C / C++ / MFC Discussion Boards

celllllllll16-Aug-05 11:33

16-Aug-05 11:33

HI

I am getting error in executing a program ..It says that a dll file is not found.
How do I fix that?

Thanks

Preeti9

Re: error in executing

David Crow16-Aug-05 11:35

David Crow

16-Aug-05 11:35

Preeti9 wrote:
How do I fix that?

Supply the missing DLL, perhaps, or at least ensure that the DLL is located in one of the paths pointed to by the PATH environment variable. Without any more detailed information than what you've provided, I can't offer much more.

"One must learn from the bite of the fire to leave it alone." - Native American Proverb

Re: error in executing

celllllllll16-Aug-05 11:41

celllllllll

16-Aug-05 11:41

Thanks for reply

I don't understand how to ask...But let's see....

I don't know how to add that DLL file. I don't know why it is looking for that DLL file.

What do you mean when it says that
"Installing the file can fix the problem" ?

Thanks

Preeti9

Re: error in executing

David Crow16-Aug-05 11:45

David Crow

16-Aug-05 11:45

Preeti9 wrote:
I don't know why it is looking for that DLL file.

Use Dependency Walker or Dumpbin to find out what DLLs are required by the application. Those DLLs, and possibly others, must exist on the target machine.

Preeti9 wrote:
What do you mean when it says that
"Installing the file can fix the problem" ?

Isn't that self-explanatory? If the file existed and could be located by the OS, the problem would not exist.

"One must learn from the bite of the fire to leave it alone." - Native American Proverb

Re: error in executing

celllllllll16-Aug-05 12:08

celllllllll

16-Aug-05 12:08

I know that's self explanatory but I didn't know where from install the DLL file.

Thanks

Preeti9

Re: error in executing

David Crow16-Aug-05 12:17

David Crow

16-Aug-05 12:17

Preeti9 wrote:
...but I didn't know where from install the DLL file.

And you assumed someone here would, given that you did not provide the name of the application or the missing DLL?

"One must learn from the bite of the fire to leave it alone." - Native American Proverb

Re: error in executing

celllllllll16-Aug-05 12:35

celllllllll

16-Aug-05 12:35

The missing DLL is MSNHook.DLL

Tell me where to find this?

Thanks

Preeti9

Re: error in executing

ThatsAlok16-Aug-05 19:41

ThatsAlok

16-Aug-05 19:41

Preeti9 wrote:
The missing DLL is MSNHook.DLL

I believe, First you have to build the dll project come with you sample application.

"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

Re: error in executing

celllllllll17-Aug-05 6:53

celllllllll

17-Aug-05 6:53

Yes,

Thanks a lot...I am trying it that way now...

Preeti9

Bitmaps on 16-bit color systems

Karim Shehadeh16-Aug-05 8:53

Karim Shehadeh

16-Aug-05 8:53

I'm having trouble when I export an image as a bitmap on a 16-bit color system (seems to work well under 24 or 32 bit color). The strange thing is that when I bitblt the image to the screen, it looks right but when I save it to a file, the colors are completely off (I mean completely) though the image is not distorted in any other way. I'm pretty sure this has to do with my lack of understanding of bitmaps and 16 vs 32 bit color.

How is each pixel represented. I'm guessing it must be an index, not an actual color value since there are only 2 bytes available. Here's how I build the bitmap header structure:

<br />
BITMAP bm;		<br />
bitmap->GetBitmap(&bm);<br />
bm.bmBits = new RGBQUAD[640*480];<br />
bitmap->GetBitmapBits (sizeof(RGBQUAD)*(640*480), bm.bmBits);<br />
<br />
// Prepare bitmap info<br />
BITMAPINFO BitInfo;<br />
ZeroMemory(&BitInfo, sizeof(BITMAPINFO));<br />
BitInfo.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);    <br />
BitInfo.bmiHeader.biBitCount = bm.bmBitsPixel;<br />
BitInfo.bmiHeader.biHeight = -bm.bmHeight;<br />
BitInfo.bmiHeader.biWidth = bm.bmWidth;<br />
BitInfo.bmiHeader.biPlanes = bm.bmPlanes;<br />
BitInfo.bmiHeader.biSizeImage = 0;<br />
BitInfo.bmiHeader.biCompression = BI_RGB;<br />
<br />
// Prepare the file header<br />
BITMAPFILEHEADER    BmHdr;  <br />
BmHdr.bfType        = 0x4d42;   // 'BM' WINDOWS_BITMAP_SIGNATURE<br />
BmHdr.bfSize        = (((3 * bm.bmWidth + 3) & ~3) * bm.bmHeight) + sizeof(BITMAPFILEHEADER) + sizeof(BITMAPINFOHEADER);<br />
<br />
BmHdr.bfReserved1    = BmHdr.bfReserved2 = 0;<br />
BmHdr.bfOffBits      = (DWORD) sizeof(BITMAPFILEHEADER) + sizeof(BITMAPINFOHEADER);  <br />
BitInfo.bmiHeader.biCompression = 0;<br />

Does anyone have any ideas?

Karim Shehade
http://www.iwonderdesigns.com

Re: Bitmaps on 16-bit color systems

C^hris L^osinger16-Aug-05 10:47

C^hris L^osinger

16-Aug-05 10:47

Karim Shehadeh wrote:
How is each pixel represented

2 bytes per pixel: _rrrrrgggggbbbbb (5-5-5) or rrrrrggggggbbbbb (5-6-5)

no palette.

how are you viewing the BMPs ?

Cleek | Image Toolkits | Thumbnail maker

Re: Bitmaps on 16-bit color systems

Karim Shehadeh16-Aug-05 10:54

Karim Shehadeh

16-Aug-05 10:54

Chris Losinger wrote:
how are you viewing the BMPs ?

I'm viewing the bitmaps via a photoshop and the built in preview app in WinXP.

Karim Shehade
http://www.iwonderdesigns.com

Re: Bitmaps on 16-bit color systems

C^hris L^osinger16-Aug-05 12:18

C^hris L^osinger

16-Aug-05 12:18

the only thing that looks even a little off is the bmSize calculation, because that looks like it assumes 32 bit pixels. but that shouldn't affect the colors - most programs don't care about that value.

what does your BITMAPINFOHEADER struct look like after you've filled it in ?

-c

Cleek | Image Toolkits | Thumbnail maker

Re: Bitmaps on 16-bit color systems

Karim Shehadeh17-Aug-05 2:45

Karim Shehadeh

17-Aug-05 2:45

Thanks again for all your help with this. Here's the bitmapinfoheader structure just before it's written along with everything else, to disk:

- BitInfo.bmiHeader {...}
biSize 40
biWidth 320
biHeight -260
biPlanes 1
biBitCount 16
biCompression 0
biSizeImage 0
biXPelsPerMeter 0
biYPelsPerMeter 0
biClrUsed 0
biClrImportant 0

Regards,

Karim Shehade
http://www.iwonderdesigns.com

Re: Bitmaps on 16-bit color systems

C^hris L^osinger17-Aug-05 3:14

C^hris L^osinger

17-Aug-05 3:14

i can't see anything wrong with the code, or that structure.

have you tried using GetDIBits instead of GetBitmapBits ?

-c

Cleek | Image Toolkits | Thumbnail maker

Re: Bitmaps on 16-bit color systems

Karim Shehadeh17-Aug-05 3:15

Karim Shehadeh

17-Aug-05 3:15

No, I haven't though I did see it while I was perusing the docs. I'll give it a shot. Thanks again for your help.

Karim

Karim Shehade
http://www.iwonderdesigns.com

API function

Anonymous16-Aug-05 7:31

Anonymous

16-Aug-05 7:31

Hi all,
I wanna create a program that startup each time the pc started..which api i can used? Roll eyes | :rolleyes:

Re: API function

David Crow16-Aug-05 7:38

David Crow

16-Aug-05 7:38

See MSDN articles Q179365 and Q137367.

"One must learn from the bite of the fire to leave it alone." - Native American Proverb

Re: API function

Tim Zorn16-Aug-05 9:26

Tim Zorn

16-Aug-05 9:26

to have programs start when the computer starts up u need to edit the registry

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run

or

HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run

Re: API function

Ravi Bhavnani16-Aug-05 9:39

Ravi Bhavnani

16-Aug-05 9:39

I thought these entries required the user to first login. I think one would have to go the service route (on supported Win OSs) in order to have an application start on boot up.

/ravi

My new year's resolution: 2048 x 1536
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Re: API function

David Crow16-Aug-05 10:02

David Crow

16-Aug-05 10:02

Ravi Bhavnani wrote:
I thought these entries required the user to first login.

HKEY_CURRENT_USER would but HKEY_LOCAL_MACHINE exists even when no one is logged in.

Ravi Bhavnani wrote:
I think one would have to go the service route (on supported Win OSs) in order to have an application start on boot up.

Not necessarily.

"One must learn from the bite of the fire to leave it alone." - Native American Proverb

Re: API function

Ravi Bhavnani16-Aug-05 10:20

Ravi Bhavnani

16-Aug-05 10:20

DavidCrow wrote:
HKEY_LOCAL_MACHINE exists even when no one is logged in.
True.

But if I'm not mistaken, a "Run" entry in the HKEY_LOCAL_MACHINE subtree causes the application to start after any user logs in, as opposed to a corresponding entry for a specific user in the HKEY_USERS subtree which causes the app to only start when that user logs in. Regardless, the user has to first login.

<aside>
I believe this mechanism is used by installers that ask "Do you want to install this program for all users or just yourself?".
</aside>

/ravi

My new year's resolution: 2048 x 1536
Home | Music | Articles | Freeware | Trips
ravib(at)ravib(dot)com

Re: API function

David Crow16-Aug-05 10:31

David Crow

16-Aug-05 10:31

Ravi Bhavnani wrote:
But if I'm not mistaken, a "Run" entry in the HKEY_LOCAL_MACHINE subtree causes the application to start after any user logs in...Regardless, the user has to first login.

Not so. I just verified this and without logging in to the machine, the applications in HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run are indeed started.

[edit]
The jury is still out on this one. I'll keep looking...
[/edit]

"One must learn from the bite of the fire to leave it alone." - Native American Proverb

Re: API function

Ravi Bhavnani16-Aug-05 10:57

Ravi Bhavnani

16-Aug-05 10:57

DavidCrow wrote:
without logging in to the machine, the applications in HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run are indeed started.

That's amazing. It seems to work exactly as I described on my Win XP Home SP1 box. I confirmed this by adding a HKEY_LOCAL_MACHINE\... entry to this test app:

#include "stdafx.h"
#include "time.h"
 
int main(int argc, char* argv[])
{
  time_t  tmNow;
  time (&tmNow);
  char szFilespec [255];
  sprintf (szFilespec, "C:\\%d.txt", tmNow);
 
  FILE* fp = fopen (szFilespec, "w");
  fclose (fp);
  return 0;
}

and rebooting and logging in a few seconds later. As I expected, there was only one file (C:\1124224887.txt) created. This matches Microsoft's documentation[^] of these keys.

/ravi

My new year's resolution: 2048 x 1536
Home | Music | Articles | Freeware | Trips
ravib(at)ravib(dot)com

Re: API function

David Crow16-Aug-05 11:11

David Crow

16-Aug-05 11:11

Ravi Bhavnani wrote:
...and rebooting and logging in a few seconds later.

But the question is does your test application run if you don't log in?

"One must learn from the bite of the fire to leave it alone." - Native American Proverb

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