Hi ehor,
Currently API for fit to screen is not available, but the required behavior can be achieved. In this sample, we have implemented FitToScreen using DiagramView’s Zooming functionality. Please click on Button labeled ‘FitToScreen’ from the following sample.
Sample Link:
Please let us know if you have any queries.
Regards,
Sundar M.
FitToScreen_2dd888d4.zip