private static StorageFile OpenFile(string file, FileMode mode, FileAccess access)
{
return(FileHelper.GetFileForPathOrURI(file));
}
public static void Replace(string sourceFileName, string destinationFileName, string destinationBackupFileName)
{
if (destinationFileName == null)
{
throw new ArgumentNullException();
}
if (!string.IsNullOrWhiteSpace(sourceFileName) && !string.IsNullOrWhiteSpace(destinationFileName))
{
if (!string.IsNullOrWhiteSpace(destinationBackupFileName))
{
try
{
StorageFile fileForPathOrUri1 = FileHelper.GetFileForPathOrURI(sourceFileName);
string fileName1 = Path.GetFileName(destinationFileName);
StorageFile fileForPathOrUri2;
if (fileName1.ToLower() == destinationFileName.ToLower())
{
if (Path.GetFileName(sourceFileName).ToLower() == fileName1.ToLower())
{
System.Diagnostics.Debug.WriteLine("File.Replace: Source and destination is the same file");
throw new IOException("Source and destination is the same file");
}
fileForPathOrUri2 = FileHelper.GetFileForPathOrURI(Path.Combine(Path.GetDirectoryName(fileForPathOrUri1.Path), fileName1));
}
else
{
fileForPathOrUri2 = FileHelper.GetFileForPathOrURI(destinationFileName);
if (fileForPathOrUri1.Equals((object)fileForPathOrUri2))
{
System.Diagnostics.Debug.WriteLine("File.Replace: Source and destination is the same file");
throw new IOException("Source and destination is the same file");
}
}
string fileName2 = Path.GetFileName(destinationBackupFileName);
if (fileName2.ToLower() == destinationBackupFileName.ToLower())
{
WindowsRuntimeSystemExtensions.AsTask(fileForPathOrUri2.RenameAsync(destinationBackupFileName)).Wait();
}
else
{
StorageFolder folderForPathOrUri = FileHelper.GetFolderForPathOrURI(destinationBackupFileName);
WindowsRuntimeSystemExtensions.AsTask(fileForPathOrUri2.MoveAsync((IStorageFolder)folderForPathOrUri, fileName2)).Wait();
}
if (fileName1.ToLower() == destinationFileName.ToLower())
{
WindowsRuntimeSystemExtensions.AsTask(fileForPathOrUri1.RenameAsync(destinationFileName)).Wait();
return;
}
else
{
StorageFolder folderForPathOrUri = FileHelper.GetFolderForPathOrURI(destinationFileName);
WindowsRuntimeSystemExtensions.AsTask(fileForPathOrUri1.MoveAsync((IStorageFolder)folderForPathOrUri, fileName1)).Wait();
return;
}
}
catch (Exception ex)
{
throw File.GetRethrowException(ex);
}
}
}
throw new ArgumentException();
}
public static Stream OpenFileForReading(string uri)
{
return(FileHelper.OpenFileForReading(FileHelper.GetFileForPathOrURI(uri)));
}