Class ResizeTool

Interactive tool for resizing nodes.

Inheritance
System.Object
Tool
ResizeTool
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.Windows.dll
Syntax
public class ResizeTool : Tool, IDisposable
Remarks

Tool

Constructors

ResizeTool(DiagramController, Node, BoxPosition, Tool)

Initializes a new instance of the ResizeTool class.

Declaration
public ResizeTool(DiagramController controller, Node nodeResizing, BoxPosition handleHit, Tool toolPrevious)
Parameters
Type Name Description
DiagramController controller

The controller.
Node nodeResizing

The node resizing.
BoxPosition handleHit

The handle hit.
Tool toolPrevious

The tool previous.

Properties

RenderHelper

Gets the rendering helper node.

Declaration
public Node RenderHelper { get; }
Property Value
Type Description
Node

The rendering helper.
Remarks

Node clone of current node resizing for tracking.

Snapshots

Gets the snapshots hash where key is node and value - caches image.

Declaration
protected Hashtable Snapshots { get; }
Property Value
Type Description
System.Collections.Hashtable

The snapshots.

Methods

Abort()

Deactivate tool.

Declaration
public override Tool Abort()
Returns
Type Description
Tool

The tool.
Overrides

ActivateTool()

Activate resize tool.

Declaration
public override void ActivateTool()
Overrides

AppendHandleFlip(ref BoxPosition, Node)

Appends node flip to handle.

Declaration
public static void AppendHandleFlip(ref BoxPosition handle, Node node)
Parameters
Type Name Description
BoxPosition handle

Box position
Node node

The node
Remarks

Flip BoxPosition handle horizontally and/or vertically using node property flip.

CanResize()

Determines whether this instance can resize the specified node hit.

Declaration
protected bool CanResize()
Returns
Type Description
System.Boolean

true if this instance can resize the specified node hit; otherwise, false.

CanResize(SizeF)

Determines whether this instance can resize the specified node hit.

Declaration
protected bool CanResize(SizeF szOffset)
Parameters
Type Name Description
System.Drawing.SizeF szOffset

The size offset.
Returns
Type Description
System.Boolean

true if this instance can resize the specified node hit; otherwise, false.

DeactivateTool()

Deactivates the tool.

Declaration
public override void DeactivateTool()
Overrides

Dispose()

Declaration
public override void Dispose()
Overrides

Draw(Graphics)

Draw resizing helper node.

Declaration
public override void Draw(Graphics gfx)
Parameters
Type Name Description
System.Drawing.Graphics gfx

The graphics.
Overrides
Remarks

Draw clone of resizing node with applying alter style.

DrawRenderHelper(Node, Graphics)

Draws render helper

Declaration
protected override void DrawRenderHelper(Node renderHelper, Graphics gfx)
Parameters
Type Name Description
Node renderHelper

The render helper.
System.Drawing.Graphics gfx

Graphics to draw on.
Overrides

GetResizeCursors(BoxPosition, Node)

Get Cursor for resize with node rotate.

Declaration
public static BoxPosition GetResizeCursors(BoxPosition handlePos, Node node)
Parameters
Type Name Description
BoxPosition handlePos

Get current position
Node node

The node.
Returns
Type Description
BoxPosition

Box position

OnOriginChanged(ViewOriginEventArgs)

Raise the origin changed event.

Declaration
protected override void OnOriginChanged(ViewOriginEventArgs evtArgs)
Parameters
Type Name Description
ViewOriginEventArgs evtArgs

The ViewOriginEventArgs instance containing the event data.
Overrides

ProcessMouseDown(MouseEventArgs)

Processes the mouse down.

Declaration
public override Tool ProcessMouseDown(MouseEventArgs evtArgs)
Parameters
Type Name Description
System.Windows.Forms.MouseEventArgs evtArgs

The System.Windows.Forms.MouseEventArgs instance containing the event data.
Returns
Type Description
Tool

The tool.
Overrides

ProcessMouseMove(MouseEventArgs)

Processes the mouse move.

Declaration
public override Tool ProcessMouseMove(MouseEventArgs evtArgs)
Parameters
Type Name Description
System.Windows.Forms.MouseEventArgs evtArgs

The System.Windows.Forms.MouseEventArgs instance containing the event data.
Returns
Type Description
Tool

The tool.
Overrides

ProcessMouseUp(MouseEventArgs)

Processes the mouse up.

Declaration
public override Tool ProcessMouseUp(MouseEventArgs evtArgs)
Parameters
Type Name Description
System.Windows.Forms.MouseEventArgs evtArgs

The System.Windows.Forms.MouseEventArgs instance containing the event data.
Returns
Type Description
Tool

The tool.
Overrides

UpdateSizeAndPinPosition(Node, BoxPosition, SizeF)

Updates size and pin point position.

Declaration
protected void UpdateSizeAndPinPosition(Node node, BoxPosition posHandle, SizeF offset)
Parameters
Type Name Description
Node node

The node.
BoxPosition posHandle

The position handle.
System.Drawing.SizeF offset

The offset.

Implements

System.IDisposable