Class TwainScanHandler

Main class for handling a Scan process. This class control a Scan process and provides a smooth communication between a Scan-controller and a Scan viewer.

Inheritance
System.Object
TwainScanHandler
Inherited Members
System.Object.ToString()
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.ReferenceEquals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
Namespace: Simplic.Twain
Assembly: Simplic.Twain.dll
Syntax
public class TwainScanHandler

Constructors

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TwainScanHandler(ITwainScanController, ITwainDocumentViewer, IntPtr)

Create new handler to provide communication between Scaner, controller and viewer

Declaration
public TwainScanHandler(ITwainScanController twainController, ITwainDocumentViewer twainViewer, IntPtr handle)
Parameters
Type Name Description
ITwainScanController twainController
ITwainDocumentViewer twainViewer
System.IntPtr handle

Handle for working with UI

Properties

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MultipageTiff

Get or set start multipage tiff or scanned document

Declaration
public byte[] MultipageTiff { get; set; }
Property Value
Type Description
System.Byte[]
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PageCount

Get the amount of scanned pages

Declaration
public int PageCount { get; set; }
Property Value
Type Description
System.Int32

Methods

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AddTiffPage(Byte[])

Add a page to the scanned tif

Declaration
public void AddTiffPage(byte[] data)
Parameters
Type Name Description
System.Byte[] data

Tiff as byte-array
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Dispose()

Dispose the current scan process

Declaration
public void Dispose()
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RefreshViewer(ImageChangeTypes)

Refresh the viewer content and reload scanned tiff

Declaration
public void RefreshViewer(ImageChangeTypes changeType)
Parameters
Type Name Description
ImageChangeTypes changeType
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Reset()

Resets the handler

Declaration
public void Reset()

Events

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Completed

Scan completed event-handler

Declaration
public event CompletedEventHandler Completed
Event Type
Type Description
CompletedEventHandler
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OnPageScanned

Will be executed if a page was scanned

Declaration
public event TwainScanHandler.OnPageScannedEventHandler OnPageScanned
Event Type
Type Description
TwainScanHandler.OnPageScannedEventHandler
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OnPageScanning

Declaration
public event TwainScanHandler.OnPageScanningEventHandler OnPageScanning
Event Type
Type Description
TwainScanHandler.OnPageScanningEventHandler