这个程序编译通过了，但是无法显示结果，对照书没找到错哪了，求解
#include<windows.h>
#define NUM 10
TCHAR szApp[]=TEXT("鼠标点击测试");
LRESULT CALLBACK ChildWndProc(HWND,UINT,WPARAM,LPARAM);
LRESULT CALLBACK WndProc(HWND,UINT,WPARAM,LPARAM);
int WINAPI WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstane,PSTR szCmdLine,int iCmdShow)
{
static TCHAR szAppName[]=TEXT("鼠标点击测试");
HWND hwnd;
MSG msg;
WNDCLASS 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.lpszMenuName=NULL;
wndclass.lpszClassName=szAppName;
if(!RegisterClass(&wndclass))
{
MessageBox(NULL,TEXT("This Program Requires Windows NT!"),szAppName,MB_OKCANCEL|MB_ICONERROR|MB_DEFBUTTON1);
return 0;
}
wndclass.lpfnWndProc=ChildWndProc;
wndclass.cbWndExtra=sizeof(long);
wndclass.hIcon=NULL;
wndclass.lpszClassName=szApp;
RegisterClass(&wndclass);
hwnd=CreateWindow(szAppName,TEXT("鼠标点击测试"),WS_OVERLAPPEDWINDOW,CW_USEDEFAULT,CW_USEDEFAULT,CW_USEDEFAULT,CW_USEDEFAULT,NULL,NULL,hInstance,NULL);
ShowWindow(hwnd,iCmdShow);
UpdateWindow(hwnd);
while(GetMessage(&msg,NULL,0,0))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
return msg.wParam;
}
LRESULT CALLBACK WndProc(HWND hwnd,UINT message,WPARAM wParam,LPARAM lParam)
{
int x,y,cxBlock,cyBlock;
static HWND hwndChild[NUM][NUM] ;
switch(message)
{
case WM_CREATE:
for(x=0;x<NUM;x++)
for(y=0;y<NUM;y++)
hwndChild[x][y]=CreateWindow(szApp,NULL,WS_CHILDWINDOW | WS_VISIBLE,0,0,0,0,hwnd,NULL,(HINSTANCE)GetWindowLong(hwnd,GWL_HINSTANCE),NULL);
return TRUE;
case WM_SIZE:
cxBlock=LOWORD(lParam)/NUM;
cyBlock=HIWORD(lParam)/NUM;
for(x=0;x<NUM;x++)
for(y=0;y<NUM;y++)
MoveWindow(hwndChild[x][y],x*cxBlock,y*cyBlock,cxBlock,cyBlock,TRUE);
return TRUE;
case WM_LBUTTONDOWN:
MessageBeep(0);
return TRUE;
case WM_DESTROY:
PostQuitMessage(0);
return TRUE;
}
return DefWindowProc(hwnd,message,wParam,lParam);
}
LRESULT CALLBACK ChildWndProc(HWND hwnd,UINT message,WPARAM wParam,LPARAM lParam)
{
HDC hdc;
static RECT rect;
PAINTSTRUCT ps;
switch(message)
{
case WM_CREATE:
SetWindowLong(hwnd,0,0);
return TRUE;
case WM_LBUTTONDOWN:
SetWindowLong(hwnd,0,1^GetWindowLong(hwnd,0));
InvalidateRect(hwnd,NULL,FALSE);
return TRUE;
case WM_PAINT:
hdc=BeginPaint(hwnd,&ps);
GetClientRect(hwnd,&rect);
Rectangle(hdc,0,0,rect.right,rect.bottom);
if(GetWindowLong(hwnd,0))
{
MoveToEx(hdc,0,0,NULL);
LineTo(hdc,rect.right,rect.bottom);
MoveToEx(hdc,0,rect.bottom,NULL);
LineTo(hdc,rect.right,0);
}
return TRUE;
}
return DefWindowProc(hwnd,message,wParam,lParam);
}

[解决办法]

C/C++ code

CreateWindow(szAppName,TEXT("鼠标点击测试"),WS_OVERLAPPEDWINDOW,CW_USEDEFAULT,CW_USEDEFAULT,CW_USEDEFAULT,CW_USEDEFAULT,NULL,NULL,hInstance,NULL);