Class DataTransferService

Default implementation of the IDataTransferService.

Inheritance
System.Object
DataTransferService
Namespace: Telerik.Windows.Controls.Diagrams
Assembly: Telerik.Windows.Controls.Diagrams.dll

Syntax

public class DataTransferService : Object, IDataTransferService

Constructors

DataTransferService(IGraphInternal)

Initializes a new instance of the DataTransferService class.

Declaration
public DataTransferService(IGraphInternal graph)
Parameters
IGraphInternal graph

The diagram control.

Properties

SupportedImageFileExtensions

Gets the supported image file extensions when an image is taken from the clipboard or dragdropped onto the diagram.

Declaration
public static IEnumerable<string> SupportedImageFileExtensions { get; }
Property Value
System.Collections.Generic.IEnumerable<System.String>

Methods

CreateImage(Stream)

The transformation of image stream data to an image.

Declaration
public Image CreateImage(Stream imageStream)
Parameters
System.IO.Stream imageStream

The image stream.
Returns
System.Windows.Controls.Image

Implements

CreateShapeFromImage(Image)

Creates a diagram shape for the given image.

Declaration
public virtual IShape CreateShapeFromImage(Image image)
Parameters
System.Windows.Controls.Image image

The image to wrap in a shape.
Returns
IShape

Implements

HandleDrop(DataObject, Action<DataTransferResult>, Action<DataTransferResult>)

Handles the transfer of data when there is a dragdrop action. This can be both an internal dragdrop (from one control to another within the same application) as well as an external dragdrop (from one application to another or from the file system to an application).

Declaration
public virtual void HandleDrop(DataObject dataObject, Action<DataTransferResult> fileDropAction, Action<DataTransferResult> elementDropAction)
Parameters
System.Windows.DataObject dataObject

The data object being transferred.
System.Action<DataTransferResult> fileDropAction

The file drop action which will handle the result of the external data transfer.
System.Action<DataTransferResult> elementDropAction

The element drop action which will handle the result of the internal data transfer.
Implements

HandlePaste(DataObject, Action<DataTransferResult>)

Handles the transfer of data when a copy-paste or cut-paste was performed.

Declaration
public virtual void HandlePaste(DataObject dataObject, Action<DataTransferResult> action)
Parameters
System.Windows.DataObject dataObject

The data object being transferred.
System.Action<DataTransferResult> action

The action which will handle the result of the clipboard data transfer.
Implements

TryGetDiagramSerializationInfo(String, ref SerializationInfo)

Attempts to fetch the SerializationInfo from the string which supposedly contains a serialized diagram as XML.

Declaration
public bool TryGetDiagramSerializationInfo(string diagramXML, ref SerializationInfo serializationInfo)
Parameters
System.String diagramXML

The diagram XML.
SerializationInfo serializationInfo

The serialization info.
Returns
System.Boolean

Implements

TryGetDiagramSerializationInfo(DataObject, ref SerializationInfo)

Attempts to fetch the SerializationInfo from the Data.

Declaration
public bool TryGetDiagramSerializationInfo(DataObject dataObject, ref SerializationInfo serializationInfo)
Parameters
System.Windows.DataObject dataObject

The data object.
SerializationInfo serializationInfo

The serialization info.
Returns
System.Boolean

TryGetDiagramSerializationInfo(DragEventArgs, ref SerializationInfo)

Attempts to fetch the SerializationInfo from the Data.

Declaration
public bool TryGetDiagramSerializationInfo(DragEventArgs args, ref SerializationInfo serializationInfo)
Parameters
DragEventArgs args

The DragEventArgs instance containing the event data.
SerializationInfo serializationInfo

The serialization info.
Returns
System.Boolean

Extension Methods