孕妇失眠抑郁怎么办:求C++计算器软件的说明书

# include <windows.h>

long WINAPI CALLBACK WndProc(HWND,UINT,WPARAM,LPARAM);

int WINAPI WinMain(HINSTANCE hinst,HINSTANCE phinst,
PSTR cmdline,int cmdshow)
{
//the application's name
static CHAR Appname[] = TEXT("HexCalc");
//---------------------------------------
HWND hwnd;
MSG msg;
// window class create
WNDCLASS wndclass;
wndclass.style = CS_HREDRAW | CS_VREDRAW;
wndclass.lpfnWndProc = WndProc;
wndclass.cbClsExtra = 0;
wndclass.cbWndExtra = DLGWINDOWEXTRA;
wndclass.hInstance = hinst;
wndclass.hIcon = LoadIcon(NULL,IDI_APPLICATION);
wndclass.hCursor = LoadCursor(NULL,IDC_ARROW);
wndclass.hbrBackground = (HBRUSH)(COLOR_BTNFACE + 1);
wndclass.lpszMenuName = NULL;
wndclass.lpszClassName = Appname;
//---------------------------------------
//create and show window
if(!RegisterClass(&wndclass))
{
MessageBox(NULL,TEXT("This program requires Windows NT!"),
Appname,MB_ICONHAND);
return 0;
}
hwnd = CreateDialog(hinst,Appname,0,NULL);
ShowWindow(hwnd,cmdshow);
UpdateWindow(hwnd);
//------------------------------------------------
//send message
while(GetMessage(&msg,NULL,0,0))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
//------------------------------------------------
return msg.wParam;
}

void ShowNumber(HWND hwnd,UINT iNumber)
{
char szBuffer[20];
wsprintf(szBuffer,TEXT("%X"),iNumber);
SetDlgItemText(hwnd,VK_ESCAPE,szBuffer);
}

DWORD Calclt(UINT iFirstNum,int iOperation,UINT iNum)
{
switch(iOperation)
{
case '=':
return iNum;
case '+':
return iFirstNum + iNum;
case '-':
return iFirstNum - iNum;
case '*':
return iFirstNum * iNum;
case '&':
return iFirstNum & iNum;
case '|':
return iFirstNum | iNum;
case '^':
return iFirstNum ^ iNum;
case '<':
return iFirstNum << iNum;
case '>':
return iFirstNum >> iNum;
case '/':
return iNum ? iFirstNum / iNum : MAXDWORD;
case '%':
return iNum ? iFirstNum % iNum : MAXDWORD;
default:
return 0;
}
}

long WINAPI CALLBACK WndProc(HWND hwnd,UINT message,WPARAM wParam,LPARAM lParam)
{
static BOOL bNewNumber = TRUE;
static int iOperation = '=';
static UINT iNumber,iFirstNum;
HWND hButton;
//message list or procces
switch(message)
{
case WM_KEYDOWN:
if(wParam != VK_LEFT)
break;
wParam = VK_BACK;
case WM_CHAR:
if((wParam = (WPARAM)CharUpper((char*)wParam)) == VK_RETURN)
wParam = '=';
if(hButton = GetDlgItem(hwnd,wParam))
{
SendMessage(hButton,BM_SETSTATE,1,0);
Sleep(100);
SendMessage(hButton,BM_SETSTATE,0,0);
}
else
{
MessageBeep(0);
break;
}
case WM_COMMAND:
SetFocus(hwnd);
if(LOWORD(wParam) == VK_BACK)
ShowNumber(hwnd,iNumber /= 16);
else if(LOWORD(wParam) == VK_ESCAPE)
ShowNumber(hwnd,iNumber = 0);
else if(isxdigit(LOWORD(wParam)))
{
if(bNewNumber)
{
iFirstNum = iNumber;
iNumber = 0;
}
bNewNumber = FALSE;
if(iNumber <= MAXDWORD >> 4)
ShowNumber(hwnd,iNumber = 16 * iNumber + wParam -
(isdigit(wParam) ? '0' : 'A' - 10));
else
MessageBeep(0);
}
else
{
if(!bNewNumber)
ShowNumber(hwnd,iNumber = Calclt(iFirstNum,iOperation,iNumber));
bNewNumber = TRUE;
iOperation = LOWORD(wParam);
}
return 0;
case WM_DESTROY:
PostQuitMessage(0);
return 0;
}
//-----------------------------------------
return DefWindowProc(hwnd,message,wParam,lParam);
}