PlaceholderFolderCreatePlaceholders Method

public uint CreatePlaceholders(
	IFileSystemItemMetadata[] children
)

Public Function CreatePlaceholders ( 
	children As IFileSystemItemMetadata()
) As UInteger

public:
unsigned int CreatePlaceholders(
	array<IFileSystemItemMetadata^>^ children
)

member CreatePlaceholders : 
        children : IFileSystemItemMetadata[] -> uint32 

internal static async Task<uint> CreateAsync(string userFileSystemParentPath, FileSystemItemBasicInfo[] newItemsInfo)
{
    try
    {
        // Because of the on-demand population the file or folder placeholder may not exist in the user file system.
        // Here we also check that the folder content was loaded into user file system (the folder is not offline).
        if (Directory.Exists(userFileSystemParentPath)
            && !new DirectoryInfo(userFileSystemParentPath).Attributes.HasFlag(System.IO.FileAttributes.Offline))
        {
            // Create placeholders.
            uint created = new PlaceholderFolder(userFileSystemParentPath).CreatePlaceholders(newItemsInfo);

            // Create ETags.
            foreach (FileSystemItemBasicInfo child in newItemsInfo)
            {
                string userFileSystemItemPath = Path.Combine(userFileSystemParentPath, child.Name);
                await ETag.SetETagAsync(userFileSystemItemPath, child.ETag);
            }

            return created;
        }
    }
    catch (ExistsException ex)
        {
            // "Cannot create a file when that file already exists." 
            //await new UserFileSystemItem(userFileSystemParentPath).ShowDownloadErrorAsync(ex);

            // Rethrow the exception preserving stack trace of the original exception.
            System.Runtime.ExceptionServices.ExceptionDispatchInfo.Capture(ex).Throw();
        }

    return 0;
}

internal static async Task<uint> CreateAsync(string userFileSystemParentPath, FileSystemItemBasicInfo[] newItemsInfo)
{
    try
    {
        // Because of the on-demand population the file or folder placeholder may not exist in the user file system.
        // Here we also check that the folder content was loaded into user file system (the folder is not offline).
        if (Directory.Exists(userFileSystemParentPath)
            && !new DirectoryInfo(userFileSystemParentPath).Attributes.HasFlag(System.IO.FileAttributes.Offline))
        {
            // Create placeholders.
            uint created = new PlaceholderFolder(userFileSystemParentPath).CreatePlaceholders(newItemsInfo);

            // Create ETags.
            foreach (FileSystemItemBasicInfo child in newItemsInfo)
            {
                string userFileSystemItemPath = Path.Combine(userFileSystemParentPath, child.Name);
                await ETag.SetETagAsync(userFileSystemItemPath, child.ETag);

                // Set the lock icon and read-only attribute, to indicate that the item is locked by another user.
                await new UserFileSystemRawItem(userFileSystemItemPath).SetLockedByAnotherUserAsync(child.LockedByAnotherUser);
            }

            return created;
        }
    }
    catch (ExistsException ex)
        {
            // "Cannot create a file when that file already exists." 
            //await new UserFileSystemItem(userFileSystemParentPath).ShowDownloadErrorAsync(ex);

            // Rethrow the exception preserving stack trace of the original exception.
            System.Runtime.ExceptionServices.ExceptionDispatchInfo.Capture(ex).Throw();
        }

    return 0;
}