Downloads an image from the HTTP server.

Namespace: Dynamsoft.DotNet.TWAIN
Assembly: DynamicDotNetTWAIN (in DynamicDotNetTWAIN.dll) Version: 3.0.0.0 (3.0.0.0)

Syntax

C#
public bool HTTPDownload(
	string strHTTPServer,
	string strHTTPRemoteFile
)
Visual Basic
Public Function HTTPDownload ( _
	strHTTPServer As String, _
	strHTTPRemoteFile As String _
) As Boolean

Parameters

strHTTPServer
Type: System..::..String
the name of the HTTP server.It should be only the name of the HTTP server, without "http://" or "https://".Port number is not needed here.
strHTTPRemoteFile
Type: System..::..String
the name of the image to be downloaded. It should be the relative path of the file on the HTTP server.

Return Value

True indicates success. False indicates failure.

Remarks

Dynamic .NET TWAIN processes the image format according to the extension of the HTTPRemoteFile. Dynamic .NET TWAIN supports the following types of image files: Bitmap *.bmp, *.dib JPEG *.JPG, *.JPEG, .*.JPE, *.JFIF TIFF *.TIF, *.TIFF PNG *.PNG PDF *.PDF HTTPRemoteFile parameter should include the HTTP directory of the file. The image downloaded will be displayed in Dynamic .NET TWAIN, just as it is acquired from a TWAIN Data Source.

Exceptions

ExceptionCondition
Dynamsoft.DotNet.TWAIN..::..TwainException When an error occurs and IfThrowException property is true, an exception will be thrown. When IfThrowException property is false, please check ErrorCode and ErrorString.

See Also