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GUID_CLASS_MODEM is an obsolete identifier for the device interface class for modem devices. Starting with Microsoft Windows 2000, use the GUID_DEVINTERFACE_MODEM class identifier for new instances of this class.
Requirements
Version |
Obsolete. Starting with Windows 2000, use GUID_DEVINTERFACE_MODEM instead. |
Header |
Ntddmodm.h (include Ntddmodm.h) |