CM_Get_Device_Interface_List_Size (cfgmgr32)
Last changed: anonymous
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Summary
The CM_Get_Device_Interface_List_Size function retrieves the buffer size that must be passed to the CM_Get_Device_Interface_List function.

C# Signature:

[DllImport("CfgMgr32.dll", CharSet = CharSet.Unicode)]
static extern uint CM_Get_Device_Interface_List_Size(out uint size, ref Guid interfaceClassGuid, string deviceID, uint flags);

Documentation
CM_Get_Device_Interface_List_Size on MSDN