private void binaryMapViewer1_BinSelect(object sender, Bin bin)
{
if (bin.Tag == null)
lvExif.SelectedItems.Clear();
foreach (ListViewItem item in lvExif.Items)
{
if (item.Tag == bin.Tag)
{
item.Selected = true;
lvExif.EnsureVisible(lvExif.Items.IndexOf(item));
return;
}
}
}
/// <summary>
/// Reads the next bin in the stream.
/// </summary>
public Bin Read()
{
// Find and return the bin
foreach (KeyValuePair<long, Bin> obj in list)
{
if (mPosition >= obj.Key && mPosition < obj.Key + obj.Value.Length)
{
long offset = obj.Key;
mPosition = offset + obj.Value.Length;
return obj.Value;
}
}
// Return a null bin
long start = 0;
foreach (KeyValuePair<long, Bin> obj in list)
{
if (obj.Key + obj.Value.Length <= mPosition)
{
start = obj.Key + obj.Value.Length;
}
}
long end = 0;
foreach (KeyValuePair<long, Bin> obj in list)
{
if (obj.Key > mPosition)
{
end = obj.Key;
break;
}
}
mPosition = start;
Bin bin = new Bin("Null", 0, end - start);
bin.Offset = mPosition;
mPosition += bin.Length;
return bin;
}
/// <summary>
/// Writes a bin to the current position.
/// </summary>
public void Write(Bin bin)
{
foreach (KeyValuePair<long, Bin> obj in list)
{
if ((mPosition >= obj.Key) && (mPosition < obj.Key + obj.Value.Length))
throw new Exception("Cannot overwrite stream.");
}
bin.Offset = mPosition;
list.Add(mPosition, bin);
mPosition += bin.Length;
}
/// <summary>
/// Selects the specified bin.
/// </summary>
public void SelectBin(Bin bin)
{
long offset = mMap.Position;
mMap.Seek(0, System.IO.SeekOrigin.Begin);
while (!mMap.EOF)
{
Bin s = mMap.Read();
if (s.GetHashCode() == bin.GetHashCode())
{
mMap.Seek(s.Offset, System.IO.SeekOrigin.Begin);
selectedbin = s.GetHashCode();
Refresh();
return;
}
}
mMap.Seek(offset, System.IO.SeekOrigin.Begin);
return;
}
