Black display screen on windows during remote access

Black the computer monitor screen display when ever we wanted. Detailed requirement for better understanding: 1. Lets say I wanted to access my office computer from home; I will be using Teamviewer kind of product. 2. When I access my computer from home via Teamviewer; I can black my office computer display so that no one can see my remote activity. 3. I see the feature in Teamviewer/Splashtop and it works good. 4. I wanted to implement similar option. 5. We wanted to implement that black the host computer screen module during remote access which works on all Windows platforms reliably. [login to view URL] [login to view URL]