shobjidl.h

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#ifndef _SHOBJIDL_H
#define _SHOBJIDL_H

#define INITGUID
#include <windows.h>

#ifndef DOXYGEN_EXCLUDE
DEFINE_GUID(CLSID_TaskbarList, 0x56fdf344,0xfd6d,0x11d0,0x95,0x8a,0x00,0x60,0x97,0xc9,0xa0,0x90);
DEFINE_GUID(IID_ITaskbarList3, 0xea1afb91,0x9e28,0x4b86,0x90,0xe9,0x9e,0x9f,0x8a,0x5e,0xef,0xaf);
#endif

enum TBPFLAG {
    TBPF_NOPROGRESS     = 0,

    TBPF_INDETERMINATE  = 0x1,

    TBPF_NORMAL         = 0x2,

    TBPF_ERROR          = 0x4,

    TBPF_PAUSED         = 0x8
};

#ifndef DOXYGEN_EXCLUDE
DECLARE_INTERFACE_(ITaskbarList3, IUnknown)
{
    /*** IUnknown methods ***/
    STDMETHOD(QueryInterface) (THIS_ REFIID riid, void **ppv) PURE;
    STDMETHOD_(ULONG, AddRef) (THIS) PURE;
    STDMETHOD_(ULONG, Release) (THIS) PURE;
    /*** ITaskbarList specific methods ***/
    STDMETHOD(HrInit) (THIS) PURE;
    STDMETHOD(AddTab) (THIS_ HWND hwnd) PURE;
    STDMETHOD(DeleteTab) (THIS_ HWND hwnd) PURE;
    STDMETHOD(ActivateTab) (THIS_ HWND hwnd) PURE;
    STDMETHOD(SetActiveAlt) (THIS_ HWND hwnd) PURE;
    /*** ITaskbarList2 specific methods ***/
    STDMETHOD(MarkFullscreenWindow) (THIS_ HWND hwnd, BOOL fFullscreen) PURE;
    /*** ITaskbarList3 specific methods (only used ones) ***/
    STDMETHOD(SetProgressValue) (THIS_ HWND hwnd, ULONGLONG ullCompleted, ULONGLONG ullTotal) PURE;
    STDMETHOD(SetProgressState) (THIS_ HWND hwnd, TBPFLAG tbpFlags) PURE;
};
#else
// This block is strictly for doxygen.
public interface class ITaskbarList3: public ITaskbarList2 {
    HRESULT SetProgressState(HWND hwnd, TBPFLAG tbpFlags);
    HRESULT SetProgressValue(HWND hwnd, ULONGLONG ullCompleted, ULONGLONG ullTotal);
};
#endif

#endif /* _SHOBJIDL_H */