private void frmAdmin_FormClosing(object sender, FormClosingEventArgs e)
{
DialogResult r;
// Allow the user to save the updated data
if (!dataModified)
{
return;
}
r = MessageBox.Show("Save changes before closing?", "Save",
MessageBoxButtons.YesNo, MessageBoxIcon.Question);
if (r == DialogResult.No)
{
return;
}
// Save the data in a file.
if (dlgSaveFile.ShowDialog() != DialogResult.OK)
{
e.Cancel = true;
return;
}
try
{
LibraryApp.WriteBooks(dlgSaveFile.FileName,
lstBooks.Items);
}
catch (Exception exc)
{
MessageBox.Show(exc.Message, "Error", MessageBoxButtons.OK,
MessageBoxIcon.Error);
e.Cancel = true;
return;
}
}
private void mnuSave_Click(object sender, EventArgs e)
{
if (dlgSaveFile.ShowDialog() == DialogResult.OK)
{
LibraryApp.WriteBooks(dlgSaveFile.FileName, lstBooks.Items);
dataModified = false;
}
}