8,298 Topics
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| | Hi to all. I'm trying to use hidapi.dll,if needed i'll post a sources or link to authors page. Here's what i've have in my dll: #define HID_API_EXPORT __declspec(dllexport) #define HID_API_CALL ... int HID_API_EXPORT HID_API_CALL hid_write(hid_device *device, const unsigned char *data, size_t length); ... and this is the part in c#: … |
 | Hello, I was doing some research on enumerating the different drives on a system, and I found some code on MSDN. Here is the page: http://msdn.microsoft.com/en-us/library/windows/desktop/aa364975%28v=vs.85%29.aspx The source code looks like this: DWORD dwSize = MAX_PATH; char szLogicalDrives[MAX_PATH] = {0}; DWORD dwResult = GetLogicalDriveStrings(dwSize,szLogicalDrives); if (dwResult > 0 && dwResult … |
| | hey guys i just need someone to help me out in parts (c) and (d) of the following question: a- Implement the function f(a,x)=sin(ax)/x. (the prototype is double f1(double a, double x). Note that this function is equal to a for x=0. (6 points) b- Write a code that asks …  |
 | I am currently learnning c++ from a text book. but I have come accross an error when trying to run the program. The error reads like this: fatal error C1010: unexpected end of file while looking for precompiled header. Did you forget to add '#include "StdAfx.h"' to your source code? … |
| | Please Explain me the code A a = b as A; Iam confused with it public class A { public virtual void One(); public void Two(); } public class B : A { public override void One(); public new void Two(); } B b = new B(); A a = …  |
| | Alright guys I need some assistance with this. Ok In a few days I will start my project but I need to how to do something, Read Below: I need to find out how to display a Users specific table within My MySQL database for example here is a picture … |
 | hi all, Im working with a asp.net c# application and using sql server, as my database and using stored procedures. And i've to generate dynamic check box and button's.which is users can click the checkbox and when user can submit at the time i have to get checked checkbox values … |
| | I have a Java code block like following: public TcpConnection(TcpSocket socket, long alive_time, ITcpConnectionListener listener) { init(socket,alive_time,listener); start(); } For the conversion in C#, When I try to replace the `start()` method with `System.Threading.ThreadStart()`, it gives an error. How can I start a thread in C#? |
| | I have created an application which compress & convert a file in .rar or .zip format.But it can't be open and give error that the file is damaged!!! string filetocompress = txtSourceFilePath.Text.Substring(txtSourceFilePath.Text.LastIndexOf("\\")+1); MessageBox.Show(filetocompress); FileStream sourcefile = File.Create(txtSourceFilePath.Text); FileStream destination = File.Create(txtTargetFilePath.Text + filetocompress + ".gz"); byte[] buffer = new byte[sourcefile.Length]; … |
| | I'm looking for an easy way to be able to post to all of the main social networks including: Twitter, Facebook, Google+, Delicious, Stumbleupon and Pinterest (the first 3 being the most important to me). I'd like to be able to perform this functionality from a C# desktop application that … |
| | A bit of background information: Im running Windows Server 2008 R2 Standard, on a virtual server. The program is a service with a service installer. The service has a couple of performance counters to show the data performance. To be able to do this I need to create a category(I … |
 | could you please help me we're doing our independent study about visual c# 2008 could please teach ne how to connect mysql to C#? thanks for the help:) |
| | Hi guys! can anyone help me with my problem? I'm making my project regarding I.D. System and I need to connect this Bamboo digital pen and touch, to use it as the signature for the I.D. Thank you in advance! :) |
| | I'm currently working in a java to c# conversion project. In one part I got this Java code snippet. public CustomType someMethod(Message msg) throws IOException { byte[] data = msg.toString().getBytes(); } to my understanding, data contains the byte representation of the string *msg.toString()* But when I try to write it … |
| | Hi i created class a and b is it's child (a:b) public class a { string text = "class a"; public void alert() { MessageBox.Show(text); } } public class b : a { string text = "class b"; } b myb = new b(); myb.alert(); but when i call alert() … |
| | Hi all, Can u plz tell me as how to upload images. I am developing an web application similar to picasaweb album. I need to know as where the images to be saved(is it in database directly each image or just image path in database and files in application folder) … |
| | what ide can i use for c# programming? except for visual studio? thank you :) |
| | Hello All; I'm not a student nor is this a project I am beginning a programming project of my own and redoing some of my personal lessons to refresh my understanding of C# and I couldn't believe how rusty I am until I hit this issue...... using System; using System.Windows.Forms; …  |
| | I am learning C# there I came across two programs they both, get the users' input at the run time. The first program is using **int.Parse()** method to convert the string to int and the second program is using the **Convert.ToInt32()** to do the same task. Now my question is …  |
| | If the program is being run the "cin>>answerBoss;" runs just fine but right after that input the program skips the next input that reads "cin>>overTime;" I can't figure out what is causing this to happen.  |
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| | I need help with the usage of Perfromance Monitor, but the code that I tried to go with did not work. I ended up with this Sysmon( System Monitor ) and added it in a Windows Form Application. I need to learn how to track performance. Does anyone know how … |
| | Hi all, i am developing web application in asp.net backend MS-Sql.<br/> i have to retrieve a particular table values for example table name "costomer" and its fields are "c_id,c_name,c_contactno" like that and when i retrieve this values, it should be bind the checkbox for UI. now i've code for generate … |
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| | I am currently learning c++ on my Mac started with eclipse and playing with Qt some recently. I am wanting to switch over to Linux. I was wondering what is the recommend Linux destro that c++ programmers are using. I will need to do some GUI programming. So I guess …  |
| | I have done a VERY simple currency converter which runs in the command prompt. is it possible to some how get this to work as a windows program. I would like to be able to save it and send it to my friends. I would also like to be able …  |
 | Hi all! Are there any available C# projects that is used in VS2010-CS2012 that you guys know about? I need a really large project that has multiple assemblies for example. Thanks |
| | I am using C# to create a word document from a template (Word) that contains several bookmarks. My application generates different tables and paragraphs at specific bookmarks. However, there is a blank page created in the end of the document which I am not sure how to get rid of. … |
| | Hello, I am currently trying to develop a window form application whose content is added dynamically. What I am trying to do here is to display a number of panels with different sources across the screen horizontally. I am getting the data from a DB and depending on the number … |
| | Hello dears. I need to play a music in my projects background. I did such below but it does not work. what is problem please? [CODE] class PlayMusic { private string cmd; private bool isOpen; [DllImport("winmm.dll")] private static extern long mciSendString(string strCommand,StringBuilder strReturn,int iReturnLength, IntPtr hwndCallback); public void Close() { … |
 | I have created a setup in windows application using C#. In the Installer class I have overridden the Uninstall method as I wanted to perform some custom actions. But, while uninstallation I am getting error as **Unable to load one or more of the requested types. Retrieve the LoaderExceptions property … |
| | In a past prac. exam for an algorithm course I'm doing is the challenge below, and their are no solutions but it seems like a really interesting one to solve. Can someone please help and point me in the right direction, I would like to try this on my own, … |
 | Hello! My name is Page, and I am still in the process of becoming a more seasoned programmer. I am trying to get a .txt file with first names in it to be sorted after I read the file and input it to a array from a function. Now I …  |
 | I an developing a Multilevel Marketting Website. I have enterd data in sql table (MemberDetail) columns(Member_Id, LeftChildMemberId, RightChildMemberId,TreePosition). Now in asp.net form I have to display Member_Id in form of Binary Tree. How can i do this?  |
 | This is strange, I looked it up and by default C# should pass parameters by value but I've always had them get passed by pointer. ie [ICODE] public class foo { public foo() { derp = 123456; } public int derp; } public static void dontcare(foo z) { z.derp = … |
| | How to overlay two images in c#? Thanks  |
| | In java this is how a DerivedClass can implement it's BaseClass's constructor. public DerivedClass extends BaseClass { //some properties public DerivedClass(param) { super(param); } } I have learnt C-Sharp's *base()* does the similar thing, but when I replace *super(param)* with *base(param)*, it does not gives what I'm expecting. How can … |
| | Is it possible to have a auto-tracking event or something similar to track the database when it changes? For an example: If the database gets a new insert value from another application that I currently have: then My other application will notice it and fetch that data instead of getting … |
| | I have been working on a conversion project for last few days where I need to convert a Java library to C#. At one point I came to java's certain feature called [Exceptions Thrown by a Method](http://docs.oracle.com/javase/tutorial/essential/exceptions/declaring.html). Here is a little glimpse of it: public boolean isRequest() throws NullPointerException { … |
| | plz provide me design n source code in C# with asp.net |
| | Q1: and then breaks that number down to display the equivalent minutes and seconds. Have your program ONLY do the calculation if the user enters a number LESS than 50,000 hours.number of hours, If he enters 50,000 or more print an error message and quit.Write a C++ program that reads …  |
| | In the conversion process of a java to c# project, i have come to java's ***indexOf()*** function in ***string.java*** class, which takes in two integers (int ch, int fromIndex) and return some integer value for a char (i'm guessing its an ASCII value). I need to know if there is … |
| | develop a c++ program for length conversions. The program should have a menu so that the user can select the type of length conversion by typing a value between 1 and 8 as follows: 1.centimeter to other units 2.Meter to other units 3.Kilo meter to other units 4.feet to other … |
| | Hi all, I'm following [this](http://msdn.microsoft.com/en-us/library/dd492149.aspx) tutorial and I'm encountering strange behaviour with the program. My finishLabel *ought* to be calling finishLabel_MouseEnter() when the mouse hovers over it, but it's calling wall_MouseEnter() instead - the location of the mouse resets and the congratulations box doesn't show up. In the properties/events box … |
| | How can Pass List to a constructor, I trying like this private void button1_Click(object sender, EventArgs e) { step2 st2 = new step2(list); } But what to write in constructor definition public step2() { InitializeComponent(); } Any suggestion is welcome |
 | I'm using visual studio 2010 and C# and this is the Implementation of a WPF button. IT takes two textbox values and insert them into a database table. i did create a service based database and the did configure it on app.config file. Table has two columns, product id(int) and … |
 | Question#1Senior salesperson is paid RS.400 a wek, and a junior salesperson is pair RS.275 a week.Write a program that accepts as input a salesperson's status in the character vaiable status is's' or "S" the seniors person's salery should be displayed;if status is 'j' and 'J',the junior person's salery should be … |
| | I had created a dropdownlist box as follows. The contents of default.aspx is listed below <asp:DropDownList runat="server" ID="day" CssClass="dobselect"> <asp:ListItem Value="0" Text="DAY"></asp:ListItem> </asp:DropDownList> <asp:DropDownList runat="server" ID="month" CssClass="dobselect"> <asp:ListItem Value="0" Text="MONTH"></asp:ListItem> </asp:DropDownList> <asp:DropDownList ID="year" CssClass="dobselect" runat="server"> <asp:ListItem Value="0" Text="YEAR"></asp:ListItem> </asp:DropDownList> Then in the default.cs.aspx I had added the following code to …  |
| | Take the following C structure: typedef struct dataPoint { tick * tickData; struct dataPoint * previousDataPoint; struct dataPoint * nextDataPoint; } dataPoint; Compiling on a 64-bit system with 8-byte words, this structure takes up 24 bytes (3 words) of memory. 24 % 8 = 0 ... so it is word … |
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