Load a standard icon */
	wc.hIconSm		 = LoadIcon(NULL, IDI_APPLICATION); /* use the name "A" to use the project icon */
 
	if(!RegisterClassEx(&wc)) {
		MessageBox(NULL, "Window Registration Failed!","Error!",MB_ICONEXCLAMATION|MB_OK);
		return 0;
	}
 
	hwnd = CreateWindowEx(WS_EX_CLIENTEDGE,"WindowClass","Button Style",WS_VISIBLE|WS_OVERLAPPEDWINDOW,
		CW_USEDEFAULT, /* x */
		CW_USEDEFAULT, /* y */
		640, /* width */
		480, /* height */
		NULL,NULL,hInstance,NULL);
 
	if(hwnd == NULL) {
		MessageBox(NULL, "Window Creation Failed!","Error!",MB_ICONEXCLAMATION|MB_OK);
		return 0;
	}
 
	/*
		This is the heart of our program where all input is processed and 
		sent to WndProc. Note that GetMessage blocks code flow until it receives something, so
		this loop will not produce unreasonably high CPU usage
	*/
	while(GetMessage(&msg, NULL, 0, 0) > 0) { /* If no error is received... */
		TranslateMessage(&msg); /* Translate key codes to chars if present */
		DispatchMessage(&msg); /* Send it to WndProc */
	}
	return msg.wParam;
}

但是报错

[Error] cannot convert 'const wchar_t*' to 'LPCSTR {aka const char*}' for argument '3' to 'int MessageBoxA(HWND, LPCSTR, LPCSTR, UINT)'

请问怎么处理