private void erg_tominus1_PreviewTextInput(object sender, System.Windows.Input.TextCompositionEventArgs e)
{
e.Handled = CustomHelper.IsDoubleInput(e.Text);
if (e.Handled)
{
return;
}
double res = 0.0;
if (double.TryParse((sender as TextBox).Text, out res))
{
if (res < -1.0 || res > 0.0)
{
e.Handled = false;
}
}
}
private void erg_tominus1_PreviewTextInput(object sender, TextCompositionEventArgs e)
{
e.Handled = CustomHelper.IsDoubleInput(e.Text);
if (e.Handled)
{
return;
}
var res = 0.0;
var textBox = sender as TextBox;
if (textBox != null && !double.TryParse(textBox.Text, out res))
{
return;
}
if (res < -1.0 || res > 0.0)
{
e.Handled = false;
}
}