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40 Posted Topics
 | I have a simple USB barcode reader which I intend to use to scan COD 39 barcodes. I know that just scanning the barcode while having a text field on focus will get me the text input of the barcode I'm scanning. However my requirement is a bit different. I … |
| | In my C++ Win32 program I want to set the current Display Settings to "Extend" mode. I Googled and found out that SetDisplayConfig() is the way to go forward in Windows 7 (I'm on Windows 7) but now I am kind of stuck how to proceed as the MSDN explanation … |
| | I referenced Acrobat.dll in a simple C# Console program, and then wrote a couple of lines of codes to run Acrobat. CAcroApp mApp = new AcroAppClass(); Console.WriteLine("Acrobat is running"); bool bClose = mApp.CloseAllDocs(); bool bExit = mApp.Exit(); However, while CloseAllDocs() return true, Exit() always return false. And accordingly I can … |
| | I am trying to extract all the images in a PDF and then convert them into DIB format using an Acrobat plugin. First part is easy. I extract all the contents in the PDF, then iterate through them and whenever I find a PDEImage, I put them in an array. … |
| | Let me describe my problem as well as I can. I have a C# application program, let's call it App.exe. It references a DLL named A.dll which in turn references another DLL, namely, B.dll. However the way in which they are referenced is a bit different. In the code of … |
| | Can someone please tell me what is the event that is triggered when a user clicks on the + sign in C# TreeView? To elaborate more, here is my problem. I have a tree view that is populated at the time of Form_Load. Then the user can expand/collapse/select etc with … |
| | Let me first describe my situation. I have a list of Hex values, which are called BaseID. They are chosen [B]such that logical OR between any number of them will give you a unique ID[/B] which is called FinalID. That is, my BaseID values are as follows. BaseID = { … |
| | I have a WPF C# program where I attempt to delete certain characters from a text box at TextChanged event. Say, for instance, the dollar sign. Here is the code I use. [CODE] private void txtData_TextChanged(object sender, TextChangedEventArgs e) { string data = txtData.Text; foreach( char c in txtData.Text.ToCharArray() ) …  |
| | I have done pretty much all my programming using C# and very much a newbie to C++. However now I have to convert to C++ and is finding it a bit difficult. For example, I wrote a pretty simple program using C# to acquire a RegistryKey, then using a recursive …  |
| | Hi All I'm wondering if there is a way to know, using a C# program, among my COM ports which are connected to BlueTooth devices? For example, let us assume that of my ports 1 through 9, the COM ports 7 and 8 are connected to some type of BlueTooth … |
| | I want to add a custom configuration section to my App.Config file in my C# 2010 project. I want the section to look like the following. [CODE]<DmModules> <Module Name="Module1"> <add key="DbType" value="..."> <add key="ConnType" value="..."> </Module> <Module Name="Module2"> <add key="DbType" value="..."> <add key="ConnType" value="..."> </Module> </DmModules>[/CODE] Of course there can … |
| | I have a very simple WCF program where I have a simple self-host and a client running on the same computer. There is a single method which returns a System.IO.Stream, which is actually a serialized form of a simple string. (This could be any number of data types, but for … |
| | I'm using .NET 3.5 with VS 2005 C#. I created a simple application where when I select the time zone from a combo box, it displays the current time of that time zone. To do this I simply use the GetSystemTimeZones() method of TimeZoneInfo class, and then populate the combo …  |
| | You could pass the controls you want to access to this class?  |
| | I have a WindowsService named, say, BST. And I need to give a non-Administrator user, UserA, the permissions to Start/Stop this particular service. My service runs on a variety of Windows OS, starting from Windows Server 2003 to Windows 7. How can I do this? I Googled and found some … |
| | I have a simple ASP.NET page where after the initial page load the user enters a username and a password to two text boxes. Note that I can not use the built-in login control in ASP.NET, as my purpose of using this username and password is slightly different. Now, I …  |
| | I was looking for a way to Start / Stop Windows Services residing in a remote machine using C# code, and found the following code sample. It works fine for me. It is coded using Impersonation Technique, which apparently requires both the machines (let's say A and B) have a … |
| | Use XmlDocument class to read data. [CODE] XmlDocument xmlDoc = new XmlDocument(); xmlDoc.Load(@"C:\myXml.xml"); [/CODE] There are many ways you can display, basically you'll have to navigate through the aquired data. One easy way would be to put all the nodes of the XmlDocument object to an XmlNodeList. [CODE] XmlNodeList nodeList …  |
 | 1. If you want to store those data regarding basic settings, I say separate that section and use XML files (you could use a template) for that purpose. 2. For statistics, you could use XML files but there is always the risk of them getting big (depending on the usage), … |
| | When you say "using C#", I assume that at some point of your program you are reading the data from the DB to your program. Following is a very good in-detail article on how to create a PDF using C#. You should be good with it. [url]http://www.codeproject.com/KB/files/generatepdf.aspx[/url] |
| | First some background on what I'm working on. I have a particular service (Windows only) running on my computer, which is built using C#. Other than Control Panel > Management Tools > Services, I can also use C# programming to Start/Stop/Restart the said service. I use ServiceController class in System.ServiceProcess … |
| | Check what is the encoding type of your project. The suits above you have given are Unicode, I think, so it could be a problem with that. |
| | Can you please elaborate a bit more. It's very difficult to understand what you're trying to do. |
| | [QUOTE=BuhRock;1402296]Still geting them :( [CODE]GetIntFromString.java:7: > expected for (int i = <str.length()-1; i>=0; i--) ^ GetIntFromString.java:7: ';' expected for (int i = <str.length()-1; i>=0; i--) ^ GetIntFromString.java:7: not a statement for (int i = <str.length()-1; i>=0; i--) ^ GetIntFromString.java:7: ')' expected for (int i = <str.length()-1; i>=0; i--) ^ GetIntFromString.java:7: … |
| | My opinion too is your teacher's method is a waste of time, and making things too complex when they can be done simpler. My usual practice is to put them in a separate file (not a separate class, but inside the same namespace) so they would be accessible from everywhere.  |
| | I am a bit (well, actually a lot) confused with how exactly I should use the Dispose() method on SqlConnection object in C#. First let me tell you what I have learned so far (I've been reading a LOT on the subject for the past 24 hours, and I'm still … |
| | This isn't exactly a problem with C# coding rules, rather I need help with logic. Here's my situation. In my program, I deal with a JobID. Say, a print job, and there is a unique (obviously) JobID assigned to each print job. Now, regarding each job there are MANY files …  |
| | All the registered IIS MIME types in IIS 7 + Windows Vista are registered in the following config file. [CODE]C:\Windows\System32\inetsrv\config\applicationHost.config[/CODE] I was wondering where I can find the same file in Windows XP when I have IIS 6 installed? Additionally, in Vista if I add a MIME type MANUALLY, it … |
| | I'm trying to set a MIME type for a certain file extension (.jdf) using MimeMapClass in C#. Following is the code I use which works fine. [code] // directory is a virtual directory, say BSS // extension = ".jdf" // type = "text/xml" private static void SetMIMEType(DirectoryEntry directory, string extension, … |
| | The following registry key contains many system default folder locations. HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders The value for the path of the All Users desktop, which is found there, is as follows: XP or earlier : %ALLUSERSPROFILE%\Desktop Vista or later: %PUBLIC%\Desktop Whereas the actual paths of the All User desktops, respectively, are … |
| | I'm using the following code (which I found on the net) to register an exe as a Windows Firewall Exception using C# code. Type type = Type.GetTypeFromProgID("HNetCfg.FwAuthorizedApplication"); INetFwAuthorizedApplication authorizedApp = Activator.CreateInstance(type) as INetFwAuthorizedApplication; // Set properties of authorizedApp here. Type objectType = Type.GetTypeFromCLSID(new Guid("{304CE942-6E39-40D8-943A-B913C40C9CD4}")); INetFwMgr firewallMgr = Activator.CreateInstance(objectType) as INetFwMgr; … |
| | I am working on a Setup program which creates a .msi file. There is a CustomAction program associated with it which is written in C#. There are three COM object references made in this CustomAction program which are necessary in order for it to work. They are as follows. 1. … |
| | I am required to create a Desktop shortcut to a specific folder from within my C# program. I have two requirements. 1) On the Desktop of Current User 2) On the All Users Desktop Following is the code I used: [code]WshShellClass WshShell = new WshShellClass(); IWshShortcut MyDesktopShortcut; MyDesktopShortcut = (IWshShortcut)WshShell.CreateShortcut(Environment.GetFolderPath(Environment.SpecialFolder.Desktop) … |
| | I have a service (say BS.exe) written using C# of which the installer is created using Wix and C# (which means it has a Custom Action program associated with the Wix installer program as well). Now, after the program in installed there is a need to go to Windows Firewall …  |
| | How to register MIME types and file extensions to IIS? We have a web service, for which to work a particular file extension (.jdf) needs to be registered under MIME types in IIS. Usually what we do is after installing the service (by executing setup file) we go to the … |
| | People, I need help with this problem. I have a string like the following. [CODE]<JDF ID="n20090409EQ0001" Type="Product" JobID="000004-01" xmlns="http://www.CIP4.org/JDFSchema_1_1" Status="Waiting" Version="1.3" xsi:type="Product" JobPartID="B30" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:scr="htt://new.scr.url/abc" Activation="Active".......[/CODE] It continues like that. From it, I need to extract ALL the occurrences which start with "xmlns:" For example, you have these three tags … |
| | I have two forms, namely MainDataForm and JobForm. In MainDataForm I have a text box named txtJobID which contains a certain job ID. There I also have a button - btnNewJob, if clicked opens the above said JobForm. Now, on JobForm there is another text box named txtNewJobID and when … |
| | First I created a Login to SQL Server using a T-SQL command from within C#. This is the query I used. [code] CREATE LOGIN NT AUTHORITY\NETWORK SERVICE FROM WINDOWS WITH DEFAULT_DATABASE="MyDB"; [/code] Here, NT AUTHORITY\NETWORK SERVICE is the name of the Login I created and MyDB is the DataBase I … |
| | I want to run a Transact SQL statement from within C# in order to create a login to SQL Server. It is important that I do it inside the code, without executing a .sql file from outside the program. How do I do that? Following is the T-SQL statement I …  |
| | I have SQL Server Express 2008 installed in my computer. I need to create a Login to this using C# code. That is, I need to implement the same functionality that is performed when you create a Login to SQL Server using the wizard. Also I need the program to …  |
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