C# - The Scripts Library Community

Auto-Fill ComboBox Using C#

ferasc@hotmail.com (Feras) — Tue, 30 Jun 2009 06:35:54 +0000

This is simple code of how you fill a combobox automatically in C#.
First, lets bind the combo with some data:

Get User Domain Name in C#

ferasc@hotmail.com (Feras) — Mon, 29 Jun 2009 17:37:41 +0000

Get user domain name in C#

{CODE brush: cpp;}
        protected string GetUserDomainName()
        {
            return System.Environment.UserDomainName;

        }
{/CODE}

Progressbar in C#

ferasc@hotmail.com (Feras) — Fri, 26 Jun 2009 22:46:16 +0000

The Progressbar Class is a part of the .NET framework, which provides progress bar control that can enhance your functionality of your application.
In this tutorial, we are going to use three members of the Progressbar class:
Minimum, Maximum, and Value.
The value should range between the minimum and maximum.

Create a new C# Application. Add the following controls to the main form:
Progressbar control, name it as pb.
Timer, name it as tr

Bind an ADO.NET DataTable to a Combobox in C#

ferasc@hotmail.com (Feras) — Thu, 25 Jun 2009 06:04:54 +0000

Here is a simple code to Bind an ADO.NET DataTable to a ComboBox using C# and Microsoft Access.
Create a MS Access Database, and name it as db.
Add a new table to it:

Table name: Positions
Fields:
ID (number, primary key)
Name (text)

Create a new C# windows project; add a new form to it.
Add a ComboBox to the form, name is as cbPositions.

Switch to View Code mode, copy and paste the following sub:

Socket Connect and Data Send in C#

ferasc@hotmail.com (Feras) — Thu, 25 Jun 2009 02:38:30 +0000

Function to connect to host machine, and send data via TCP Socket.

Required Namespace:
{CODE brush: cpp;}
using System.Net;
using System.Net.Sockets;
{/CODE}
The function:

Create a File and Write to it Using FileStream in C#

ferasc@hotmail.com (Feras) — Wed, 24 Jun 2009 23:17:44 +0000

Using the FileStream Namespace to create a text file, then write a string to it.

Namespace required:
{CODE brush: cpp;}
using System.IO;
{/CODE}

Play Audio Files Using C#

ferasc@hotmail.com (Feras) — Wed, 24 Jun 2009 21:10:14 +0000

Function to play an audio file in C#. It uses the System.Media Namespace.

Namespace Requried:
{CODE brush: cpp;}
using System.Media;
{/CODE}

And the Function:
{CODE brush: cpp;}
        void PlayAudioFile (string filePath)

        {
            SoundPlayer SoundPlayer = new SoundPlayer();
            SoundPlayer.SoundLocation = filePath;
            SoundPlayer.Play();
        }
{/CODE}
That's it!

DNS Reverse Lookup in C#

ferasc@hotmail.com (Feras) — Wed, 24 Jun 2009 00:32:29 +0000

The following sample will show you how to get DNS Reverse Lookup for a particular IP. It uses the System.Net namespace.

First, add the following controls to your form:
TextBox. Name it as txtHostName
Button. Name it as btnDNSReverseLookup

Create Registry Key in C#

ferasc@hotmail.com (Feras) — Tue, 23 Jun 2009 03:03:58 +0000

A simple code to create a Registry Key in your local machine:

Required Namespace:
{CODE brush: cpp;}
using Microsoft.Win32;
{/CODE}
And the function:
{CODE brush: cpp;}
        static void CreateRegistry()
        {
            try
            {
                // Save new Registry to HKEY_LOCAL_MACHINE
                RegistryKey rk = Registry.LocalMachine ;
                // create new Registry subkey
                rk = rk.CreateSubKey("Software\\YouRegistrykey");
                rk.SetValue("Version", "1.1.0");
                rk.SetValue("AppKey", "1234");
                MessageBox.Show("New Registry setting created");
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message );
            }


        }
{/CODE}
Happy Coding!

Get Drive Free Space in C#

ferasc@hotmail.com (Feras) — Tue, 23 Jun 2009 02:09:14 +0000

Function to get Drive free Space using C#:

Namespace:
{CODE brush: cpp;}
using System.IO;
{/CODE}
And the function:
{CODE brush: cpp;}
        string GetDriveInfo(string strfile)
        {
            string strInfo;
            strInfo = "";//initialize string
            try
            {

                FileInfo file = new FileInfo(strfile);
                DriveInfo driveinfo = new DriveInfo(file.FullName);

                strInfo += "Drive: " + driveinfo.Name;

                if (driveinfo.IsReady)
                {
                    strInfo += "\nFree space: " + driveinfo.AvailableFreeSpace.ToString();
                }

            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
            return strInfo;

        }
{/CODE}
Function usage:
{CODE brush: cpp;}
MessageBox.Show(GetDriveInfo("C:/"));
{/CODE}
That's it!