IFile Interface

public interface IFile : IObject

IObjType pFileObjType = m_pRepository.GetObjTypeByName("Core.File");
byte[] aContent = Encoding.ASCII.GetBytes("FILECONTENT");

Repository.ExecuteTransaction(delegate()
{
    // Create a file object...
    IFile pFile = pFileObjType.Create<IFile>(m_pRepository.RootFolder, "F1", "");

    // Store content (implicitly creates a first content version)......
    pFile.WriteContent(true, "", "System.Database", "f1.txt", aContent);
});

IFile pFile = Repository.Get<IFile>(objectId);
byte[] aContent;

// Reads file content from the current (most recent) file version into buffer...
pFile.ReadContent(out aContent);

// Gets the file size of the current version...
long size = pFile.GetContentSize();

// Reads file content with offset and partial size parameters...
pFile.ReadContentPart(0, (int)size, out aContent);

IObjType pFileObjType = m_pRepository.GetObjTypeByName("Core.File");

byte[] aContent0 = Encoding.ASCII.GetBytes("F");
byte[] aContent1 = Encoding.ASCII.GetBytes("1");

Repository.ExecuteTransaction(delegate()
{
    // Create a file object...
    IFile pFile = pFileObjType.Create<IFile>(m_pRepository.RootFolder, "F1", "");

    // Store initial content (implicitly creates a first content version)...
    pFile.WriteContent(true, "description", "System.Database", "f1.txt", aContent0);

    // Append content to the current version...    
    pFile.AppendContent(aContent1);
});

byte[] aContent = Encoding.ASCII.GetBytes("1234567890");

IVault pVault = Repository.GetVaultByName("System.Database");

string contentUuid = null;

// 
// First step: create a FileContent record in the database...
// 

string hash = FileUtils.CalculateHash(aContent);

Repository.ExecuteTransaction(delegate
{
    contentUuid = pVault.CreateFileContent(aContent.Length, hash).Uuid;
});

// 
// Second step: Use the IVaultProtocol of the vault to upload the content...
// 

IVaultProtocol pProtocol = pVault.GetProtocol();

string correlationId = CreateFileContentPartStart(contentUuid);

pProtocol.CreateFileContentPartContinue(contentUuid, correlationId, 0, aContent.Take(5).ToArray());

pProtocol.CreateFileContentPartContinue(contentUuid, correlationId, 1, aContent.Skip(5).ToArray());

pProtocol.CreateFileContentPartComplete(contentUuid, correlationId, 2);

// 
// Final step: Create the File object and connect the FileContent as a new content version...
// 

IFile pFile = null;

Repository.ExecuteTransaction(delegate
{
    pFile = Repository.GetObjTypeByName("Core.File").Create<IFile>(Repository.RootFolder, "F1", "");

    pFile.ConnectContent(true, "", "test.txt", contentUuid);
});