public void Open()
{
OpenFileDialog openFileDialog = new OpenFileDialog();
openFileDialog.Filter = "Cicles doc file (*.plc) | *.plc";
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 = (CircleDoc)formatter.Deserialize(filestream);
}
}
catch (Exception e)
{
MessageBox.Show("Could not read file: " + FileName);
FileName = null;
return;
}
Invalidate(true);
}
}
public Form1()
{
InitializeComponent();
doc = new CircleDoc();
this.DoubleBuffered = true;
timer = new Timer();
timer.Interval = 1000;
timer.Tick += new EventHandler(timer_Tick);
}
private void newToolStripButton_Click(object sender, EventArgs e)
{
doc = new CircleDoc();
Invalidate();
}