In that way it will be easy to set the popup animation to be slide, fade or scroll without setting a custom template. Available in R1 2017 Release
The issue is not reproducible since R2 2016 SP1 version.
To avoid this, handle the scrolling of the ScrollViewer when the dropdown content is opened. This behavior is already implemented in RadComboBox by overriding its OnMouseWheel method and handling the event arguments.
To work this around subscribe to the MouseWheel event of RadDropDownButton and set the Handled property of the event arguments to True.
private void RadDropDownButton_MouseWheel(object sender, MouseWheelEventArgs e)
{
var btn = (RadDropDownButton)sender;
if (btn.IsOpen)
{
e.Handled = true;
}
}When using the RadToggleSwitchButton and the CheckedContent and UncheckedContent properties are not utilized, in some themes, the on and off states cannot be correctly distinguished. For example, the track or the thumb does not indicate whether the button is checked or not.
Themes, in which this is present are the following ones: