FTPDownloadEx()

Description

Downloads an image from the FTP server.

Syntax

.FTPDownloadEx(fTPServer, fTPRemoteFile, imageType, [optionalAsyncSuccessFunc, optionalAsyncFailureFunc]);

Parameters

<string> fTPServer: specifies the FTP server.
<string> fTPRemoteFile: specifies the path of the file on the FTP server.
EnumDWT_ImageType (int) imageType: specifies the format.


Type Numeric Value
IT_BMP 0
IT_JPG 1
IT_TIF 2
IT_PNG 3
IT_PDF 4

The following two parameters are optional. If either one exists or both exist, the method is asynchronous, otherwise it's synchronous.

<OnSuccess function> optional optionalAsyncSuccessFunc: callback function triggered when the file is downloaded successfully.
<OnFailure function> optional optionalAsyncFailureFunc: callback function triggered when the file failed to be downloaded.

Please refer to the function prototype OnSuccess or OnFailure.

Return value

Only valid when used synchronously.

bool

true indicates success. false indicates failure.

When false is returned, check ErrorCode or ErrorString for error information.