private void DateTimePicker1_CalendarClosed(object sender, RoutedEventArgs e)
{
bool b2 = false;
using (StreamReader file = new StreamReader("WriteLines.txt"))
{
string ln;
while ((ln = file.ReadLine()) != null)
{
if (ln == DateTimePicker1.ToString())
{
Textbox1.Text = file.ReadLine();
b2 = true;
}
}
file.Close();
}
if (b2 == false)
{
if (this.isDataDirty)
{
string msg = "Data is dirty. Close without saving?";
MessageBoxResult result =
MessageBox.Show(
msg,
"Data App",
MessageBoxButton.YesNo,
MessageBoxImage.Warning);
if (result == MessageBoxResult.No)
{
// If user doesn't want to close, cancel closure
}
else
{
Textbox1.Text = "";
this.isDataDirty = false;
}
}
}
}