OverwriteExistingFiles Property (original) (raw)
Summary
Gets or sets a value that indicate whether to overwrite the existing item if it exists when uploading to SharePoint server.
Syntax
public bool OverwriteExistingFiles { get; set; } public:
property bool OverwriteExistingFiles {
bool get();
void set ( bool );
}
Property Value
true to overwrite the existing item if it exists when uploading to SharePoint server, otherwise; false. Default value is true.
Example
using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing;
using Leadtools.ImageProcessing.Color;
using Leadtools.SharePoint.Client;
public 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);
}
}