// myword.cpp : Defines the entry point for the application.
//

#include "stdafx.h"

int APIENTRY WinMain(HINSTANCE hInstance,
                     HINSTANCE hPrevInstance,
                     LPSTR     lpCmdLine,
                     int       nCmdShow)
{
     // TODO: Place code here.

    return 0;
}

#include "stdafx.h"
LRESULTCALLBACK WnProc(HWND,UINT,WPARAML,LPARAM);
char szProcName[]="MYSDKHelloWordsmpl";
WBDCLASS wcMyApp;
wcMyApp.lpszClassName=szProcName;
wcMyApp.hInstance=hInst;
wcMyApp.lpfnWndProc=WndProc;
wcMyApp.hCursor=LoadCursor(NULL,IDC_ARROW);
wcMyApp.hIcon=0;
wcMyApp.lpszMenuName=NULL;
wcMyApp.hbrBackground=(HBRUSH)(COLOR_WINDOW+1);
wcMyApp.style=CS_HREDRAW|CS_VREDRAW;
wcMyApp.cbClsExtra=0;
wcMyApp.cbWndExtra=0;
if(!=RegisterClass(&wcMyApp))
return 0;

LRESULTCALLBACK WnProc(HWND,UINT,WPARAML,LPARAM);
应该写成为：
LRESULT CALLBACK WnProc(HWND,UINT,WPARAM,LPARAM);

wcMyApp.hbrBackground=(HBRUSH)(COLOR_WINDOW+1);
应该写成为：
wcMyApp.hbrBackground=(HBRUSH)GetStockObject(COLOR_WINDOW+1);

COLOR_WINDOW+1不需要GetStockObject