I have 2 navigation bar buttons added and display it at right. I used this code below and works fine.
UIBarButtonItem right = [getUI navBarButtonHistory:self navLink:@selector(btn_sendPreview:) imageNamed:@"ic_print.png"];
UIBarButtonItem rightPending = [getUI navBarButtonHistory:self navLink:@selector(btn_pending:) imageNamed:@"ic_pending.png"];
self.navigationItem.rightBarButtonItems = @[right,rightPending];
but my problem is how to disable that two buttons when i click another button?