C++窗体应用程序

　　看了一段时间的C++了，于是就想实战一下，看了网上的一些教程，用vs写一个窗体程序，拉起一个窗口，

本人想着从初级的入门开始，到以后可以根据自己的需求，写出一些上位机软件和一些工具方便自己调试单片机

用。

#include <windows.h>
#include <stdio.h>
#include <tchar.h>
#define WIN32_LEAN_AND_MEAN 
#include <stdlib.h>
#include <malloc.h>
#include <memory.h>
#include "targetver.h"
#include "resource.h"
LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);


int APIENTRY wWinMain(_In_ HINSTANCE hInstance,
    _In_opt_ HINSTANCE hPrevInstance,
    _In_ LPWSTR    lpCmdLine,
    _In_ int       nCmdShow) {
    char szClassName[] = "MainWClass";
    WNDCLASSEX wndclass;

    wndclass.cbSize = sizeof(wndclass);
    wndclass.style = CS_HREDRAW | CS_VREDRAW;
    wndclass.lpfnWndProc = WndProc;
    wndclass.cbClsExtra = 0;
    wndclass.cbWndExtra = 0;
    wndclass.hInstance = hInstance;
    wndclass.hIcon = ::LoadIcon(NULL,IDI_APPLICATION);
    wndclass.hCursor = ::LoadCursor(NULL,IDC_ARROW);
    wndclass.hbrBackground = (HBRUSH)::GetStockObject(WHITE_BRUSH);
    wndclass.lpszClassName = szClassName;
    wndclass.lpszMenuName = NULL;
    wndclass.hIconSm = NULL;

    ::RegisterClassEx(&wndclass);

    //创建主窗口
    HWND hWnd = ::CreateWindowEx(0,
        szClassName, //类名
        "GUI",
        WS_OVERLAPPEDWINDOW,
        CW_USEDEFAULT,
        CW_USEDEFAULT,
        CW_USEDEFAULT,
        CW_USEDEFAULT,
        NULL,
        NULL,
        hInstance,
        NULL);

    if (!hWnd) {
        ::MessageBox(NULL,"FAIL","ERROR",MB_OK);
        return FALSE;
    }

    //显示窗口
    ::ShowWindow(hWnd,nCmdShow);
    ::UpdateWindow(hWnd);

    //从消息队列中不断的轮询消息
    MSG msg;
    while (::GetMessage(&msg, NULL, 0, 0)) {
        ::TranslateMessage(&msg);
        ::DispatchMessage(&msg);
    }

    return (int)msg.wParam;

}



LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wparam, LPARAM lparam) {
    switch (message)
    {
    case WM_DESTROY:
        ::PostQuitMessage(0);
        break;
    default:
        break;
    }
    return DefWindowProc(hWnd,message,wparam,lparam);
}