3.1 Common Details
The Remote Desktop Protocol: Geometry Tracking Virtual Channel Extension consists of a single message that is sent from the server to the client with different parameters in order to signal different states to the client. These states are as follows:
Create or update a geometry mapping for a window.
Create or update a geometry mapping for an arbitrary region of a window.
Clear an existing geometry mapping.
Figure 1: Complete window tracking
Figure 2: Partial window tracking