是这样的，Compile（ctrl+F7 )只是编译代码，build(F7)会完成链接工作，我上面已经说了，错误是在链接的时候，而且是编译器没有发现main函数的问题，要么你自己检查，要么如果代码不多的话你把代码贴出来
世界上总共有 10 种人，一种懂得什么是二进制 ，一种不懂。
#include <windows.h>
#include <stdio.h>
LRESULT CALLBACK WndProc(
HWND hwnd, // handle to window
UINT uMsg, // message identifier
WPARAM wParam, // first message parameter
LPARAM lParam // second message parameter
);
int WINAPI WinMain(
HINSTANCE hInstance, // handle to current instance
HINSTANCE hPrevInstance, // handle to previous instance
LPSTR lpCmdLine, // pointer to command line
int nCmdShow // show state of window
)
{
WNDCLASS wndcls;
wndcls.cbClsExtra=0;
wndcls.cbWndExtra=0;
wndcls.hbrBackground=(HBRUSH)GetStockObject(GRAY_BRUSH);
wndcls.hCursor=LoadCursor(hInstance,IDC_WAIT);
wndcls.hIcon=LoadIcon(hInstance,IDI_QUESTION);
wndcls.hInstance=hInstance;
wndcls.lpfnWndProc=WndProc;
wndcls.lpszClassName="suyu'winmain";
wndcls.lpszMenuName=NULL;
wndcls.style=CS_HREDRAW|CS_VREDRAW;
RegisterClass(&wndcls);
HWND hwnd;
hwnd=CreateWindow("suyu'winmain","一个简单的winmain程序事例",WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT,CW_USEDEFAULT,CW_USEDEFAULT,CW_USEDEFAULT,
NULL,NULL,hInstance,NULL);
ShowWindow(hwnd,SW_SHOWNORMAL);
UpdateWindow(hwnd);
MSG msg;
while(GetMessage(&msg,NULL,0,0))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
return 0;
}
LRESULT CALLBACK WndProc(HWND hwnd, // handle to window
UINT uMsg, // message identifier
WPARAM wParam, // first message parameter
LPARAM lParam // second message parameter
)
{
switch(uMsg)
{
case WM_CHAR:
char szchar[20];
sprintf(szchar,"按下了字母是%d",wParam);
MessageBox(hwnd,szchar,"suyu'winmain",0);
break;
case WM_LBUTTONDOWN:
MessageBox(hwnd,"鼠标左键被按下","suyu'winmain",MB_OK);
HDC hdc;
hdc=GetDC(hwnd);
TextOut(hdc,50,50,"一个简单的winmain程序事例",strlen("一个简单的winmain程序事例"));
ReleaseDC(hwnd,hdc);
break;
case WM_PAINT:
HDC hDC;
PAINTSTRUCT ps;
hDC=BeginPaint(hwnd,&ps);
TextOut(hDC,10,0,"winmain程序",strlen("winmain程序"));
EndPaint(hwnd,&ps);
break;
case WM_CLOSE:
if(IDYES==MessageBox(hwnd,"是否真的结束？","suyu'winmain",MB_YESNO))
{
DestroyWindow(hwnd);
}
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
default:
return DefWindowProc(hwnd,uMsg,wParam,lParam);
}
return 0;
}
