IXRTransformCollection::Add (Compact 2013)

3/28/2014

This method adds an item to the end of the IXRTransformCollection collection and retrieves the index that indicates where it was added.

Syntax

virtual HRESULT STDMETHODCALLTYPE Add(
    __in IXRTransform* pObject,
    __out_opt int* pIndex
) = 0;

pObject
[in] Pointer to an IXRTransform object that represents an item to add to this collection.

pIndex
[out] Optional. Pointer to an integer value that indicates the zero-based index that describes the location of the item added to this collection.

Returns an HRESULT that indicates success or failure. The following table shows the possible return values.

Value	Description
S_OK	Success.
XR_E_COLLECTION_ELEMENT_ALREADY_ASSOCIATED	You attempted to add an item that already exists.

Because an object cannot exist more than once in a visual tree, an item can occur only once in this object collection.

Header	XamlRuntime.h
sysgen	SYSGEN_XAML_RUNTIME