private void RakeLengthTextBox_GotFocus(object sender, RoutedEventArgs e)
{
if (RakeLengthTextBox.Text == string.Empty)
{
RakeLengthTextBox.Text = "0";
}
RakeLengthTextBox.SelectAll(); b = false;
}
private void RakeLengthTextBox_TextChanged(object sender, TextChangedEventArgs e)
{
int c = 0;
if (!int.TryParse(RakeLengthTextBox.Text, out c))
{
MessageBox.Show("Enter length to nearest inch", "Invalid Entry");
}
if (RakeLengthTextBox.Text == string.Empty)
{
RakeLengthTextBox.Text = "0"; RakeLengthTextBox.SelectAll();
}
if (b == false)
{
SqFtTotal.Text = FigureSqFt(int.Parse(EaveLengthTextBox.Text), int.Parse(RakeLengthTextBox.Text), int.Parse(RidgeLengthTextBox.Text)).ToString();
}
}
