C# Class SpiderTreeControl.Diagram.FrictionScrollViewer

Provides a scrollable ScrollViewer which allows user to apply friction, which in turn animates the ScrollViewer position, giving it the appearance of sliding into position

Inheritance: System.Windows.Controls.ScrollViewer

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Public Properties

Property	Type	Description
FrictionProperty	System.Windows.DependencyProperty

Public Methods

Method	Description
ScrollToCenterTarget ( Point target ) : void

Protected Methods

Method	Description
OnMouseDown ( System.Windows.Input.MouseButtonEventArgs e ) : void	Get position and CaptureMouse
OnMouseMove ( System.Windows.Input.MouseEventArgs e ) : void	If IsMouseCaptured scroll to correct position. Where position is updated by animation timer
OnMouseUp ( System.Windows.Input.MouseButtonEventArgs e ) : void	Release MouseCapture if its captured

Private Methods

Method	Description
FrictionScrollViewer ( ) : System	Overrides metadata
HandleWorldTimerTick ( object sender, EventArgs e ) : void	Animation timer tick, used to move the scrollviewer incrementally to the desired position. This also uses the friction setting when determining how much to move the scrollviewer

Method Details

OnMouseDown() protected method

Get position and CaptureMouse

protected OnMouseDown ( System.Windows.Input.MouseButtonEventArgs e ) : void
e	System.Windows.Input.MouseButtonEventArgs
return	void

OnMouseMove() protected method

If IsMouseCaptured scroll to correct position. Where position is updated by animation timer

protected OnMouseMove ( System.Windows.Input.MouseEventArgs e ) : void
e	System.Windows.Input.MouseEventArgs
return	void

OnMouseUp() protected method

Release MouseCapture if its captured

protected OnMouseUp ( System.Windows.Input.MouseButtonEventArgs e ) : void
e	System.Windows.Input.MouseButtonEventArgs
return	void

ScrollToCenterTarget() public method

public ScrollToCenterTarget ( Point target ) : void
target	Point
return	void

Property Details

FrictionProperty public_oe static_oe property

public static DependencyProperty,System.Windows FrictionProperty
return	System.Windows.DependencyProperty