Re: [flexcoders] Determine if a Class implements an Interface

[Jeremy Lu]

if( describeType(MyClass).implementsInterface.(@type) == interfaceName).length() ){
    //do something;
}

but it's a bit expensive to iterate over the tags everytime you want to check.


On 8/16/06, thunderstumpgesatwork <[EMAIL PROTECTED]> wrote:













  


    
            
Hi all,

I often use 

if (obj is MyClassOrInterface) 
{
//  do whatever
}

but it appears that only works with Instances not Classes. With just a
Class, how can I tell if that class implements a particular interface
or is of a particular base type?  Do I have to create an instance of
it and check the instance? I'm sure there must be another way...

thanks in advance,
Thunder
__________________________

var currentDomain:ApplicationDomain = ApplicationDomain.currentDomain;
var psClass:Class = null;
if (currentDomain.hasDefinition(sPropClass))
{
	psClass = Class(currentDomain.getDefinition(sPropClass));
}

// below statement doesn't work!
if ( (psClass != null) && (psClass is IPropertySheet) )
{
	// make a new one of these classes.
}


      

    
    












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