c++编译。。。

发布网友 发布时间：2022-04-24 01:06

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共3个回答

热心网友 时间：2023-08-19 09:57

#include <windows.h>

#pragma comment(lib, "Winmm.lib") //漏掉库文件
LRESULT CALLBACK WndProc(HWND,UINT,WPARAM,LPARAM);
int WINAPI WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance,LPSTR szCmdLine,int iCmdShow)
{

char szAppName[]="HelloWin";
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,"This program requires Windows NT!",szAppName,MB_ICONERROR);
return 0;
}
hwnd = CreateWindow(szAppName,
"The Hello Program",
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)//WndProc w小写了。
{
HDC hdc;
PAINTSTRUCT ps;
RECT rect;

switch(message)
{
case WM_CREATE:
PlaySound("hellowin.wav",NULL,SND_FILENAME | SND_ASYNC);
return 0;

case WM_PAINT:
hdc = BeginPaint(hwnd,&ps);
GetClientRect(hwnd,&rect);
DrawText(hdc,TEXT("Hello,Windows98!"),-1,&rect,
DT_SINGLELINE | DT_CENTER | DT_VCENTER);
EndPaint(hwnd,&ps);
return 0;

case WM_DESTROY:
PostQuitMessage(0);
return 0;
}
return DefWindowProc(hwnd,message,wParam,lParam);
}

热心网友 时间：2023-08-19 09:57

#include <iostream>
#include <string>
using namespace std;
void swap(char &s1, char &s2)
{
char &t = s1;
s1=s2;
s2=t;
}

void main(void)
{
char *s1="BD", *s2="BC", *s3="AB";
if(strcmp(s1,s2)>0)
swap(s1,s2);
if(strcmp(s2,s3)>0)
swap(s2,s3);
if(strcmp(s1,s2)>0)
swap(s1,s2);
cout<<s1<<endl<<s2<<endl<<s3<<endl;
}

热心网友 时间：2023-08-19 09:58

void swap(char *s1, char *s2)
{ char t;
t=*s1; *s1=*s2; *s2=t;
}

这个函数本身就是问题吧！