UploadDocumentOptions Class (original) (raw)
Summary
Options to use when uploading a document to the cache.
Syntax
[SerializableAttribute()]
[DataContractAttribute()]
public class UploadDocumentOptions
public [SerializableAttribute,
DataContractAttribute]
ref class UploadDocumentOptions
public class UploadDocumentOptions class UploadDocumentOptions: Example
using Leadtools;
using Leadtools.Caching;
using Leadtools.Document;
public void DocumentFactoryBeginUploadExample()
{
var cache = GetCache();
// Upload the document in 32K chunks
const int bufferSize = 1024 * 32;
var buffer = new byte[bufferSize];
var fileName = Path.Combine(LEAD_VARS.ImagesDir, "Leadtools.pdf");
Uri uploadUri = null;
using (var reader = File.OpenRead(fileName))
{
// Start uploading
var uploadOptions = new UploadDocumentOptions();
uploadOptions.Cache = cache;
// Optional: set the mime type of the document we are uploading.
// If this value is not provided or is wrong then it will be overridden by the factory when LoadFromUri is called.
uploadOptions.MimeType = "application/pdf";
// Optional: set the name of the document, the same name as the file.
// This value is only important as a hint when the document file data does not contain a valid signature, such as TXT or XML files
uploadOptions.Name = "Leadtools.pdf";
uploadOptions.CachePolicy = new CacheItemPolicy();
uploadOptions.DocumentId = null;
uploadOptions.PageCount = 0;
uploadUri = DocumentFactory.BeginUpload(uploadOptions);
int bytes;
do
{
bytes = reader.Read(buffer, 0, bufferSize);
if (bytes > 0)
{
// Upload a chunk
DocumentFactory.UploadDocument(cache, uploadUri, buffer, 0, bytes);
// Upload annotations
DocumentFactory.UploadAnnotations(cache, uploadUri, buffer, 0, bytes);
}
}
while (bytes > 0);
}
// We are done, this method is optional, we can call LoadFromUri right now
DocumentFactory.EndUpload(cache, uploadUri);
DocumentFactory.AbortUploadDocument(uploadUri);
// Now load the document
var options = new LoadDocumentOptions();
options.Cache = cache;
using (var document = DocumentFactory.LoadFromUri(uploadUri, options))
{
PrintOutDocumentInfo(document);
}
}
static class LEAD_VARS
{
public const string ImagesDir = @"C:\LEADTOOLS22\Resources\Images";
}