Determining Supported COM APIs
How to determine if a COM function is supported.
All run-time images include Ole32.dll.
To determine if a function is supported in a specific run-time image, check Ole32.dll to see if that function is included.
To see the list of Automation functions, check Oleaut32.dll.To list the functions
Open a command prompt.
Type link /dump /exports ole32.dll.
You see the list of all functions included in Ole32.dll that are supported in this run-time image.