/// <summary>
/// Handles the KeyDown event of the textBox control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="System.Windows.Input.KeyEventArgs"/> instance containing the event data.</param>
private static void textBox_KeyDown(object sender, KeyEventArgs e)
{
// bypass other keys!
if (IsValidOtherKey(e.Key))
{
return;
}
//
TextBoxFilterType filterType = GetFilter((DependencyObject)sender);
TextBox textBox = sender as TextBox;
if (null == textBox)
{
textBox = e.OriginalSource as TextBox;
}
//
switch (filterType)
{
case TextBoxFilterType.PositiveInteger:
e.Handled = !IsValidIntegerKey(textBox, e.Key, e.PlatformKeyCode, false);
break;
case TextBoxFilterType.Integer:
e.Handled = !IsValidIntegerKey(textBox, e.Key, e.PlatformKeyCode, true);
break;
case TextBoxFilterType.PositiveDecimal:
e.Handled = !IsValidDecmialKey(textBox, e.Key, e.PlatformKeyCode, false);
break;
case TextBoxFilterType.Decimal:
e.Handled = !IsValidDecmialKey(textBox, e.Key, e.PlatformKeyCode, true);
break;
case TextBoxFilterType.Alpha:
e.Handled = !IsValidAlphaKey(e.Key);
break;
}
}
/// <summary>
/// Sets the Filter property.
/// </summary>
public static void SetFilter(DependencyObject d, TextBoxFilterType value)
{
d.SetValue(FilterProperty, value);
}
/// <summary>
/// Sets the Filter property.
/// </summary>
public static void SetFilter(DependencyObject d, TextBoxFilterType value)
{
d.SetValue(FilterProperty, value);
}
