How to use the Events

RadNumericUpDown inherits several common events that can be used to improve the functionality of the control.

Here is a brief list of all events exposed by RadNumericUpDown.

• BindingValidationError - Inherited from System.Windows.FrameworkElement

• GotFocus - Inherited from System.Windows.UIElement

• KeyDown - Inherited from System.Windows.UIElement

• KeyUp - Inherited from System.Windows.UIElement

• LayoutUpdated - Inherited from System.Windows.FrameworkElement

• Loaded - Inherited from System.Windows.FrameworkElement

• LostFocus - Inherited from System.Windows.UIElement)

• MouseEnter - Inherited from System.Windows.UIElement

• MouseLeave - Inherited from System.Windows.UIElement

• MouseLeftButtonDown - Inherited from System.Windows.UIElement

• MouseLeftButtonUp - Inherited from System.Windows.UIElement

• MouseMove - Inherited from System.Windows.UIElement

• SizeChanged - Inherited from System.Windows.FrameworkElement

• ValueChanged - Inherited from System.Windows.Controls.Primitives.RangeBase

Here is an example of how to use the ValueChanged event that is raised whenever the value of RadNumericUpDown is changed:

public void Events()
{
    RadNumericUpDown numeric = new RadNumericUpDown();
    numeric.ValueChanged += OnNumericValueChanged;
    numeric.Value = 10;
}

private void OnNumericValueChanged(object sender, RadRangeBaseValueChangedEventArgs e)
{
    //some action here
}

Private Sub Events()
    Dim numeric As RadNumericUpDown = New RadNumericUpDown
    AddHandler numeric.ValueChanged, AddressOf OnNumericValueChanged
    numeric.Value = 10
End Sub
Private Sub OnNumericValueChanged(sender As Object, e As RadRangeBaseValueChangedEventArgs)
    'some action here
End Sub