https://learn.microsoft.com/pt-pt/dotnet/api/system.windows.forms.control.onmousehover?view=netframework-4.8.1&viewFallbackFrom=windowsdesktop-10.0
Control.OnMouseHover(EventArgs) Method (System.Windows.Forms) | Microsoft Learn
Raises the MouseHover event.
windows formscontrolmethodsystemmicrosoft