Code:
#include <windows.h>
/* Declare Windows procedure */
LRESULT CALLBACK WindowProcedure (HWND, UINT, WPARAM, LPARAM);
/* Make the class name into a global variable */
char szClassName[] = "WindowsApp";
PAINTSTRUCT ps_ThisWnd; // this windows paint struct
const char *successTrue = "File modified successfully.";
const char *successFalse = "File not modified successfully.";
bool success = false;
//This is the main focus of the program, really
SYSTEMTIME sysTime;
sysTime.wYear = 1601;
sysTime.wMonth = 1;
sysTime.wDayOfWeek = 0;
sysTime.wDay = 0;
sysTime.wHour = 0;
sysTime.wMinute = 0;
sysTime.wSecond = 0;
sysTime.wMilliseconds = 0;
FILETIME filTime;
if(SystemToFileTime(&filTime,&sysTime))
success = true;
int WINAPI WinMain (HINSTANCE hThisInstance,
HINSTANCE hPrevInstance,
LPSTR lpszArgument,
int nFunsterStil)
{
HWND hwnd; /* This is the handle for our window */
MSG messages; /* Here messages to the application are saved */
WNDCLASSEX wincl; /* Data structure for the windowclass */
/* The Window structure */
wincl.hInstance = hThisInstance;
wincl.lpszClassName = szClassName;
wincl.lpfnWndProc = WindowProcedure; /* This function is called by windows */
wincl.style = CS_DBLCLKS; /* Catch double-clicks */
wincl.cbSize = sizeof (WNDCLASSEX);
/* Use default icon and mouse-pointer */
wincl.hIcon = LoadIcon (NULL, IDI_APPLICATION);
wincl.hIconSm = LoadIcon (NULL, IDI_APPLICATION);
wincl.hCursor = LoadCursor (NULL, IDC_ARROW);
wincl.lpszMenuName = NULL; /* No menu */
wincl.cbClsExtra = 0; /* No extra bytes after the window class */
wincl.cbWndExtra = 0; /* structure or the window instance */
/* Use Windows's default color as the background of the window */
wincl.hbrBackground = (HBRUSH) COLOR_BACKGROUND;
/* Register the window class, and if it fails quit the program */
if (!RegisterClassEx (&wincl))
return 0;
/* The class is registered, let's create the program*/
hwnd = CreateWindowEx (
0, /* Extended possibilites for variation */
szClassName, /* Classname */
"Windows App", /* Title Text */
WS_OVERLAPPEDWINDOW, /* default window */
CW_USEDEFAULT, /* Windows decides the position */
CW_USEDEFAULT, /* where the window ends up on the screen */
544, /* The programs width */
375, /* and height in pixels */
HWND_DESKTOP, /* The window is a child-window to desktop */
NULL, /* No menu */
hThisInstance, /* Program Instance handler */
NULL /* No Window Creation data */
);
/* Make the window visible on the screen */
ShowWindow (hwnd, nFunsterStil);
/* Run the message loop. It will run until GetMessage() returns 0 */
while (GetMessage (&messages, NULL, 0, 0))
{
/* Translate virtual-key messages into character messages */
TranslateMessage(&messages);
/* Send message to WindowProcedure */
DispatchMessage(&messages);
}
// Fun stuff with the file, wheeeee
if(success)
{
HANDLE hFile = CreateFile(
TEXT( "myfile.txt" ),
GENERIC_READ,
FILE_SHARE_READ,
NULL,
OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL,
NULL
);
SetSystemTime(hFile,&filTime,&filTime,&filTime);
}
else
MessageBox(NULL ,0 , 0, "Failed Window Creation!", MB_STOP | MB_OK);
//makes the window redraw itself forcefully
InvalidateRect(hwnd,0,NULL);
/* The program return-value is 0 - The value that PostQuitMessage() gave */
return messages.wParam;
}
/* This function is called by the Windows function DispatchMessage() */
LRESULT CALLBACK WindowProcedure (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
switch (message) /* handle the messages */
{
case WM_DESTROY:
PostQuitMessage (0); /* send a WM_QUIT to the message queue */
break;
case WM_PAINT:
{
ps_ThisWnd.hdc = GetDC(hwnd);
if(success)
TextOut(ps_ThisWnd.hdc,0,0,NULL,successTrue,(int)strlen(successTrue));
else
TextOut(ps_ThisWnd.hdc,0,0,NULL,successFalse,(int)strlen(successFalse));
break;
}
default: /* for messages that we don't deal with */
return DefWindowProc (hwnd, message, wParam, lParam);
}
return 0;
}
I am..completely confused, talked to 2 other programmers, they said the exact same thing.