主题:[讨论]求教一个问题
#include<windows.h>
#include<stdio.h>
LRESULT CALLBACK WinSunProc(
HWND hwnd,
UINT uMsg,
WPARAM wParam,
LPARAM lParam
);
int WINAPI wWinMain(
HINSTANCE hInstance,
HINSTANCE hPrevInstance,
LPWSTR lpCmdLine,
int nShowCmd
)
{
WNDCLASS test;
test.cbClsExtra=0;
test.cbWndExtra=0;
test.hbrBackground=(HBRUSH)GetStockObject(BLACK_BRUSH);
test.hCursor=LoadCursor(NULL,IDC_ARROW);
test.hIcon=LoadIcon(NULL,IDI_APPLICATION);
test.hInstance=hInstance;
test.lpfnWndProc=WinSunProc;
test.lpszClassName="myFirst";
test.lpszMenuName=NULL;
test.style=CS_HREDRAW|CS_VREDRAW;
RegisterClass(&test);
HWND hello;
hello=CreateWindow("myFirst","test",WS_OVERLAPPEDWINDOW,0,0,600,400,NULL,NULL,
hInstance,NULL);
ShowWindow(hello,SW_SHOWNORMAL);
UpdateWindow(hello);
MSG msg;
while(GetMessage(&msg,NULL,0,0))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
return 0;
}
LRESULT CALLBACK WinSunProc(
HWND hwnd,
UINT uMsg,
WPARAM wParam,
LPARAM lParam
)
{
switch(uMsg)
{
case WM_CHAR:
char szChar[20];
sprintf(szChar,"char is %d",wParam);
MessageBox(hwnd,szChar,"myFirst",0);
break;
case WM_LBUTTONDOWN:
MessageBox(hwnd,"mouse clicked","myFirst",0);
HDC hdc;
hdc=GetDC(hwnd);
TextOut(hdc,0,50,"计算机编程",strlen("计算机编程"));
ReleaseDC(hwnd,hdc);
break;
case WM_PAINT:
HDC hDC;
PAINTSTRUCT ps;
hDC=BeginPaint(hwnd,&ps);
TextOut(hDC,0,0,"练习",strlen("练习"));
EndPaint(hwnd,&ps);
break;
case WM_CLOSE:
if(IDYES==MessageBox(hwnd,"是否真的结束","myFirst",MB_YESNO))
{
DestroyWindow(hwnd);
}
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
default:
return DefWindowProc(hwnd,uMsg,wParam,lParam);
}
return 0;
}
这是一个Win32程序,在Visual studio 2005中编的 ,但是运行起来总是出错,主要是数据问题,请教各位大侠如何修改啊?
#include<stdio.h>
LRESULT CALLBACK WinSunProc(
HWND hwnd,
UINT uMsg,
WPARAM wParam,
LPARAM lParam
);
int WINAPI wWinMain(
HINSTANCE hInstance,
HINSTANCE hPrevInstance,
LPWSTR lpCmdLine,
int nShowCmd
)
{
WNDCLASS test;
test.cbClsExtra=0;
test.cbWndExtra=0;
test.hbrBackground=(HBRUSH)GetStockObject(BLACK_BRUSH);
test.hCursor=LoadCursor(NULL,IDC_ARROW);
test.hIcon=LoadIcon(NULL,IDI_APPLICATION);
test.hInstance=hInstance;
test.lpfnWndProc=WinSunProc;
test.lpszClassName="myFirst";
test.lpszMenuName=NULL;
test.style=CS_HREDRAW|CS_VREDRAW;
RegisterClass(&test);
HWND hello;
hello=CreateWindow("myFirst","test",WS_OVERLAPPEDWINDOW,0,0,600,400,NULL,NULL,
hInstance,NULL);
ShowWindow(hello,SW_SHOWNORMAL);
UpdateWindow(hello);
MSG msg;
while(GetMessage(&msg,NULL,0,0))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
return 0;
}
LRESULT CALLBACK WinSunProc(
HWND hwnd,
UINT uMsg,
WPARAM wParam,
LPARAM lParam
)
{
switch(uMsg)
{
case WM_CHAR:
char szChar[20];
sprintf(szChar,"char is %d",wParam);
MessageBox(hwnd,szChar,"myFirst",0);
break;
case WM_LBUTTONDOWN:
MessageBox(hwnd,"mouse clicked","myFirst",0);
HDC hdc;
hdc=GetDC(hwnd);
TextOut(hdc,0,50,"计算机编程",strlen("计算机编程"));
ReleaseDC(hwnd,hdc);
break;
case WM_PAINT:
HDC hDC;
PAINTSTRUCT ps;
hDC=BeginPaint(hwnd,&ps);
TextOut(hDC,0,0,"练习",strlen("练习"));
EndPaint(hwnd,&ps);
break;
case WM_CLOSE:
if(IDYES==MessageBox(hwnd,"是否真的结束","myFirst",MB_YESNO))
{
DestroyWindow(hwnd);
}
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
default:
return DefWindowProc(hwnd,uMsg,wParam,lParam);
}
return 0;
}
这是一个Win32程序,在Visual studio 2005中编的 ,但是运行起来总是出错,主要是数据问题,请教各位大侠如何修改啊?