private void Initialize()
{
width = surface.Width;
height = surface.Height;
backingfile = Path.GetTempFileName();
state = State.Memory;
}
public void ToMemory()
{
if (state == State.Memory)
{
return;
}
FileStream fs = new FileStream(backingfile, FileMode.Open, FileAccess.Read);
try
{
BinaryFormatter bf = new BinaryFormatter();
surface = (Surface)bf.Deserialize(fs);
state = State.Memory;
}
catch (ThreadAbortException) { }
finally
{
fs.Close();
}
}
public void ToDisk()
{
if (state == State.Disk)
{
return;
}
FileStream fs = new FileStream(backingfile, FileMode.Create);
try
{
BinaryFormatter bf = new BinaryFormatter();
bf.Serialize(fs, surface);
state = State.Disk;
}
catch (ThreadAbortException) { }
finally
{
fs.Close();
surface.Dispose();
}
}
public void Dispose()
{
File.Delete(backingfile);
surface.Dispose();
state = State.Disposed;
}
