//$>
//$<PlaceholderItem.SetItemInfo
/// <summary>
/// Updates information about the file or folder placeholder in the user file system.
/// This method automatically hydrates and dehydrate files.
/// </summary>
/// <remarks>This method failes if the file or folder in user file system is modified (not in-sync with the remote storage).</remarks>
/// <param name="itemInfo">New file or folder info.</param>
/// <returns>True if the file was updated. False - otherwise.</returns>
public async Task <bool> UpdateAsync(FileSystemItemBasicInfo itemInfo)
{
try
{
// Because of the on-demand population the file or folder placeholder may not exist in the user file system.
if (FsPath.Exists(userFileSystemPath))
{
PlaceholderItem placeholderItem = PlaceholderItem.GetItem(userFileSystemPath);
// To be able to update the item we need to remove the read-only attribute.
if ((FsPath.GetFileSystemItem(userFileSystemPath).Attributes | System.IO.FileAttributes.ReadOnly) != 0)
{
FsPath.GetFileSystemItem(userFileSystemPath).Attributes &= ~System.IO.FileAttributes.ReadOnly;
}
// Dehydrate/hydrate the file, update file size, custom data, creation date, modification date, attributes.
placeholderItem.SetItemInfo(itemInfo);
// Set ETag.
await ETag.SetETagAsync(userFileSystemPath, itemInfo.ETag);
// Clear icon.
//await ClearStateAsync();
// Set the "locked by another user" icon and all custom columns data.
await SetLockedByAnotherUserAsync(itemInfo.LockedByAnotherUser);
await SetCustomColumnsDataAsync(itemInfo.CustomProperties);
return(true);
}
}
catch (Exception ex)
{
await SetDownloadErrorStateAsync(ex);
// Rethrow the exception preserving stack trace of the original exception.
System.Runtime.ExceptionServices.ExceptionDispatchInfo.Capture(ex).Throw();
}
return(false);
}