FileSystemItem initialFilePath,
String defaultExtension,
boolean forceDefaultExtension,
ProgressOperationWithInput<FileSystemItem> operation)
{
SaveFileDialog dialog = new SaveFileDialog(caption,
fsContext,
defaultExtension,
forceDefaultExtension,
operation);
dialog.setInvokeOperationEvenOnCancel(true);
finishInit(fsContext, initialFilePath, dialog);
}