windows-nt/Source/XPSP1/NT/multimedia/dshow/mfvideo/tvplayer/idl/sndctl.idl
2020-09-26 16:20:57 +08:00

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// sndctl.idl : IDL source for sndctl.dll
//
// This file will be processed by the MIDL tool to
// produce the type library (sndctl.tlb) and marshalling code.
import "oaidl.idl";
import "ocidl.idl";
[
object,
uuid(7D004175-499C-490A-8BC2-1E834711DE45),
dual,
helpstring("ISoundCtl Interface"),
pointer_default(unique)
]
interface ISoundCtl : IDispatch
{
[propget, id(1), helpstring("property Volume")] HRESULT Volume([out, retval] DWORD *pVal);
[propput, id(1), helpstring("property Volume")] HRESULT Volume([in] DWORD newVal);
[propget, id(2), helpstring("property Mute")] HRESULT Mute([out, retval] VARIANT_BOOL *pVal);
[propput, id(2), helpstring("property Mute")] HRESULT Mute([in] VARIANT_BOOL newVal);
[propget, id(3), helpstring("property Component")] HRESULT ComponentType([out, retval] long *pVal);
[propput, id(3), helpstring("property Component")] HRESULT ComponentType([in] long newVal);
};
[
uuid(4CF91B20-9768-41A6-A25B-7573EE376A6B),
version(1.0),
helpstring("sndctl 1.0 Type Library")
]
library SNDCTLLib
{
importlib("stdole2.tlb");
[
uuid(EFE22EF0-D363-4986-AC56-9989C61EC5E4),
helpstring("SoundCtl Class")
]
coclass SoundCtl
{
[default] interface ISoundCtl;
};
};