SharePointClient Class

Summary
Provides client access support to Microsoft SharePoint servers.
Syntax
C#
VB
C++
public class SharePointClient 
  
Public Class SharePointClient  
public ref class SharePointClient  
Remarks

The SharePointClient class provides client access support for Microsoft SharePoint Servers. This class allows you to:

Example

This example will connect to a Microsoft SharePoint Server to download an image file. It will then invert the image before uploading it back to the Sharepoint Server.

C#
VB
using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.ImageProcessing; 
using Leadtools.ImageProcessing.Color; 
using Leadtools.SharePoint.Client; 
 
private static void SharePointClientExample() 
{ 
   // Replace SHAREPOINT_SITE_URI with a valid URL to a SharePoint site, for example 
   // http://SiteCollection/MySite 
   Uri siteUri = new Uri(SHAREPOINT_SITE_URI); 
 
   // Replace SHAREPOINT_FOLDER_NAME with a valid folder on the site above, for example 
   // "Documents" or "Documents\Sub Documents" 
   string folderName = SHAREPOINT_FOLDER_NAME; 
 
   // Replace SHAREPOINT_DOCUMENT_NAME with a valid document on the folder above, for example 
   // MyDocument.tif 
   string documentName = SHAREPOINT_DOCUMENT_NAME; 
 
   // Build the full URL to the document are we going to download 
   UriBuilder builder = new UriBuilder(siteUri); 
   builder.Path = Path.Combine(builder.Path, folderName); 
   builder.Path = Path.Combine(builder.Path, documentName); 
   Uri sourceDocumentUri = builder.Uri; 
 
   SharePointClient spClient = new SharePointClient(); 
 
   // Optional: Set the credentials: 
   if (USER_NAME != null) 
   { 
      spClient.Credentials = new NetworkCredential(USER_NAME, PASSWORD, DOMAIN); 
   } 
 
   // Optional: If you must use a Proxy server to connect to SharePoint, set it up: 
   if (PROXY_HOST != null) 
   { 
      WebProxy proxy = new WebProxy(PROXY_HOST, PROXY_PORT); 
      spClient.Proxy = proxy; 
   } 
 
   string tempFileName = Path.GetTempFileName(); 
   try 
   { 
      // Download the SharePoint item to the temporary file 
      Console.WriteLine("Downloading {0}", sourceDocumentUri); 
      spClient.DownloadFile(sourceDocumentUri, tempFileName); 
 
      // Load the image 
      using (RasterCodecs codecs = new RasterCodecs()) 
      { 
         using (RasterImage image = codecs.Load(tempFileName)) 
         { 
            // Invert it 
            Console.WriteLine("Inverting"); 
            new InvertCommand().Run(image); 
 
            // Save it back to the same file 
            Console.WriteLine("Saving back to disk"); 
            codecs.Save(image, tempFileName, image.OriginalFormat, image.BitsPerPixel); 
         } 
      } 
 
      // Upload the file back with a new name (OriginalName_Inverted.ext) 
      string name = Path.GetFileNameWithoutExtension(documentName); 
      string ext = Path.GetExtension(documentName); 
 
      name = name + "_Inverted"; 
      name = Path.ChangeExtension(name, ext); 
 
      // Get the destination path (destination folder + file name) 
      string destinationPath = Path.Combine(folderName, name); 
 
      Console.WriteLine("Uploading to {0}", destinationPath); 
      // Make sure to overwrite the file if it already exists 
      spClient.OverwriteExistingFiles = true; 
      spClient.UploadFile(tempFileName, siteUri, destinationPath); 
   } 
   finally 
   { 
      // Delete the temporary file 
      File.Delete(tempFileName); 
   } 
} 
Imports Leadtools 
Imports Leadtools.Codecs 
Imports Leadtools.ImageProcessing 
Imports Leadtools.ImageProcessing.Color 
Imports Leadtools.SharePoint.Client 
 
Private Shared Sub SharePointClientExample() 
   ' Replace SHAREPOINT_SITE_URI with a valid URL to a SharePoint site, for example 
   ' http://SiteCollection/MySite 
   Dim siteUri As New Uri(SHAREPOINT_SITE_URI) 
 
   ' Replace SHAREPOINT_FOLDER_NAME with a valid folder on the site above, for example 
   ' "Documents" or "Documents\Sub Documents" 
   Dim folderName As String = SHAREPOINT_FOLDER_NAME 
 
   ' Replace SHAREPOINT_DOCUMENT_NAME with a valid document on the folder above, for example 
   ' MyDocument.tif 
   Dim documentName As String = SHAREPOINT_DOCUMENT_NAME 
 
   ' Build the full URL to the document are we going to download 
   Dim builder As New UriBuilder(siteUri) 
   builder.Path = Path.Combine(builder.Path, folderName) 
   builder.Path = Path.Combine(builder.Path, documentName) 
   Dim sourceDocumentUri As Uri = builder.Uri 
 
   Dim spClient As New SharePointClient() 
 
   ' Optional: Set the credentials: 
   If Not IsNothing(USER_NAME) Then 
      spClient.Credentials = New NetworkCredential(USER_NAME, PASSWORD, DOMAIN) 
   End If 
 
   ' Optional: If you must use a Proxy server to connect to SharePoint, set it up: 
   If Not IsNothing(PROXY_HOST) Then 
      Dim proxy As New WebProxy(PROXY_HOST, PROXY_PORT) 
      spClient.Proxy = proxy 
   End If 
 
   Dim tempFileName As String = Path.GetTempFileName() 
   Try 
      ' Download the SharePoint item to the temporary file 
      Console.WriteLine("Downloading {0}", sourceDocumentUri) 
      spClient.DownloadFile(sourceDocumentUri, tempFileName) 
 
      ' Load the image 
      Using codecs As New RasterCodecs() 
         Using image As RasterImage = codecs.Load(tempFileName) 
            ' Invert it 
            Console.WriteLine("Inverting") 
            Dim cmd As New InvertCommand() 
            cmd.Run(image) 
 
            ' Save it back to the same file 
            Console.WriteLine("Saving back to disk") 
            codecs.Save(image, tempFileName, image.OriginalFormat, image.BitsPerPixel) 
         End Using 
      End Using 
 
      ' Upload the file back with a new name (OriginalName_Inverted.ext) 
      Dim name As String = Path.GetFileNameWithoutExtension(documentName) 
      Dim ext As String = Path.GetExtension(documentName) 
 
      name = name + "_Inverted" 
      name = Path.ChangeExtension(name, ext) 
 
      ' Get the destination path (destination folder + file name) 
      Dim destinationPath As String = Path.Combine(folderName, name) 
 
      Console.WriteLine("Uploading to {0}", destinationPath) 
      ' Make sure to overwrite the file if it already exists 
      spClient.OverwriteExistingFiles = True 
      spClient.UploadFile(tempFileName, siteUri, destinationPath) 
   Finally 
      ' Delete the temporary file 
      File.Delete(tempFileName) 
   End Try 
End Sub 
Requirements

Target Platforms

Help Version 21.0.2021.6.30
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Products | Support | Contact Us | Intellectual Property Notices
© 1991-2021 LEAD Technologies, Inc. All Rights Reserved.