PriorityScrolling Property (ScrollBarInfo)

using Infragistics.Win;
using Infragistics.Win.UltraWinScrollBar;

private void InitializeScrollBarInfo()
{

	// Note: Under Windows XP if the 'SupportThemes' property
	// is left set to True (its default setting) then some of
	// the explicit appearance and button style property
	// settings are ignored.
	this.ultraScrollBar1.SupportThemes = false;

	// The UltraScrollBar control exposes a ScrollBarInfo
	// object that exposes many of the same properties as
	// the control (the common properties are mapped internally
	// by the control so that you can set either the control's
	// properties or the ScrollBarInfo's properties).
	ScrollBarInfo sbInfo = this.ultraScrollBar1.ScrollBarInfo;

	// ScrollBarInfo exposes a 'ScrollBarLook' object that
	// exposes properties that effect the look of the 
	// scroolbar
	ScrollBarLook sbLook = sbInfo.ScrollBarLook;

	//---------------------------------------------------
	// Set various properties on the ScrollBarLook object
	//---------------------------------------------------

	// Set the default appearance to use a gradient.
	sbLook.Appearance.BackColor = Color.LightGray;
	sbLook.Appearance.BackColor2 = Color.White;
	sbLook.Appearance.BackGradientStyle = GradientStyle.HorizontalBump;
	sbLook.Appearance.ForeColor = Color.Red;

	// Specify the appearance of the scroll buttons
	sbLook.ButtonAppearance.BackColor = Color.LightGray;
	sbLook.ButtonAppearance.BackGradientStyle = GradientStyle.None;
	sbLook.ButtonAppearance.ForeColor = Color.Red;
	
	// Specify the appearance of the scroll thumb track area
	sbLook.TrackAppearance.BackColor = Color.Gray;
	
	// Specify the appearance of the scroll thumb
	sbLook.ThumbAppearance.BackColor = Color.Silver;
	sbLook.ThumbAppearance.BackGradientStyle = GradientStyle.None;
	sbLook.ThumbAppearance.BackHatchStyle = BackHatchStyle.Divot;

	// Specify that 2 additional buttons will be
	// shown, one to go to the minimum value (left/top)
	// and one to go to the maximum value (right/bottom).
	sbLook.MinMaxButtonsVisible = true;

	// Specify where the buttons appear.
	// Note: This enumeration has a 'None' option to
	// hide the buttons.
	sbLook.ScrollBarArrowStyle = ScrollBarArrowStyle.BothAtLeftTop;

	//-----------------------------------------------------------------------
      // ScrollBarLook also exposes seperate Horizontal and Vertical Appearance,
      // ButtonAppearance, TrackAppearance, and ThumbAppearance
	//-----------------------------------------------------------------------

      // Set seperate horizontal and vertical default appearances
      sbLook.AppearanceHorizontal.BackColor = Color.LightGreen;
      sbLook.AppearanceHorizontal.BackColor2 = Color.White;
      sbLook.AppearanceHorizontal.BackGradientStyle = GradientStyle.ForwardDiagonal;
      sbLook.AppearanceHorizontal.ForeColor = Color.Blue;

      sbLook.AppearanceVertical.BackColor = Color.LightBlue;
      sbLook.AppearanceVertical.BackColor2 = Color.White;
      sbLook.AppearanceVertical.BackGradientStyle = GradientStyle.ForwardDiagonal;
      sbLook.AppearanceVertical.ForeColor = Color.Green;

      // Specify seperate horizontal and vertical scroll button appearances
      sbLook.ButtonAppearanceHorizontal.BackColor = Color.LightGreen;
      sbLook.ButtonAppearanceHorizontal.BackGradientStyle = GradientStyle.None;
      sbLook.ButtonAppearanceHorizontal.ForeColor = Color.DarkGreen;

      sbLook.ButtonAppearanceVertical.BackColor = Color.LightBlue;
      sbLook.ButtonAppearanceVertical.BackGradientStyle = GradientStyle.None;
      sbLook.ButtonAppearanceVertical.ForeColor =  Color.DarkBlue;

      // Specify seperate horizontal and vertical thumb track appearances
      sbLook.TrackAppearanceHorizontal.BackColor = Color.Green;
      sbLook.TrackAppearanceVertical.BackColor = Color.Blue;

      // Specify seperate horizontal and vertical scroll thumb appearances
      sbLook.ThumbAppearanceHorizontal.BackColor = Color.Green;       
      sbLook.ThumbAppearanceVertical.BackColor = Color.Blue;        

	//---------------------------------------------------
	// Set various properties on the ScrollBarInfo object
	//---------------------------------------------------

	// Specify that the scrollbar will be automatically
	// disabled when the Minimum, Maximum and LargeChange
	// values don't permit thumb movement.
	sbInfo.AutoDisable = true;

	// Specify that the # of milliseconds between scroll events
	// when the mouse is held down over on scroll button.
	sbInfo.AutoRepeatDelay = 100;
	
	// Set the button style for the control
	sbInfo.ButtonStyle = UIElementButtonStyle.Button3D;

	// Set the 'Minimum', 'Maximum', 'LargeChange' and 
	// 'SmallChange' properties.
	sbInfo.Minimum = 45;
	sbInfo.Maximum = 85;
	sbInfo.SmallChange = 1;
	sbInfo.LargeChange = 5;
	
	// Note: Instead of setting the individual 4 properties 
	// above you can call the 'Initialize' method and pass
	// the values in as parameters. 

	sbInfo.Initialize(45, 80, 1, 5);

	// Notice, however that the 2nd paramter ('maximumDragValue')
	// is not the same value we set the 'Maximum' property above.
	//
	// The 'Initialize' method takes into account the value
	// of the 'largeChange' parameter and adds that into the
	// 'Maximum' property. In this example the highest 'Value'
	// that can be attained is 80 even though 'Maximum' is
	// set to 85.

	// Initialize the value property
	sbInfo.Value = 45;

	// Set the orientation of the control to be vertical.
	sbInfo.Orientation = Orientation.Vertical;

	// If this property is set to false then scrolling
	// notifications are triggered asynchronously.
	// The default setting is false.
	sbInfo.PriorityScrolling = false;

	// If this proerty is set to true then the
	// thumb will pulse to indicate that the 
	// control has focus.
	sbInfo.ShowsFocus = this.ultraScrollBar1.TabStop;

}