IEnumUnknown interface
Enumerates objects with the IUnknown interface. It can be used to enumerate through the objects in a component containing multiple objects.
When to implement
You can implement this whenever you want a caller to be able to enumerate the objects contained in another object. You get a pointer to IEnumUnknown through a call to IOleContainer::EnumObjects.
When to use
Call the methods of IEnumUnknown to enumerate the objects in a compound document, when you get a pointer to the interface on the enumerator through a call to IOleContainer::EnumObjects.
Members
The IEnumUnknown interface inherits from the IUnknown interface. IEnumUnknown also has these types of members:
Methods
The IEnumUnknown interface has these methods.
| Method | Description |
|---|---|
| Clone |
Creates a new enumerator that contains the same enumeration state as the current one. |
| Next |
Retrieves the specified number of items in the enumeration sequence. |
| Reset |
Resets the enumeration sequence to the beginning. |
| Skip |
Skips over the specified number of items in the enumeration sequence. |
Requirements
|
Minimum supported client |
Windows 2000 Professional [desktop apps | Windows Store apps] |
|---|---|
|
Minimum supported server |
Windows 2000 Server [desktop apps | Windows Store apps] |
|
Header |
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IDL |
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IID |
IID_IEnumUnknown is defined as 00000100-0000-0000-C000-000000000046 |
See also