Class HandleRenderer

Renderer used to render the handle.

Inheritance

System.Object

HandleRenderer

Implements

System.IDisposable

Inherited Members

System.Object.Equals(System.Object)

System.Object.Equals(System.Object, System.Object)

System.Object.GetHashCode()

System.Object.GetType()

System.Object.MemberwiseClone()

System.Object.ReferenceEquals(System.Object, System.Object)

System.Object.ToString()

Namespace: Syncfusion.Windows.Forms.Diagram

Assembly: Syncfusion.Diagram.Base.dll

Syntax

public class HandleRenderer : IDisposable

Constructors

HandleRenderer()

Initializes a new instance of the HandleRenderer class.

Declaration

public HandleRenderer()

Properties

HandleColor

Gets or sets the color of the handle.

Declaration

public Color HandleColor { get; set; }

Property Value

Type	Description
System.Drawing.Color	The color of the handle.

HandleDisabledColor

Gets or sets the color of the handle disabled.

Declaration

public Color HandleDisabledColor { get; set; }

Property Value

Type	Description
System.Drawing.Color	The color of the handle disabled.

HandleOutlineColor

Gets or sets the color of the handle outline.

Declaration

public Color HandleOutlineColor { get; set; }

Property Value

Type	Description
System.Drawing.Color	The color of the handle outline.

Methods

CreateParentMatrix(Node)

Creates the parent matrix.

Declaration

public Matrix CreateParentMatrix(Node node)

Parameters

Type	Name	Description
Node	node	The node.

Returns

Type	Description
System.Drawing.Drawing2D.Matrix	The matrix.

Dispose()

Declaration

public virtual void Dispose()

DrawEndPoint(Graphics, EndPoint, PointF)

Draw endPoint handle in specific position.

Declaration

public void DrawEndPoint(Graphics gfx, EndPoint endPoint, PointF ptPosition)

Parameters

Type	Name	Description
System.Drawing.Graphics	gfx	Graphics to draw on.
EndPoint	endPoint	EndPoint handle.
System.Drawing.PointF	ptPosition	EndPoint position.

DrawEndPoints(Graphics, Node)

Draws the end points.

Declaration

public void DrawEndPoints(Graphics gfx, Node endPointContainer)

Parameters

Type	Name	Description
System.Drawing.Graphics	gfx	Graphics to draw on.
Node	endPointContainer	The end point container.

DrawPinPoint(Graphics, Node)

Draws the pin point.

Declaration

public void DrawPinPoint(Graphics gfx, Node node)

Parameters

Type	Name	Description
System.Drawing.Graphics	gfx	The graphics.
Node	node	The node.

DrawRotationHandle(Graphics, Node)

Draws the rotation handle.

Declaration

public void DrawRotationHandle(Graphics gfx, Node node)

Parameters

Type	Name	Description
System.Drawing.Graphics	gfx	The graphics.
Node	node	The node.

DrawRotationHandles(Graphics, Node)

Draws the rotation handles.

Declaration

public void DrawRotationHandles(Graphics gfx, Node node)

Parameters

Type	Name	Description
System.Drawing.Graphics	gfx	The graphics.
Node	node	The node.

DrawSelectionHandles(Graphics, Node)

Draws the selection handles.

Declaration

public void DrawSelectionHandles(Graphics gfx, Node node)

Parameters

Type	Name	Description
System.Drawing.Graphics	gfx	The graphics.
Node	node	The node.

DrawSelectionHandles(Graphics, Node, Boolean)

Draws the selection handles.

Declaration

public void DrawSelectionHandles(Graphics gfx, Node node, bool bWithoutRotation)

Parameters

Type	Name	Description
System.Drawing.Graphics	gfx	The graphics.
Node	node	The node.
System.Boolean	bWithoutRotation	if set to true handles will draw on outline.

DrawSelectionHandles(Graphics, Node, RectangleF, Matrix, Boolean)

Renders selection/resize handles. Override this method to change appearance and positioning of selection/resize handles.

Declaration

public void DrawSelectionHandles(Graphics gfx, Node node, RectangleF rcBoundary, Matrix mtxTransform, bool bWithoutRotation)

Parameters

Type	Name	Description
System.Drawing.Graphics	gfx	The graphics.
Node	node	The node.
System.Drawing.RectangleF	rcBoundary	Rectangle which has all node elements (ports, labels, etc).
System.Drawing.Drawing2D.Matrix	mtxTransform	Transformation matrix
System.Boolean	bWithoutRotation	if set to true to skip rotation transformation.

DrawVertexHandle(Graphics, Brush, Pen, PointF)

Draws the vertex handle.

Declaration

public static void DrawVertexHandle(Graphics gfx, Brush brushVertextFill, Pen penVertexOutline, PointF ptHandle)

Parameters

Type	Name	Description
System.Drawing.Graphics	gfx	The graphics.
System.Drawing.Brush	brushVertextFill	Brush used to fill vertex interior.
System.Drawing.Pen	penVertexOutline	Pen used to draw vertex outline.
System.Drawing.PointF	ptHandle	The rect handle.

DrawVertexHandles(Graphics, PathNode)

Draws the vertex handles.

Declaration

public void DrawVertexHandles(Graphics gfx, PathNode node)

Parameters

Type	Name	Description
System.Drawing.Graphics	gfx	The graphics.
PathNode	node	The node.

GetBoundingRect(NodeCollection)

Gets the bounding rect.

Declaration

public Rectangle GetBoundingRect(NodeCollection nodes)

Parameters

Type	Name	Description
NodeCollection	nodes	The nodes.

Returns

Type	Description
System.Drawing.Rectangle	The bounding rect.

GetHandlePosition(BoxPosition, Node)

Gets the handle position.

Declaration

public PointF GetHandlePosition(BoxPosition handle, Node node)

Parameters

Type	Name	Description
BoxPosition	handle	The handle.
Node	node	The node.

Returns

Type	Description
System.Drawing.PointF	The point

GetHandlePosition(BoxPosition, RectangleF)

Gets the handle position.

Declaration

public PointF GetHandlePosition(BoxPosition handle, RectangleF nodeBounds)

Parameters

Type	Name	Description
BoxPosition	handle	The handle.
System.Drawing.RectangleF	nodeBounds	The node bounds.

Returns

Type	Description
System.Drawing.PointF	The handle position.

OutlineBoundingRectangle(Graphics, Node)

Outlines the bounding rectangle.

Declaration

public void OutlineBoundingRectangle(Graphics gfx, Node node)

Parameters

Type	Name	Description
System.Drawing.Graphics	gfx	Graphics to draw on.
Node	node	The node.

OutlineBoundingRectangle(Graphics, Node, Boolean)

Outlines the bounding rectangle.

Declaration

public void OutlineBoundingRectangle(Graphics gfx, Node node, bool bWithoutRotation)

Parameters

Type	Name	Description
System.Drawing.Graphics	gfx	Graphics to draw on.
Node	node	The node.
System.Boolean	bWithoutRotation	if set to true to draw outline bounds without rotation.

OutlineBoundingRectangle(Graphics, RectangleF, Matrix)

Outlines the bounding rectangle.

Declaration

public void OutlineBoundingRectangle(Graphics gfx, RectangleF rcBoundingRectangle, Matrix mtxTransfrom)

Parameters

Type	Name	Description
System.Drawing.Graphics	gfx	Graphics to draw on.
System.Drawing.RectangleF	rcBoundingRectangle	The bounding rectangle.
System.Drawing.Drawing2D.Matrix	mtxTransfrom	Matrix transformations.

OutlineSegmentsLine(Graphics, PathNode)

Outlines the segments line.

Declaration

public void OutlineSegmentsLine(Graphics gfx, PathNode node)

Parameters

Type	Name	Description
System.Drawing.Graphics	gfx	Graphics to draw on.
PathNode	node	The node.

Render(Graphics, HandleEditMode, Node)

General rendering method. Override this method to fully change handles rendering.

Declaration

public virtual void Render(Graphics grfx, HandleEditMode handleEditMode, Node node)

Parameters

Type	Name	Description
System.Drawing.Graphics	grfx	Graphics to draw on.
HandleEditMode	handleEditMode	The handle edit mode.
Node	node	The node.

Implements

System.IDisposable