IDeviceTopology::GetSubunitCount method
The GetSubunitCount method gets the number of subunits in the device topology.
Syntax
HRESULT GetSubunitCount( [out] UINT *pCount );
Parameters
- pCount [out]
-
Pointer to a UINT variable into which the method writes the subunit count (the number of subunits in the device topology).
Return value
If the method succeeds, it returns S_OK. If it fails, possible return codes include, but are not limited to, the values shown in the following table.
| Return code | Description |
|---|---|
|
Pointer pCount is NULL. |
Requirements
|
Minimum supported client |
Windows Vista [desktop apps only] |
|---|---|
|
Minimum supported server |
Windows Server 2008 [desktop apps only] |
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Header |
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See also