Button assignments

Hi, I have a question about the Button Assignments in Microstation Connect.

My collegue wants to have it set like this:

When he presses the middle mouse button once it will start Tentative

When he presses the middle mouse button and holds it he wants to use the pan drag functionality.

When I remap the buttons there is no wat to set the "button pressed down" state.

Is there any way I can configure Microstation Connect so that it works like this? 

Greetings,

Ronald