https://learn.microsoft.com/en-us/dotnet/api/system.windows.forms.tooltip.automaticdelay?view=windowsdesktop-10.0&viewFallbackFrom=net-5.0
ToolTip.AutomaticDelay Property (System.Windows.Forms) | Microsoft Learn
Gets or sets the automatic delay for the ToolTip.
property systemwindows formstooltipmicrosoftlearn