https://learn.microsoft.com/fr-fr/dotnet/api/system.windows.input.mouseeventargs.invokeeventhandler?view=netframework-4.8.1&viewFallbackFrom=windowsdesktop-10.0
MouseEventArgs.InvokeEventHandler(Delegate, Object) Method (System.Windows.Input) | Microsoft Learn
Invokes event handlers in a type-specific way, which can increase event system efficiency.
delegateobjectmethodsystemwindows