public virtual void SaveFileAs(OpenedFile file, string defaultExtension, string initialDirectory, Dictionary <string, string> filters,
string dialogTitle = "Save File", bool addExtension = true, bool checkFileExists = false, bool checkPathExists = true)
{
string fileName = FileDialogService.SaveFileDialog(
file.FileName,
defaultExtension, initialDirectory, filters,
dialogTitle,
addExtension, checkFileExists, checkPathExists);
if (fileName != null)
{
file.FileName = FileName.Create(fileName);
file.SaveToDisk();
}
}