private void randomExcuse_Click(object sender, EventArgs e)
{
string[] fileName = Directory.GetFiles(selectedFolder, "*.excuse");
if (fileName.Length == 0)
{
MessageBox.Show("Please specify a folder with excuse files in it",
"No excuse files found");
}
else
{
try
{
if (CheckChanged())
{
currentExcuse = new Excuse(random, selectedFolder);
//UpdateForm(false); 这个语句无论抛不抛出异常都需要执行
}
}
catch (SerializationException)
{
currentExcuse = new Excuse();
currentExcuse.Description = "";
currentExcuse.Results = "";
currentExcuse.LastUsed = DateTime.Now;
MessageBox.Show("Your excuse file was invalid.",
"Unable to open a random excuse");
}
finally
{
UpdateForm(false);
}
}
}
public void OpenFile(string path)
{
this.Path = path;
using (Stream input = File.OpenRead(path))
{
BinaryFormatter bf = new BinaryFormatter();
Excuse excuseRead = (Excuse)bf.Deserialize(input);
Description = excuseRead.Description;
Results = excuseRead.Results;
LastUsed = excuseRead.LastUsed;
}
}
private void open_Click(object sender, EventArgs e)
{
if (CheckChanged())
{
openFileDialog1.InitialDirectory = selectedFolder;
openFileDialog1.Filter = "Excuse files (*.excuse)|*.excuse|All files (*.*)|*.*";
openFileDialog1.FileName = description.Text + ".excuse";
DialogResult result = openFileDialog1.ShowDialog();
if (result == DialogResult.OK)
{
bool clearForm = false;
try
{
currentExcuse = new Excuse(openFileDialog1.FileName);
try
{
UpdateForm(false);
}
catch (ArgumentOutOfRangeException)
{
MessageBox.Show("The excuse file '" +
openFileDialog1.FileName + "' had a invalid data",
"Unable to open the excuse");
clearForm = true;
}
}
catch (SerializationException ex)
{
MessageBox.Show("An error occurred while opening the excuse '" +
openFileDialog1.FileName + "'\n" + ex.Message,
"Unable to open the excuse", MessageBoxButtons.OK, MessageBoxIcon.Error);
clearForm = true;
}
finally
{
if (clearForm)
{
description.Text = "";
results.Text = "";
lastUsed.Value = DateTime.Now;
}
}
}
}
}