https://learn.microsoft.com/en-us/dotnet/api/system.windows.forms.control.defaultmaximumsize?view=netframework-4.8.1&redirectedfrom=MSDN
Control.DefaultMaximumSize Property (System.Windows.Forms) | Microsoft Learn
Gets the length and height, in pixels, that is specified as the default maximum size of a control.
property systemwindows formscontrolmicrosoftlearn