C#

public interface IBarStream{}
public abstract class Barable : IBarStream {}
public class Barstream<T> : Barable where T : Barable, new() {} // The new constraint tells you that you can do a new on a variable of type T

tabControlMain.TabPages[tabControlMain.TabPages.Count-1].Controls.Add(rtext);

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The only programmers that are better that C programmers are those who code in 1's and 0's


Programm3r
My Blog: ^_^

TextBox tb = new TextBox();
yourTabControl.TabPages[TabPageIndex].Controls.Add(tb);

Johan Martensson wrote:

is there a way to completely delete a file or change the name of the file permanently so it can't be recovered.

File.WriteAllBytes(filename, dummyBuffer);
rng.GetBytes(dummyBuffer);

FileStream tmpStream = new FileStream(filename, FileMode.Create);
tmpStream.Close();

private void WipeFile(string filename, int timesToWrite)
{
    if(File.Exists(filename))
    {
        byte[] dummyBuffer = new byte[512];
        RNGCryptoServiceProvider rng = new RNGCryptoServiceProvider();
        rng.GetBytes(dummyBuffer);

        double filelength = new FileInfo(filename).Length;
        double sectors = System.Math.Ceiling(filelength / 512);

        for (int timesWritten = 0; timesWritten < timesToWrite; timesWritten++)
        {
            FileStream inputStream = new FileStream(filename, FileMode.Open, FileAccess.Write, FileShare.None);                                         

            int sectorsWritten = 0;
            while (sectorsWritten < sectors)
            {
                inputStream.Write(dummyBuffer, 0, dummyBuffer.Length);
                rng.GetBytes(dummyBuffer);
                sectorsWritten++;
            }

            inputStream.Close();
        }

        FileStream tmpStream = new FileStream(filename, FileMode.Create);
        tmpStream.Close();

        File.Delete(filename);
    }
}

FileStream tmpStream = new FileStream(filename, FileMode.Truncate);
tmpStream.Close();

FileStream tmpStream = new FileStream(filename, FileMode.Create);
tmpStream.Close();