Location: Symbol Reference > Functions > JwRaiseOnClassTypeMisMatch Function
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JwRaiseOnClassTypeMisMatch Function
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Pascal
procedure JwRaiseOnClassTypeMisMatch(const Instance: TObject; const ExpectedClass: TClass; const MethodName: TJwString; const ClassName: TJwString; const FileName: TJwString);
File
Parameters
Parameters 
Description 
const Instance: TObject 
defines the class to be tested. If this parameter is nil, the procedure exists without harm.  
const ExpectedClass: TClass 
defines the class type to be checked for.  
const MethodName: TJwString 
defines the name of the method this parameter belongs to  
const ClassName: TJwString 
defines the name of the class the method belongs to. Can be empty if the method does not belong to a class  
const FileName: TJwString 
defines the source file of the call to this procedure. 
Description

JwRaiseOnClassTypeMisMatch raises an exception EJwsclClassTypeMismatch if parameter Instance is not of type ExpectedClass. This function is like Assert but it will not be removed in a release build. 

 

Exceptions
Exceptions 
Description 
EJwsclNILParameterException 
will be raised if P is nil 
Group
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