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I am new to programming in Silverlight. Can anyone tell me the difference between
FrameworkElement obj=sender as FrameworkElement
and
FrameworkElement obj=(FrameworkElement)someobject
after this code obj will be FrameworkElement, if type of it is FrameworkElement, or null, in other cases. This code will not throw InvalidCastException.
this is explicit conversion, and this operation can throw an InvalidCastException
Casting and Type Conversions (C# Programming Guide)