/// <summary>
/// Handles a request to close the window
/// </summary>
private void HandleClose()
{
if (spreadsheet.Changed)
{
if (MessageBox.Show("File isn't saved. Would you like to save the file before closing? ", "Save file", MessageBoxButtons.YesNo) == DialogResult.Yes)
{
spreadsheetView.Save();
spreadsheetView.CloseWindow();
}
else
{
spreadsheetView.CloseWindow();
}
}
else
{
spreadsheetView.CloseWindow();
}
}