Mac version of my windows c# application

Make a similar app that will run on macos 10 and 11. requirement outline include; 1: procedure to store a windows size in pixels when I double click on it. 2: must also record the mouse position in relation to said windows top left hand corner. 3: use the infomation stored to constantly check if that recorded window is currently the focused window. 4: if the focused window is a match send a set of details over software serial communication. details to be sent over serial comms include 1: display size in pixels. This should be the entire display. even if multiple monitors exist. 2: current focused windows position in relation to the whole display areas top left corner 3: the mouse position of the window that was record in the earlier procedure 4. the column number of the window recorded. (will explain later) ATTENTION: 1: YOU MUST HAVE A MAC 2 THIS MUST BE WRITTEN IN XCODE 3: THIS NEEDS TO BE COMPLETED WITH THE NEXT 3 DAYS