Hi @Peter Volz ,
Winform does not support hiding Maximize Button alone.
You can simulate the effect of hiding the Maximize Button separately by creating a borderless form and creating your own title bar using a panel or other control at the top of the form.
Best Regards.
Jiachen Li
If the answer is helpful, please click "Accept Answer" and upvote it.
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.