public void Open()
{
OpenFileDialog openFileDialog = new OpenFileDialog();
openFileDialog.Filter = "Circle doc file (*.cir) | *.cir";
openFileDialog.Title = "OpenFile";
if (openFileDialog.ShowDialog() == DialogResult.OK)
{
FileName = openFileDialog.FileName;
try
{
using (FileStream filestream = new FileStream(FileName, FileMode.Open))
{
IFormatter formatter = new BinaryFormatter();
doc = (ElipsiDoc)formatter.Deserialize(filestream);
}
}
catch (Exception e)
{
MessageBox.Show("Could not read file: " + FileName);
FileName = null;
return;
}
Invalidate(true);
}
}
public Form1()
{
InitializeComponent();
doc = new ElipsiDoc();
this.DoubleBuffered = true;
start = Point.Empty;
end = Point.Empty;
timer = new Timer();
timer.Interval = 200;
timer.Tick += new EventHandler(timer_tick);
timer.Start();
}