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#2169   Compile-time error  

 

Invalid dynamic cast.

Additional Information

The type 'X' preceding the cast operator is not a user-defined type.
The expression following the cast operator must be of a user-defined type.
The target type 'X' does not extend the static type 'Y' of the expression following the cast operator.

Explanation

The type on the left-hand side of the cast operator must be a subtype of the static type of the expression on its right-hand side, otherwise it cannot succeed at run-time.

 
 

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OmniMark 9.1.0 Documentation Generated: September 2, 2010 at 1:37:09 pm
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