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On this page
  • Constructors
  • DataObject()
  • DataObject(data)
  • DataObject(format, data)
  • DataObject(format, data)
  • Methods
  • ContainsAudio()
  • ContainsFileDropList()
  • ContainsImage()
  • ContainsText()
  • ContainsText(format)
  • GetAudioStream()
  • GetData(format)
  • GetData(format)
  • GetData(format, autoConvert)
  • GetDataPresent(format)
  • GetDataPresent(format)
  • GetDataPresent(format, autoConvert)
  • GetFileDropList()
  • GetFiles()
  • GetFormats()
  • GetFormats(autoConvert)
  • GetImage()
  • GetText()
  • GetText(format)
  • SetAudio(audioBytes)
  • SetAudio(audioStream)
  • SetData(data)
  • SetData(format, data)
  • SetData(format, data)
  • SetData(format, autoConvert, data)
  • SetDownloadURL(url, fileName)
  • SetFileDropList(filePaths)
  • SetFileDropList(filePaths)
  • SetImage(image)
  • SetText(textData)
  • SetText(textData, format)
  • Implements

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  1. Wisej.Web
  2. General

DataObject

Wisej.Web.DataObject

Last updated 1 month ago

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Namespace: Wisej.Web

Assembly: Wisej.Framework (4.0.0.0)

Implements a basic data transfer mechanism.

public class DataObject : IDataObject
Public Class DataObject
    Inherits IDataObject

Constructors

DataObject()

Initializes a new instance of the DataObject class.

DataObject(data)

Initializes a new instance of the DataObject class and adds the specified object to it.

Name
Type
Description

data

The data to store.

DataObject(format, data)

Initializes a new instance of the DataObject class and adds the specified object in the specified format.

Name
Type
Description

format

data

The data to store.

DataObject(format, data)

Initializes a new instance of the DataObject class and adds the specified object in the specified format.

Name
Type
Description

format

data

The data to store.

Methods

Indicates whether the data object contains data in the WaveAudio format.

Returns: Boolean. true if the data object contains audio data; otherwise, false.

Indicates whether the data object contains data that is in the FileDrop format or can be converted to that format.

Returns: Boolean. true if the data object contains a file drop list; otherwise, false.

Indicates whether the data object contains data that is in the Bitmap format or can be converted to that format.

Returns: Boolean. true if the data object contains image data; otherwise, false.

Indicates whether the data object contains data in the UnicodeText format.

Returns: Boolean. true if the data object contains text data; otherwise, false.

Indicates whether the data object contains text data in the format indicated by the specified TextDataFormat value.

Parameter
Type
Description

format

Returns: Boolean. true if the data object contains text data in the specified format; otherwise, false.

Retrieves an audio stream from the data object.

Returns: Stream. A Stream containing audio data or null if the data object does not contain any data in the WaveAudio format.

Returns the data associated with the specified class type format.

Parameter
Type
Description

format

Returns: Object. The data associated with the specified format, or null.

Returns the data associated with the specified data format.

Parameter
Type
Description

format

Returns: Object. The data associated with the specified format, or null.

Returns the data associated with the specified data format, using an automated conversion parameter to determine whether to convert the data to the format.

Parameter
Type
Description

format

autoConvert

true to the convert data to the specified format; otherwise, false.

Returns: Object. The data associated with the specified format, or null.

Determines whether data stored in this DataObject is associated with, or can be converted to, the specified format.

Parameter
Type
Description

format

Returns: Boolean. true if data stored in this DataObject is associated with, or can be converted to, the specified format; otherwise, false.

Returns the data associated with the specified class type format.

Parameter
Type
Description

format

Returns: Boolean. The data associated with the specified format, or null.

Determines whether this DataObject contains data in the specified format or, optionally, contains data that can be converted to the specified format.

Parameter
Type
Description

format

autoConvert

Returns: Boolean. true if the data is in, or can be converted to, the specified format; otherwise, false.

Returns the list of file types from the data object.

Returns: String[]. A string array containing the file types in the data object.

Returns the HttpFileCollection of files uploaded by the client in a drag & drop operation.

Returns: HttpFileCollection. A string array containing the file types in the data object.

Returns a list of all formats that data stored in this DataObject is associated with or can be converted to.

Returns: String[]. An array of type String, containing a list of all formats that are supported by the data stored in this object.

Returns a list of all formats that data stored in this DataObject is associated with or can be converted to, using an automatic conversion parameter to determine whether to retrieve only native data formats or all formats that the data can be converted to.

Parameter
Type
Description

autoConvert

Returns: String[]. An array of type String, containing a list of all formats that are supported by the data stored in this object.

Retrieves an image from the data object.

Returns: Image. An Image representing the image data in the data object or null if the data object does not contain any data that is in the Bitmap format or can be converted to that format.

Retrieves text data from the data object in the UnicodeText format.

Returns: String. The text data in the data object or Empty if the data object does not contain data in the UnicodeText format.

Retrieves text data from the data object in the format indicated by the specified TextDataFormat value.

Parameter
Type
Description

format

Returns: String. The text data in the data object or Empty if the data object does not contain data in the specified format.

Adds a Byte array to the data object in the WaveAudio format after converting it to a Stream.

Parameter
Type
Description

audioBytes

Throws:

  • ArgumentNullExceptionaudioBytes is null.

Adds a Stream to the data object in the WaveAudio format.

Parameter
Type
Description

audioStream

Throws:

  • ArgumentNullExceptionaudioStream is null.

Adds the specified object to the DataObject using the object type as the data format.

Parameter
Type
Description

data

The data to store.

Adds the specified object to the DataObject using the specified type as the format.

Parameter
Type
Description

format

data

The data to store.

Adds the specified object to the DataObject using the specified format.

Parameter
Type
Description

format

data

The data to store.

Adds the specified object to the DataObject using the specified format and indicating whether the data can be converted to another format.

Parameter
Type
Description

format

autoConvert

true to allow the data to be converted to another format; otherwise, false.

data

The data to store.

Adds a url using DownloadURL format. The specified url is parsed to compose the DownloadURL as: "mime-type:file-name:url".

Parameter
Type
Description

url

The url to the file to download.

fileName

The name of the file to download from the url.

Adds a collection of file names to the data object in the FileDrop format.

Parameter
Type
Description

filePaths

Throws:

  • ArgumentNullExceptionfilePaths is null.

Adds a collection of file names to the data object in the FileDrop format.

Parameter
Type
Description

filePaths

Throws:

  • ArgumentNullExceptionfilePaths is null.

Adds an Image to the data object in the Bitmap format.

Parameter
Type
Description

image

Throws:

  • ArgumentNullExceptionimage is null.

Adds text data to the data object in the UnicodeText format.

Parameter
Type
Description

textData

The text to add to the data object.

Throws:

  • ArgumentNullExceptiontextData is null or Empty.

Adds text data to the data object in the format indicated by the specified TextDataFormat value.

Parameter
Type
Description

textData

The text to add to the data object.

format

Throws:

  • ArgumentNullExceptiontextData is null or Empty.

Implements

Name
Description

Provides a format-independent mechanism for transferring data.

The format of the specified data. See for predefined formats.

A representing the format of the data.

ContainsAudio()

ContainsFileDropList()

ContainsImage()

ContainsText()

ContainsText(format)

One of the values.

GetAudioStream()

GetData(format)

A representing the format of the data to retrieve.

GetData(format)

The format of the data to retrieve. See for predefined formats.

GetData(format, autoConvert)

The format of the data to retrieve. See for predefined formats.

GetDataPresent(format)

A representing the format to check for.

GetDataPresent(format)

A representing the format of the data to retrieve.

GetDataPresent(format, autoConvert)

The format to check for. See for predefined formats.

true to determine whether data stored in this can be converted to the specified format; false to check whether the data is in the specified format.

GetFileDropList()

GetFiles()

GetFormats()

GetFormats(autoConvert)

true to retrieve all formats that data stored in this is associated with, or can be converted to; false to retrieve only native data formats.

GetImage()

GetText()

GetText(format)

One of the values.

SetAudio(audioBytes)

A array containing the audio data.

SetAudio(audioStream)

A containing the audio data.

SetData(data)

SetData(format, data)

A representing the format associated with the data.

SetData(format, data)

The format associated with the data. See for predefined formats.

SetData(format, autoConvert, data)

The format associated with the data. See for predefined formats.

SetDownloadURL(url, fileName)

SetFileDropList(filePaths)

A containing the file names.

SetFileDropList(filePaths)

A containing the file names.

SetImage(image)

The to add to the data object.

SetText(textData)

SetText(textData, format)

One of the values.

Object
String
DataFormats
Object
Type
Type
Object
TextDataFormat
TextDataFormat
Type
Type
String
DataFormats
String
DataFormats
Boolean
Type
Type
String
Type
String
DataFormats
Boolean
DataObject
Boolean
DataObject
TextDataFormat
TextDataFormat
Byte[]
Byte
Stream
Stream
Object
Type
Type
Object
String
DataFormats
Object
String
DataFormats
Boolean
Object
String
String
StringCollection
StringCollection
String[]
StringCollection
Image
Image
String
String
TextDataFormat
TextDataFormat
IDataObject