Need create and call method from many class types

**WojTec**

Hello, guys,

So, lets say what I have.

I have two classes:
- TClass1(TBaseClass)
- TClass2(BaseClass)

TClass1 and TClass2 extands TBaseClass, both are for different input data types. TClass1/TClass2 has LoadFromStream and SaveToStream.

Now, how to create and call methods with names that are common for any class TSomeOtherClass(TClass1/TClass2), like stream procedures?

Currently I have:

if class = someclass then someclass.loadfromstream
else if class = otherclass then otherclass.loadfromstream
else if class = yetanotherclass then yetanotherclass.loadfromstream

but in future I'll have too many classes to add if statement in few places in few units in program.

Could you help with this?

Need create and call method from many class types

Need create and call method from many class types

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