public void openFile()
{
OpenFileDialog openFileDialog = new OpenFileDialog();
openFileDialog.Filter = "Pie doc file (*.pie)|*.pie";
openFileDialog.Title = "Open pie doc";
if (openFileDialog.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
fileName = openFileDialog.FileName;
try
{
using (FileStream fileStream = new FileStream(fileName, FileMode.Open))
{
IFormatter formatter = new BinaryFormatter();
doc = (PieDocument)formatter.Deserialize(fileStream);
}
}
catch (Exception ex)
{
MessageBox.Show("Could not read file: " + fileName);
fileName = null;
return;
}
Invalidate(true);
}
}
public Form1()
{
InitializeComponent();
doc = new PieDocument();
color = Color.Blue;
timer = new Timer();
timer.Interval = 500;
timer.Tick += new EventHandler(timer_Tick);
}
private void newToolStripButton_Click(object sender, EventArgs e)
{
doc = new PieDocument();
Invalidate(true);
}