/// <summary>
/// Responds to specific keyboard input and invokes associated scrolling behavior.
/// </summary>
/// <param name="e">Required arguments for this event.</param>
protected override void OnKeyDown(KeyEventArgs e)
{
if (e.Handled || e.OriginalSource.Equals(this))
{
base.OnKeyDown(e);
return;
}
// Don't eat left/right if horizontal scrolling is disabled
if (e.Key == Key.Left || e.Key == Key.Right)
{
if (HorizontalScrollBarVisibility == ScrollBarVisibility.Disabled || HorizontalOffset.Equals(0))
{
return;
}
}
// Don't eat up/down if vertical scrolling is disabled
if (e.Key == Key.Up || e.Key == Key.Down)
{
if (VerticalScrollBarVisibility == ScrollBarVisibility.Disabled || VerticalOffset.Equals(0))
{
return;
}
}
// Let the base class do it's thing
base.OnKeyDown(e);
}
public override bool Equals(object obj)
{
var other = obj as HeightMeasurements;
return(other != null &&
DistanceTop.Equals(other.DistanceTop) &&
AngleTop.Equals(other.AngleTop) &&
DistanceBottom.Equals(other.DistanceBottom) &&
AngleBottom.Equals(other.AngleBottom) &&
VerticalOffset.Equals(other.VerticalOffset));
}