Dynamic .NET TWAIN 是基於Microsoft .NET Framework 2.0的TWAIN組件。它經過優化，是使用C＃和VB .NET和提供支援WinForms和WPF的桌面應用程式。有了TWAIN資料庫，安裝了TWAIN驅動程式，你就可以控制任何TWAIN設備 - 掃描儀，數位相機或視頻捕捉卡 - 。獲取的圖像和掃描文檔後，你可以做一些編輯，然後保存在本地電腦或上傳到Web伺服器。

Dynamic .NET TWAIN兼容於是TWAIN Specification V 1.9。支援高級的截取功能提供最佳的易用性，即使是在高要求的應用程式下也能提供靈活的控制性。有了精心設計的界面和內建的嚮導模式，Dynamic .NET TWAIN是非常容易使用的。您可以用幾個分行代碼做TWAIN掃描工作。支援自動吸取資料，雙面掃描以及許多其他功能。您可以使用 Dynamic .NET TWAIN發佈最終用戶的桌面應用程序作為運行時的組件。

Both WinForm and WPF are supported. With the component, you can fully control:

	Scanners and other TWAIN compliant devices. Dynamic .NET TWAIN API is compatible with TWAIN Specification v2.1. With this compatibility, you can acquire images from any TWAIN compliant devices - scanners, digital cameras, capture cards, etc.
	USB video device class (UVC) and WIA compliant webcams. You can use the SDK to capture images and live streams from a selected webcam.

Highlights

• Customizable image scanning and loading process
• Compatible with TWAIN Specification 2.3, backward compatible with earlier versions
• Save and upload images to a local disk, FTP site, web server or database
• Supports BMP, JPEG, PNG, TIFF, multi-page TIFF file formats
• WinForms & WPF controls available for most components
• Supports WinForms (.NET Framework V2.0 SP2 and above) and WPF (.NET Framework V3.5 SP 1 and above)
• Compatible with DirectShow
• Supports .NET 32 and 64 bit
• Supports AnyCPU (x86/x64) build
• Supports accessing 32-bit TWAIN drivers from 32-bit and 64-bit applications
• Optional Barcode and OCR recognition add-on
• Optional Annotation add-on
   

Features
Capture Images from Scanners and Webcams
Acquire images from scanners and other TWAIN compliant devices

• Supports Native, Buffered Memory, and Disk File image transfer modes.
• Supports batch scanning with Auto Document Feeder (ADF).
• Supports the modification of common device features using TWAIN properties. Modifiable features include IfAutoFeed, IfAutoScan, Resolution, BitDepth, Brightness, Contrast, Unit, Duplex, and so on.
• Supports blank page detection.
• Supports changing and saving scanner profiles.

Capture Images from UVC and WIA compliant webcams.

• Capture images and display live stream from a selected webcam.
• Customize camera properties:
  • Resolution, Framerate, MediaType
  • Brightness, Contrast, Hue, Saturation, Sharpness,
  • Gamma, White Balance, BacklightCompensation, Gain, ColorEnable, Zoom, Focus, Exposure, Iris, Pan, Tilt, Roll

Related Imaging Modules

Barcode Generator & Reader:
Read/write 1D&2D barcodes from/to images.

Optical Character Recognition:
OCR images to convert them to a searchable PDF, text file or string. Many different Asian languages are supported, as well as Arabic.

Create, Rasterize or Annotate PDFs:
There are three main features with the PDF add-on: save captured images as PDF files, convert PDF files to images for viewing and editing, and add annotations to a PDF file.

Robust Image Loading/Viewing Support

Supports loading images in BMP, JPEG, PNG, TIFF, multi-page TIFF.
Supports zoom in/out.
Images can be loaded from a local disk, FTP site, HTTP site, or database.
BMP, JPEG, PNG, and TIFF image decoding with one of the most comprehensive sets of .NET imaging components.

Advanced Image Editing

Supports advanced image editing features, including Rotate, Flip, Mirror, Crop, Erase, etc.
Supports annotation.
Supports managing scanned images by its GUID (Globally Unique Identifier).

Save & Upload / Download

Supports reading and writing images via file stream.
Supports saving acquired images to local disk, web server or database in BMP, JPEG, PNG, TIFF, multi-page TIFF.\
Supports RLE, G3/G4, LZW, PackBits, and TIFF compression.
Supports uploading and downloading via HTTPS.
Supports BMP, JPEG, PNG, and TIFF image encoding via one of the most comprehensive set of .NET imaging components available.
Supports appending newly acquired images to TIFF documents.

Deployment

Supports Xcopy deployment.
Royalty-free runtime distribution.

產品比較

	Dynamic Web TWAIN	Dynamic .NET TWAIN
General
Application Type	Web Application	Desktop Application WinForms & WPF
Client OS	Windows & Mac	Windows
Specification	TWAIN 2.1	TWAIN2.1/UVC/WIA
Supported Devices	Scanners, Cameras, etc.	Scanners, Cameras, Webcams, etc.
SDK Types	ActiveX/Plug-in on Windows & Mac	.NET Component
Security
Digital Signature	●	●
SSL	●	●
DEP Compatible	●	●
Windows Authentication	●	●
Forms Authentication	●	●
Basic Authentication	●	●
Protected Mode	●
Scanning
Customizable: UI, Resolution, Pixel Type, ADF, Duplex, Brightness, Contrast, etc.	●	●
Image Load	●	●
Three Transfer Modes	●	●
Live Video Stream		●
Image Edit
Rotate/Crop/Mirror/Flip	●	●
Change Image Size	●	●
Switch Images in Buffer	●	●
Append & Insert Images	●	●
Zoom In/Out	●	●
Erase	●	●
Save & Upload
Upload/download Image through HTTP and FTP	●	●
Upload and Download Image through Proxy	●	●
Cookie/Session	●	●
Multi-thread
Supported Formats
BMP	●	●
JPEG	●	●
PNG	●	●
(Multi-page) PDF	●	●
(Multi-page) TIFF	●	●
RLE, G3, G4, LZW, PackBits TIFF Compression	●	●

Dynamsoft Barcode Reader
Barcode scanning SDK for desktop and web applications

Supported Barcode Symbologies

Linear Barcodes (1D):
Code 39, Code 93, Code 128, Codabar, Interleaved 2 of 5, EAN-8, EAN-13, UPC-A, UPC-E, Industrial 2 of 5

2D Barcodes:
QR code, Data Matrix, PDF417, Aztec Code

Languages and Environment

APIs
C, C++, ActiveX/COM, .NET, PHP
Languages
C#, VB.net, Java, C++, VBScript, JavaScript, Python, Perl, Ruby, Swift, Objective-C, etc.

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