Silly question on casting

Hi All
VB 6.0
I am a c# developer usually but have had to create a vb 6 application to test a COM object.

The problem I have is that I get the following error when I run the code below :

Sub or Function not define

Code:

---

 
 Dim objClass As New clsAPI
 Dim objInterface As IAPI
 objInterface = CType(objClass, IAPI)

---

It can't find CType. I don't get it. Is Ctype in some surreal location?
I suppose VB 6 can't do this at all.

It doesn't matter.

I take it VB 6 just cannot do this.
I'll have to change my COM callable .net code and remove the interface.

Have you tried: Set objInterface = objClass.

For example, the stdPicture class implements IPicture and IPictureDisp. Therefore, I can do this:

Code:

---

Dim newPic As New stdPicture
Dim IPic As IPicture, IPICD as IPictureDisp, IUNK As IUnknown
Set IPIC = newPic
Set IPICD = newPic
Set IUNK = newPic ' and of course it also implements IUnknown

---

CType is not a part of VB6...it is a part of VB.NET