Class ControlNode

This node can be used to host any .NET control inside it.

Inheritance
System.Object
Node
ControlNode
Implements
System.Runtime.Serialization.ISerializable
System.ICloneable
System.IServiceProvider
System.Runtime.Serialization.IDeserializationCallback
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 ControlNode : Node, IUnitIndependent, IDispatchNodeEvents, ISerializable, INode, ICloneable, IServiceReferenceHolder, IServiceReferenceProvider, IPropertyObserver, IPropertyContainer, IServiceProvider, IGraphNode, IDeserializationCallback, IDisposable

Constructors

ControlNode(ControlNode)

Initializes a new instance of the ControlNode class.

Declaration
public ControlNode(ControlNode src)
Parameters
Type Name Description
ControlNode src

The SRC.

ControlNode(SerializationInfo, StreamingContext)

Initializes a new instance of the ControlNode class.

Declaration
protected ControlNode(SerializationInfo info, StreamingContext context)
Parameters
Type Name Description
System.Runtime.Serialization.SerializationInfo info

The info.
System.Runtime.Serialization.StreamingContext context

The context.

ControlNode(Control, RectangleF)

Initializes a new instance of the ControlNode class.

Declaration
public ControlNode(Control ctrlHosting, RectangleF rectBounds)
Parameters
Type Name Description
System.Windows.Forms.Control ctrlHosting

The CTRL hosting.
System.Drawing.RectangleF rectBounds

The rect bounds.

ControlNode(Control, RectangleF, MeasureUnits, Boolean, Boolean)

Initializes a new instance of the ControlNode class.

Declaration
public ControlNode(Control ctrlHosting, RectangleF rectBounds, MeasureUnits measureUnits, bool bKeepControlSize, bool bExcludeOptimizeContentWithOverlay)
Parameters
Type Name Description
System.Windows.Forms.Control ctrlHosting

The CTRL hosting.
System.Drawing.RectangleF rectBounds

The rect bounds.
MeasureUnits measureUnits

The measure units.
System.Boolean bKeepControlSize

Keep the control size as control's image size.
System.Boolean bExcludeOptimizeContentWithOverlay

Exclude the rendering of the control node from the background when OptimizeContentWithOverlay is true.

ControlNode(Control, RectangleF, Boolean, Boolean)

Initializes a new instance of the ControlNode class.

Declaration
public ControlNode(Control ctrlHosting, RectangleF rectBounds, bool bKeepControlSize, bool bExcludeOptimizeContentWithOverlay)
Parameters
Type Name Description
System.Windows.Forms.Control ctrlHosting

The CTRL hosting.
System.Drawing.RectangleF rectBounds

The rect bounds.
System.Boolean bKeepControlSize

Keep the control size as control's image size.
System.Boolean bExcludeOptimizeContentWithOverlay

Exclude the rendering of the control node from the background when OptimizeContentWithOverlay is true.

Fields

m_bExcludeOptimizeContentWithOverlay

Declaration
public bool m_bExcludeOptimizeContentWithOverlay
Field Value
Type
System.Boolean

m_bKeepControlSize

Declaration
public bool m_bKeepControlSize
Field Value
Type
System.Boolean

m_ctrlHosting

Control Host.

Declaration
protected Control m_ctrlHosting
Field Value
Type
System.Windows.Forms.Control

m_localSerializedData

Declaration
protected Hashtable m_localSerializedData
Field Value
Type
System.Collections.Hashtable

Properties

Activated

Gets a value indicating whether Node is activated.

Declaration
public bool Activated { get; }
Property Value
Type
System.Boolean

ActivateStyle

Gets or sets the activate style.

Declaration
public ActivateStyle ActivateStyle { get; set; }
Property Value
Type Description
ActivateStyle

The activate style.

ExcludeOptimizeContentWithOverlay

Gets a value indicating whether the rendering of control node is excluded from the background when OptimizedContentWithOverlay is true. The ExcludeOptimizeContentWithOverlay is only applicable for DiagramWebControl.

Declaration
public bool ExcludeOptimizeContentWithOverlay { get; }
Property Value
Type
System.Boolean

HasSerializedData

Check whether the node has serialized data

Declaration
public bool HasSerializedData { get; }
Property Value
Type
System.Boolean

HCP

Gets hashtable for custom controls properties. Used during serialization.

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

HCParent

Gets or sets the host control parent.

Declaration
public Control HCParent { get; set; }
Property Value
Type Description
System.Windows.Forms.Control

The host control parent.

HostingControl

Gets or sets the hosting control.

Declaration
public Control HostingControl { get; set; }
Property Value
Type Description
System.Windows.Forms.Control

The hosting control.

KeepControlSize

Gets a value indicating whether control size is used to print the control.

Declaration
public bool KeepControlSize { get; }
Property Value
Type
System.Boolean

Snapshot

Gets the hosting control snapshot.

Declaration
public Image Snapshot { get; }
Property Value
Type Description
System.Drawing.Image

The snapshot.

Methods

Activate(PointF)

Activate ControlNode.

Declaration
public void Activate(PointF ptHCLocation)
Parameters
Type Name Description
System.Drawing.PointF ptHCLocation

Hosting control location in client coordinates.

Clone()

Clones this instance.

Declaration
public override object Clone()
Returns
Type Description
System.Object

A new object that is a copy of this instance.
Overrides

Deactivate()

Deactivates control node.

Declaration
public void Deactivate()

DeSerializeNode()

Deserializes the node.

Declaration
public virtual void DeSerializeNode()

DeSerializeNode(Hashtable)

Deserializes the node.

Declaration
public virtual void DeSerializeNode(Hashtable hashProperties)
Parameters
Type Name Description
System.Collections.Hashtable hashProperties

To deserialize the hosted control's needed proeperties

DoSizeRelatedActions(SizeF, SizeF)

Performs additional changes on size value changed.

Declaration
protected override void DoSizeRelatedActions(SizeF szOldSize, SizeF szNewSize)
Parameters
Type Name Description
System.Drawing.SizeF szOldSize

Old size value.
System.Drawing.SizeF szNewSize

New size value.
Overrides

GetObjectData(SerializationInfo, StreamingContext)

Gets the object data.

Declaration
protected override void GetObjectData(SerializationInfo info, StreamingContext context)
Parameters
Type Name Description
System.Runtime.Serialization.SerializationInfo info

The info.
System.Runtime.Serialization.StreamingContext context

The context.
Overrides

OnPropertyChanged(String, String)

Called when property changed.

Declaration
public override void OnPropertyChanged(string strPropertyContainerName, string strPropertyName)
Parameters
Type Name Description
System.String strPropertyContainerName

Name of the property container.
System.String strPropertyName

Name of the property.
Overrides

Render(Graphics)

Renders shapes visual representation. on given graphics

Declaration
protected override void Render(Graphics gfx)
Parameters
Type Name Description
System.Drawing.Graphics gfx

Graphics to draw on
Overrides

SerializeNode()

Serialize the node

Declaration
public virtual void SerializeNode()

SerializeNode(Hashtable)

Serialize the node

Declaration
public virtual void SerializeNode(Hashtable hashProperties)
Parameters
Type Name Description
System.Collections.Hashtable hashProperties

To serialize the hosted control's needed proeperties

UpdateControlSnapshot()

Updates the HostingControl's snapshot.

Declaration
public void UpdateControlSnapshot()

Implements

System.Runtime.Serialization.ISerializable
System.ICloneable
System.IServiceProvider
System.Runtime.Serialization.IDeserializationCallback
System.IDisposable