C# Class HelixToolkit.Wpf.MouseGestureHandler

An abstract base class for the mouse gesture handlers.

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Private Properties

Property	Type	Description
SetMouseDownPoint	void

Public Methods

Method	Description
Completed ( HelixToolkit.Wpf.ManipulationEventArgs e ) : void	Occurs when the manipulation is completed.
Delta ( HelixToolkit.Wpf.ManipulationEventArgs e ) : void	Occurs when the position is changed during a manipulation.
Execute ( object sender, System.Windows.Input.ExecutedRoutedEventArgs e ) : void	Executes the mousegesture command.
Started ( HelixToolkit.Wpf.ManipulationEventArgs e ) : void	Occurs when the manipulation is started.
UnProject ( Point p ) : Point3D?	Un projects a point from the screen (2D) to a point on the plane trough the camera target point.
UnProject ( Point p, System.Windows.Media.Media3D.Point3D position, System.Windows.Media.Media3D.Vector3D normal ) : Point3D?	Un projects a point from the screen (2D) to a point on plane (3D)

Protected Methods

Method	Description
CanExecute ( ) : bool	Occurs when the command associated with this handler initiates a check to determine whether the command can be executed on the command target.
GetCursor ( ) : System.Windows.Input.Cursor	Gets the cursor for the gesture.
GetRay ( Point position ) : Ray3D	Get the ray into the view volume given by the position in 2D (screen coordinates)
MouseGestureHandler ( CameraController controller ) : System	Initializes a new instance of the MouseGestureHandler class.
OnInertiaStarting ( int elapsedTime ) : void	Called when inertia is starting.
OnMouseDown ( object sender, System.Windows.Input.MouseEventArgs e ) : void	Called when the mouse button is pressed down.
OnMouseMove ( object sender, System.Windows.Input.MouseEventArgs e ) : void	The on mouse move.
OnMouseUp ( object sender, System.Windows.Input.MouseButtonEventArgs e ) : void	The on mouse up.
Project ( System.Windows.Media.Media3D.Point3D p ) : Point	Calculate the screen position of a 3D point.

Private Methods

Method	Description
SetMouseDownPoint ( Point position ) : void	The set mouse down point.

Method Details

CanExecute() protected method

Occurs when the command associated with this handler initiates a check to determine whether the command can be executed on the command target.

protected CanExecute ( ) : bool
return	bool

Completed() public method

Occurs when the manipulation is completed.

public Completed ( HelixToolkit.Wpf.ManipulationEventArgs e ) : void
e	HelixToolkit.Wpf.ManipulationEventArgs	/// The instance containing the event data. ///
return	void

Delta() public method

Occurs when the position is changed during a manipulation.

public Delta ( HelixToolkit.Wpf.ManipulationEventArgs e ) : void
e	HelixToolkit.Wpf.ManipulationEventArgs	/// The instance containing the event data. ///
return	void

Execute() public method

Executes the mousegesture command.

public Execute ( object sender, System.Windows.Input.ExecutedRoutedEventArgs e ) : void
sender	object	/// The sender. ///
e	System.Windows.Input.ExecutedRoutedEventArgs	/// The event arguments. ///
return	void

GetCursor() protected abstract method

Gets the cursor for the gesture.

protected abstract GetCursor ( ) : System.Windows.Input.Cursor
return	System.Windows.Input.Cursor

GetRay() protected method

Get the ray into the view volume given by the position in 2D (screen coordinates)

protected GetRay ( Point position ) : Ray3D
position	System.Windows.Point	/// A 2D point. ///
return	Ray3D

MouseGestureHandler() protected method

Initializes a new instance of the MouseGestureHandler class.

protected MouseGestureHandler ( CameraController controller ) : System
controller	CameraController	/// The controller. ///
return	System

OnInertiaStarting() protected method

Called when inertia is starting.

protected OnInertiaStarting ( int elapsedTime ) : void
elapsedTime	int	/// The elapsed time (milliseconds). ///
return	void

OnMouseDown() protected method

Called when the mouse button is pressed down.

protected OnMouseDown ( object sender, System.Windows.Input.MouseEventArgs e ) : void
sender	object	/// The sender. ///
e	System.Windows.Input.MouseEventArgs	/// The instance containing the event data. ///
return	void

OnMouseMove() protected method

The on mouse move.

protected OnMouseMove ( object sender, System.Windows.Input.MouseEventArgs e ) : void
sender	object	/// The sender. ///
e	System.Windows.Input.MouseEventArgs	/// The event arguments. ///
return	void

OnMouseUp() protected method

The on mouse up.

protected OnMouseUp ( object sender, System.Windows.Input.MouseButtonEventArgs e ) : void
sender	object	/// The sender. ///
e	System.Windows.Input.MouseButtonEventArgs	/// The event arguments. ///
return	void

Project() protected method

Calculate the screen position of a 3D point.

protected Project ( System.Windows.Media.Media3D.Point3D p ) : Point
p	System.Windows.Media.Media3D.Point3D	/// The 3D point. ///
return	System.Windows.Point

Started() public method

Occurs when the manipulation is started.

public Started ( HelixToolkit.Wpf.ManipulationEventArgs e ) : void
e	HelixToolkit.Wpf.ManipulationEventArgs	/// The instance containing the event data. ///
return	void

UnProject() public method

Un projects a point from the screen (2D) to a point on the plane trough the camera target point.

public UnProject ( Point p ) : Point3D?
p	System.Windows.Point	/// The 2D point. ///
return	Point3D?

UnProject() public method

Un projects a point from the screen (2D) to a point on plane (3D)

public UnProject ( Point p, System.Windows.Media.Media3D.Point3D position, System.Windows.Media.Media3D.Vector3D normal ) : Point3D?
p	System.Windows.Point	/// The 2D point. ///
position	System.Windows.Media.Media3D.Point3D	/// A point on the plane . ///
normal	System.Windows.Media.Media3D.Vector3D	/// The plane normal. ///
return	Point3D?