Helpppppp - C / C++ / MFC Discussion Boards

ok
shish you suggest this to Chris ! lol

[VisualCalc][Binary Guide][CommDialogs] | [Forums Guidelines]

Or simply mark the post from Chris Maunder as urgent??? Wink | ;)

led mike wrote:
I mean add item 12. to say: You should post your question multiple times and on multiple forums to improve your odds of getting an answer.

Yeah...that's good for the first version upgrade.

But I'm thinking ahead to the future...nobody's going to read the item 12. I think we'll soon
find that most people will post to just one board.
To fix this, I propose the item is emblazened across the top of the page in big red flashing block letters (flames optional).

Smile | :)

"Posting a VB.NET question in the C++ forum will end in tears." Chris Maunder

Mark Salsbery wrote:
nobody's going to read the item 12.

Bah, this should be easily fixed. Simply say that it's strictly forbidden to read item 12 at the top. Everybody would jump right to item 12 skipping the items before it. Poke tongue | ;-P

"It's supposed to be hard, otherwise anybody could do it!" - selfquote
"High speed never compensates for wrong direction!" - unknown

Excellent idea Laugh | :laugh:

I hope led mike is writing this stuff down!

"Posting a VB.NET question in the C++ forum will end in tears." Chris Maunder

Mark Salsbery wrote:
But I'm thinking ahead to the future...nobody's going to read the item 12.

In that case, we need to add some "Flash" content to that post. Or may be we try "Silverlight". The 12th point will be flashing in red, brown, magenta, and dark green colors, alternatively.

Shog on learning VB6: Ah, that would have been VB6. Kicked my ass anyway.
So easy to learn, just like falling down a flight of stairs...

The animated ads are distracting enough!

Come to think of it, I ignore the ads so maybe I'd ignore the blazing flashing posting rules.
Maybe this scheme isn't going to work at all... Laugh | :laugh:

Mark

p.s. I wonder what happened to the OP...

"Posting a VB.NET question in the C++ forum will end in tears." Chris Maunder

// Hassancap.cpp : Defines the entry point for the application.
//

#include "stdafx.h"
#include "Hassancap.h"

#define MAX_LOADSTRING 100

// Global Variables:
HINSTANCE hInst; // current instance
TCHAR szTitle[MAX_LOADSTRING]; // The title bar text
TCHAR szWindowClass[MAX_LOADSTRING]; // the main window class name

// Forward declarations of functions included in this code module:
ATOM MyRegisterClass(HINSTANCE hInstance);
BOOL InitInstance(HINSTANCE, int);
LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
INT_PTR CALLBACK About(HWND, UINT, WPARAM, LPARAM);

int APIENTRY _tWinMain(HINSTANCE hInstance,
HINSTANCE hPrevInstance,
LPTSTR lpCmdLine,
int nCmdShow)
{
UNREFERENCED_PARAMETER(hPrevInstance);
UNREFERENCED_PARAMETER(lpCmdLine);

// TODO: Place code here.
MSG msg;
HACCEL hAccelTable;

// Initialize global strings
LoadString(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING);
LoadString(hInstance, IDC_HASSANCAP, szWindowClass, MAX_LOADSTRING);
MyRegisterClass(hInstance);

// Perform application initialization:
if (!InitInstance (hInstance, nCmdShow))
{
return FALSE;
}

hAccelTable = LoadAccelerators(hInstance, MAKEINTRESOURCE(IDC_HASSANCAP));

// Main message loop:
while (GetMessage(&msg, NULL, 0, 0))
{
if (!TranslateAccelerator(msg.hwnd, hAccelTable, &msg))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}

return (int) msg.wParam;
}

//
// FUNCTION: MyRegisterClass()
//
// PURPOSE: Registers the window class.
//
// COMMENTS:
//
// This function and its usage are only necessary if you want this code
// to be compatible with Win32 systems prior to the 'RegisterClassEx'
// function that was added to Windows 95. It is important to call this function
// so that the application will get 'well formed' small icons associated
// with it.
//
ATOM MyRegisterClass(HINSTANCE hInstance)
{
WNDCLASSEX wcex;

wcex.cbSize = sizeof(WNDCLASSEX);

wcex.style = CS_HREDRAW | CS_VREDRAW;
wcex.lpfnWndProc = WndProc;
wcex.cbClsExtra = 0;
wcex.cbWndExtra = 0;
wcex.hInstance = hInstance;
wcex.hIcon = LoadIcon(hInstance, MAKEINTRESOURCE(IDI_HASSANCAP));
wcex.hCursor = LoadCursor(NULL, IDC_ARROW);
wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
wcex.lpszMenuName = MAKEINTRESOURCE(IDC_HASSANCAP);
wcex.lpszClassName = szWindowClass;
wcex.hIconSm = LoadIcon(wcex.hInstance, MAKEINTRESOURCE(IDI_SMALL));

return RegisterClassEx(&wcex);
}

//
//
BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
{
HWND hWnd;

hInst = hInstance; // Store instance handle in our global variable

hWnd = CreateWindow(szWindowClass, szTitle, WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, NULL, NULL, hInstance, NULL);
// hWnd = CreateWindow(szWindowClass, szTitle, WS_POPUPWINDOW|WS_CAPTION|WS_VISIBLE,
//480, 400, 320, 240, NULL, NULL, hInstance, NULL);

if (!hWnd)
{
return FALSE;
}

ShowWindow(hWnd, nCmdShow);
UpdateWindow(hWnd);

return TRUE;
}

//
// FUNCTION: WndProc(HWND, UINT, WPARAM, LPARAM)
//
// PURPOSE: Processes messages for the main window.
//
// WM_COMMAND - process the application menu
// WM_PAINT - Paint the main window
// WM_DESTROY - post a quit message and return
//
//
LRESULT CALLBACK WndProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
HDC hdc ;
PAINTSTRUCT ps ;
RECT rect ;
HDC hdcWindow;

static int nScreenWidth, nScreenHeight;

switch (message)
{
case WM_CREATE:
nScreenWidth = GetSystemMetrics(SM_CXSCREEN);
nScreenHeight = GetSystemMetrics(SM_CYSCREEN);
SetTimer( hwnd,0,2000,NULL);

return 0 ;

case WM_LBUTTONDOWN:
{
HWND tBarHandle= NULL;
return 0;
}
case WM_PAINT:
{
hdc = BeginPaint (hwnd, &ps) ;
hdcWindow = GetWindowDC( hwnd);

HWND hDesktopWnd = GetDesktopWindow();
HDC Source = GetDC(hDesktopWnd);
HDC Destination = CreateCompatibleDC(Source);
HBITMAP hCaptureBitmap =CreateCompatibleBitmap(Source, nScreenWidth, nScreenHeight);
SelectObject(Destination,hCaptureBitmap);
BitBlt(Destination,0,0,nScreenWidth,nScreenHeight, Source, 0, 0, SRCCOPY);
BitBlt(hdc,0,0 , nScreenWidth, nScreenHeight, Source, 0,0, SRCCOPY);

ReleaseDC(hDesktopWnd,Destination);
DeleteDC(Source);
DeleteObject(hCaptureBitmap);

EndPaint (hwnd, &ps) ;
}
return 0 ;
case WM_TIMER:
GetClientRect(hwnd,&rect);
InvalidateRect( hwnd, &rect, true);
return 0;
case WM_DESTROY:
PostQuitMessage (0) ;
return 0 ;
}
return DefWindowProc (hwnd, message, wParam, lParam) ;
}

How to convert DDB format to DIB format using GETDIBits() function ...

and you think that by posting a huge piece of code (not even formatted correctly), with a title that is far from being representative of you problem, by spamming the board (yeah, asking a question more than once is quite always bad seen) and with a question summed up in on of the smallest lines that can be people will help you ? seriously Sleepy | :zzz:

you'd better start reading this[^] and this[^] first...

[VisualCalc][Binary Guide][CommDialogs] | [Forums Guidelines]

sorry 4 dat...

HassanKU wrote:
sorry 4 dat...

oh my god

and please please, speak english !!!

[VisualCalc][Binary Guide][CommDialogs] | [Forums Guidelines]

And one thing that you forgot to tell when post a code use of Pre tags.;)

WhiteSky

i didn't forget, i said "posting a huge piece of code (not even formatted correctly)" and linked to the posting guidelines... which implied it Poke tongue | ;-P

[VisualCalc][Binary Guide][CommDialogs] | [Forums Guidelines]

Yeah I see your answer "and you think that by posting a huge piece of code (not even formatted correctly)," Big Grin | :-D

WhiteSky

toxcct wrote:
seriously

Same here, Sleepy | :zzz:

toxcct wrote:
with a question summed up in on of the smallest lines that can be people will help you ? seriously

he he he

"Opinions are neither right nor wrong. I cannot change your opinion. I can, however, change what influences your opinion." - David Crow

cheers,
Alok Gupta
VC Forum Q&A :- I/ IV
Support CRY- Child Relief and You

google

"Opinions are neither right nor wrong. I cannot change your opinion. I can, however, change what influences your opinion." - David Crow

cheers,
Alok Gupta
VC Forum Q&A :- I/ IV
Support CRY- Child Relief and You

Hi,

I need to write a large amount of data continuosly to the harddrive at a max rate of 5 ms. Is this possible just to take data from memory and constantly write it to hard drive without making it lose any data. Or do I have to do something fancy to ensure this? This data will be continuously coming in for like a few hours.

Thanks in advance.

There is nothing to fear about.

nothing on the code side... but if its a fast hard drive 10k or an old hard drive

heat might be a problem if the disk is fragmented or poorly ventilated.
overheating kills hard drives very quickly. (my 7.5krpm drive heats up quick not sure if I’d want to be writing data to it for hours without a break).

This is something I've not coded myself but if your application is important you might want to checkout a way to detect the temperature of the hard drive. Not sure, but you could use SMART to get the temperature
Wikipedia entry

Just a thought Smile | :)

godspeed123 wrote:
Is this possible just to take data from memory and constantly write it to hard drive without making it lose any data. Or do I have to do something fancy to ensure this? This data will be continuously coming in for like a few hours.

thats not a problem.. I believe you have heard about virtual memory, it just space reserved in harddisk for memory read/write operation. so you just have to reserve some space for you and continue writing without any fear.. one more question are you able to achieve 5ms accuracy..

"Opinions are neither right nor wrong. I cannot change your opinion. I can, however, change what influences your opinion." - David Crow

cheers,
Alok Gupta
VC Forum Q&A :- I/ IV
Support CRY- Child Relief and You

How does one reserve virtual memory in C++. The data is consistently coming in at 5 ms. I cant acieve no where near that when trying to copy it to harddrive.

godspeed123 wrote:
How does one reserve virtual memory in C++

i am just quoting a exmaple of windows operating system..

godspeed123 wrote:
The data is consistently coming in at 5 ms. I cant acieve no where near that when trying to copy it to harddrive.

for that you can make circular queue and write that data into circular queue when coming from port in 5 ms and write from other end..! this way you can able to save your data

"Opinions are neither right nor wrong. I cannot change your opinion. I can, however, change what influences your opinion." - David Crow

cheers,
Alok Gupta
VC Forum Q&A :- I/ IV
Support CRY- Child Relief and You

Hi,

I have tried that. The queue writing to the harddrive is too slow.

I am getting this error as soon as the program executes. It's a dialog-based application. In debug it takes me to the following source code:

_AFXWIN_INLINE void CWnd::SetFont(CFont* pFont, BOOL bRedraw)
{ ASSERT(::IsWindow(m_hWnd)); ::SendMessage(m_hWnd, WM_SETFONT, (WPARAM)pFont->GetSafeHandle(), bRedraw); }

Is this trying to tell me there is a bad handle in the ASSERT section, or a Font problem?

Is there a tutorial that could help?

Many thanks.

John P.