Help read/write data to bluetooth device - using bluetooth low energy sample c# code from microsoft

I'm able to connect to bluetooth laser distance measuring device and read the model/make etc from it using microsoft supplied sample code (supplied in Windows-universal-samples-master) github code: [login to view URL] Since windows 10 PC is able to pair/connect and read basic information from this bluetooth device , what I want now is to pass few commands and read data. There are commands to control the device which i'm unable to figure it out. Git hub has few source codes for sending commands. example: [login to view URL] [login to view URL] I want 3 commands to send to bluetooth device and read the value back from it to be displayed in desktop Laseron Laseroff measure SKILLS: PHP, IOT, INTERNET OF THINGS, WIDOWS UWP