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Read Michael Dunn's articles on shell extensions, one of them shows how to do an icon server.
Christian
The tragedy of cyberspace - that so much can travel so far, and yet mean so little.
"I'm thinking of getting married for companionship and so I have someone to cook and clean." - Martin Marvinski, 6/3/2002
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I've read that. Unless I'm missing something, it does not deal with Thumbnails and from what I can tell, they are not just large icons.
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Please show me a way to load and display usual image files such as jpg, gif, ... using directX technology.
Thanks a lot.
dxky
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GDI+ is your friend - it loads and saves file types and can use directdraw surfaces.
Christian
The tragedy of cyberspace - that so much can travel so far, and yet mean so little.
"I'm thinking of getting married for companionship and so I have someone to cook and clean." - Martin Marvinski, 6/3/2002
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Hi there,
Wendsday (20 March) is new year in Iran ! 
I wanna say "HAPPY NEW YEAR !" to all of guys here !
and God willing, we'll can solve all problems about VC++ programming in new year !!!
I wanna thanks of:
Mr.VGirish - Panov Vitaly and etc.
and my all other friends !
With Warm Regards,
My month article: Game programming by DirectX by Lan Mader.
Please visit in: www.geocities.com/hadi_rezaie/index.html
Hadi Rezaie
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Does anyone know of an implementation of tree/list with reordering like in Internet Explorer's favourites?
Where items can be drag/dropped to their new position with a horizontal bar showing where they will appear during the drag??
--
The Obliterator
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I use GDI+ Graphic::DrawImage to display and print a bitmap;
for display and print preview it works fine. But when printing, the bitmap is stretched or compressed on paper, depending of the printer resolution. To correct this problem, I applied a correcting factor :
long dpiPrinter = pDC->GetDeviceCaps(LOGPIXELSX);
long dpiScreen = 96; // returned by pDC->GetDeviceCaps(LOGPIXELSX)
// when displaying
double ratio = (double)dpiPrinter/dpiScreen;
destPoints[0].X /= ratio;
destPoints[0].Y /= ratio;
...
// destPoints[0...2] are the corners of the rectangle
// delimiting the zone on which the bitmap is to be printed
graphics.DrawImage(pData->pBitmap, destPoints, 3,
0, 0, bitmap.GetWidth(), bitmap.GetHeight(),
UnitPixel);
Bitmap size is now almost correct but still a bit too large.
And I don't see any reason why I have to modify the code for
printing : MFC show the correct image in print preview, so I
assumed I would get the same result on paper.
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You have to modify the code for the reason you said - MFC showed you how it looks on the screen, but it's up to you to match that in terms of the DPI of your printer.
Have you tried using UnitInch to draw to the printer ? Just curious, I've not tried printing in GDI+ myself but it seems like it could be promising.
Christian
The tragedy of cyberspace - that so much can travel so far, and yet mean so little.
"I'm thinking of getting married for companionship and so I have someone to cook and clean." - Martin Marvinski, 6/3/2002
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After many trials it works, and here are my conclusions, or rather my observations, because I don't have a clear understanding of what's happening.
I use the MM_LOMETRIC mapmode : logical units are 0.1 mm. The coordinates of the rectangle on which the bitmap is to be drawed are initially exprimed in these logical units. When I discovered that the size and position of the bitmap on paper were depending of the resolution of the printer, I thought of applying a correcting factor :
factor = dpiPrinter/dpiScreen
X1 /= factor
...
I get these dpi with pDC->GetDeviceCaps(LOGPIXELSX); for the printer it can be
75 ... 1200 dpi, and for screen it is 96.
On paper there was still a error of about 4 %; for example when I printed a bitmap whose
width was expected to be 50 mm, I got 48 mm on paper.
I have tested many hypotheses, including playing with Graphics.SetPageUnit(), Graphics.SetPageScale(), ... And finally an intuition, nothing rational but after all I was ready for black magic : an error of 4 %, OK let's say my dpiScreen is 100 and not 96... size and position are now perfect, for any printer resolution.
I assume that the LOMETRIC mapmode is in cause; as the logical units are not pixels, the screen resolution returned by GetDeviceCaps() is not relevant anymore; but then how do work the factor dpiPrinter/100 ? I have not tested yet with another mapmode, for example HIMETRIC (.01 mm). I guess (?) that my 100 would have to be replaced by 1000.
I can survive without understand that, but if someone has explanation...
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hi guys(and gals),
I have this 2 port nic installed. Bridging the 2 nic ports I have a crossover cable. What i'm looking to do is be able to send data out on one port and have it read in by the other. However on this basic app I wrote it will connect(bind is a better term) to each static ip on the nic; one to send, the other to receive. I chose to use port 3344(no specific reason). Once I connect i send a simple 2 mb file. The transfer works just fine. The problem I encounter is that the transfer is not going thru the crossover cable but somehow routed internally; telling me the os(nt4 server) knows the ip's are internal and not to send the data out across the crossover cable. What i'm looking to do is force the data out across the crossover cable.
if it helps these are the ip's assigned:
192.168.0.1
192.168.0.2
thanks
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I don't think its the O/S that is doing it to you. More likely its the nic card itself (or maybe its driver). You can test this by installing a second nic.
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Thanks for the tip. I just installed a second nic and still get the same results. file transfer between the 2 ports still goes smooth even without the crossover attached
Eric
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Wow, that is surprising. Fraid that's all I had to offer.
Good Luck
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Thank you for your help nonetheless.
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I know there exists a function in C++ which you pass a filename. The function then uses the program defined in Windows for that type of file to open the file.
I don't know if this is the right place to ask, but I try anyway. So if you understand the above and know which function I mean or where to find it, please mail me. Thanks a lot.
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Have you made some experience with Active Directory ?
If you do so, then please let me know because i have some problems with ADSI!
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Hi,
My dialog app contains several buttons which are enabled and disabled at various times.
I am trying to add tool tips for these buttons.
The tooltips appear when the buttons are enabled, but disabled buttons do not show the tool tips
When I create the tooltip control I use
myTooltip->Create(this,TTS_ALWAYSTIP);
Any ideas?
Thanks in advance,
Pete
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TTS_ALWAYSTIP does something different - it will display tooltip when your dialog isn't active. Disabled buttons are probably ignored by design.
Tomasz Sowinski -- http://www.shooltz.com
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Thanks Tomasz - the TTS_ALWAYSTIP was a red herring. I will have to rethink my tooltip strategy now!
Pete.
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some how my project has gotten crazy , every time i complie it says that certain files need to be rebuild even if i have made no changes in the code , it is driving me carzy please help
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Delete the ncb,opt & plg files & rebuild , mybe this will help ![Rose | [Rose]](https://codeproject.global.ssl.fastly.net/script/Forums/Images/rose.gif)
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MailMonty wrote:
it says that certain files need to be rebuild even if i have made no changes in the code
Check the date of modification of these files. Build system uses date/time stamp to determine what has changed.
Tomasz Sowinski -- http://www.shooltz.com
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i used crystal reports ver 6.0
i used an OCX control of Crystal reports to display various reports but when i make a SETUP through InstallSheild it says that the DLL for the OCX was added but
when i run the setup the OCX cannot be registered i added all the dll's from crstal but still it does not register
please HELP ???
thanks in advance
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Use the DEPENDS.exe program that ships with visual studio to get a complete list of the dlls used by the OCX.
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