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Since a driver is (effectively) part of the Windows OS you will need to write it in C/C++.
Veni, vidi, abiit domum
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I write my project in C#.
I have to rebuild my project in C++ or there other way to create driver printer
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If you want to create a new printer (real or virtual) then you will need to install a driver for it, and that will need to be written according to the WDK. Go to the link I gave you and study how to do it.
Veni, vidi, abiit domum
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How to display image on crytal report using image path from folder and selection of combobox.
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Bit by bit.
You're asking three questions here; how to display an image in CR, how to fetch an image, and how to work with a combobox. I assume that the combobox is on some WinForm?
Check out Image in Crystal Reports[^] 
Bastard Programmer from Hell 
If you can't read my code, try converting it here[^]
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Hello everyone
How I can add add local printer programmactly with c#
thanks in advance
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You have already been hiven an answer below.
Veni, vidi, abiit domum
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Don't repost the same question again.
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Hello
I used this code to add printer but it did not work
try
{
oManagementScope = new ManagementScope(ManagementPath.DefaultPath);
oManagementScope.Connect();
ManagementClass oPrinterClass = new ManagementClass
(new ManagementPath("Win32_Printer"), null);
ManagementBaseObject oInputParameters =
oPrinterClass.GetMethodParameters("AddPrinterConnection");
oInputParameters.SetPropertyValue("Name", "testprinter");
oPrinterClass.InvokeMethod("AddPrinterConnection", oInputParameters, null);
return true;
}
catch (Exception ex)
{
return false;
}
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What does "it didn't work" mean?
Where did you specify what printer to connect to? What driver to use? What printer settings (port, ip, etc)? I can't imagine you would get a working printer just by telling Windows the name of one...
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Thanks for answer
did not work mean when I execute the code and go to Printers ,I did not see any new printer.
I want to create it on local host(Client Machine)
Port:Local port.
IP:Local IP
thanks
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No problem.
There are only 10 types of people in the world, those who understand binary and those who don't.
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The same way you would do it on paper. Create a List of all the points in the graph and then draw a line from the first to the last, passing through each intermediate point. You can do this by using the Graphics Class[^], or search Google for some other utility classes that may help you.
Veni, vidi, abiit domum
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I do not plot as in the picture. No numbers only lines
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Sorry, but I do not know what you mean.
Veni, vidi, abiit domum
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No lines. does not seem spots
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Sorry, but that is no more clear. Try explaining in detail what you are having trouble with. And if it is a matter of translation, then perhaps you can get someone else to help with the English.
Veni, vidi, abiit domum
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self.dots=[]
for i in range(0,num_dots)
if (condition)
self.dots.append("fix",dots[i])
else
self.dots.append("free",dots[i])
Hi all.I have a part of my project created in python and i would like to rewrite in c#.In python i used a list (self.dots) to have every item ordered with its string value.in c# i don't know how to obtain the same thing.i need to check if each item is free or fix but following the order i previously established.
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Perfect.thank you very much
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Take a look at the SortedList[^] or SortedDictionary[^] classes.
other than that there is also a "Sort" Method on the Default List[^] object. Where you can pass a comparer object with your logic how to sort the items contained in that list.
Besides, I'm not really sure what you're trying to accomplish. So I can't guarantee those are what you're looking for 
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Ok.thank you very much.Do you know how the sorteddictionary is ordered? by adding elements?i am looking up on the web in the meanwhile.
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