https://learn.microsoft.com/en-us/dotnet/api/system.componentmodel.iextenderprovider.canextend?view=netframework-4.8.1&viewFallbackFrom=windowsdesktop-10.0
IExtenderProvider.CanExtend(Object) Method (System.ComponentModel) | Microsoft Learn
Specifies whether this object can provide its extender properties to the specified object.
objectmethodsystemmicrosoftlearn
https://learn.microsoft.com/en-us/dotnet/api/system.componentmodel.iextenderprovider.canextend?view=netframework-4.8.1&redirectedfrom=MSDN
IExtenderProvider.CanExtend(Object) Method (System.ComponentModel) | Microsoft Learn
Specifies whether this object can provide its extender properties to the specified object.
objectmethodsystemmicrosoftlearn