Winform SDK - Need chat ans Screen sharing option

Can you guys please provide me proper sdk for winform?
I need chat and screen sharing option. Currently host screen is not visible


Thank you for posting in the Zoom Developer Forum. We appreciate the feedback and are always looking to improve the platform to serve developer needs better. In the interest of delivering happiness, can you share more details about your use case and the current pain points you are experiencing using the chat and screen sharing options?

This information will help us provide more personalized support or offer alternative options to accomplish your desired goal.