DOT NET Interview Questions - DotNetSpider

(I) Do events have return type ?
No events do not have return type.
(A) Can event’s have access modifiers ?
Event’s are always public as they are meant to serve every one registering to it.But you
can access modifiers in events.You can have events with protected keyword which will
be accessible only to inherited classes.You can have private events only for object in that
class.
(A) Can we have shared events ?
Yes you can have shared event’s note only shared methods can raise shared events.
(I) What is shadowing ?
When two elements in a program have same name , one of them can hide and shadow the
other one.So in such cases the element which shadowed the main element is referenced.
Below is a sample code , there are two classes “ClsParent” and “ClsShadowedParent”.In
“ClsParent” there is a variable “x” which is a integer.”ClsShadowedParent” overrides
“ClsParent” and shadows the “x” variable to a string.
Note:- In Sample CD “WindowsShadowing” is folder which has the sample code.If you
run the program you can have two output’s one which shows a integer and other which shows
a string.
Public Class ClsParent
Public x As Integer
End Class
Public Class ClsShadowedParent
Inherits ClsParent
Public Shadows x As String
End Class
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