C#

234                    /*original test number
Byte: 234              >
Byte: 0                >original test number
Byte: 0                >array of bytes
Byte: 0                */

Array Flip: -369098752 /*using the method I came up with
Byte: 0                > I got the signed 32bit integer
Byte: 0                > This is the 
Byte: 0                > array of bytes for that number
Byte: 234              */

Int Shift: 59904       /*using your shifting method
Byte: 0                > produced this unsigned 32bit integer
Byte: 234              > This is the 
Byte: 0                > array of bytes for that number
Byte: 0                */

IPAddress: -369098752  /*using the System.Net.IPAddress.HostToNetwork method I came up with
Byte: 0                > I got the signed 32bit integer
Byte: 0                > This is the 
Byte: 0                > array of bytes for that number
Byte: 234              */

return val = (val >> 24) |(val << 24); 

static byte[] FlipBytes(byte[] bArray)
{
    byte[] bNewArray = new byte[bArray.Length];
    int j = 0;
    for (int i = bArray.Length - 1; i >= 0; i--)
    {
        bNewArray[j] = bArray[i];
        j++;
    }
    return bNewArray;
}

FernandoMartin wrote:

i'd like to remove the pointer of the datagridview, i don't know exactly the name of that.

ploxy wrote:

how can i code to check for the existence of a particular text file in a drive

ploxy wrote:

and then call for a dialogue form if the file does not exist

if (!File.Exists(filename)) {
    filename=null;
    using (OpenFileDialog dlg=new OpenFileDialog()) {
        ... dlg properties = values;
        if (dlg.Show()==DialogResult.OK) filename=dlg.FileName;
    }
}
if (filename!=null) ... // read the file