win7任务栏编程---VC

今天安装一个游戏，看到任务栏有进度条显示，就到网上查了资料，但发现大多数都是C#.Net的，关于MFC的只有下面一篇文章http://www.shuax.com/?p=942，介绍的挺简单的，看其给的例子的代码也不难，涉及到COM编程。

     文章中提到的头文件-----win7shellapi.h

/* Win7ShellApi.h -- Window 7 Shell API */

#ifndef __Win7ShellApi_h__
#define __Win7ShellApi_h__

#include <ole2.h>

#ifndef MSGFLT_ADD
#define MSGFLT_ADD 1
#endif


#ifndef __ITaskbarList3_INTERFACE_DEFINED__
#define __ITaskbarList3_INTERFACE_DEFINED__

EXTERN_C const CLSID CLSID_TaskbarList;

EXTERN_C const IID IID_ITaskbarList3Vtbl;

typedef enum _THUMBBUTTONFLAGS {
    THBF_ENABLED    = 0,
    THBF_DISABLED    = 0x1,
    THBF_DISMISSONCLICK    = 0x2,
    THBF_NOBACKGROUND    = 0x4,
    THBF_HIDDEN    = 0x8,
    THBF_NONINTERACTIVE    = 0x10
} THUMBBUTTONFLAGS;

typedef enum _THUMBBUTTONMASK {
    THB_BITMAP    = 0x1,
    THB_ICON    = 0x2,
    THB_TOOLTIP    = 0x4,
    THB_FLAGS    = 0x8
} THUMBBUTTONMASK;

#include <pshpack8.h>
typedef struct _THUMBBUTTON
{
    THUMBBUTTONMASK dwMask;
    UINT iId;
    UINT iBitmap;
    HICON hIcon;
    WCHAR szTip[ 260 ];
    THUMBBUTTONFLAGS dwFlags;
} THUMBBUTTON, *LPTHUMBBUTTON;

#include <poppack.h>
#define THBN_CLICKED        0x1800

typedef enum _TBPFLAG {
    TBPF_NOPROGRESS    = 0,
    TBPF_INDETERMINATE    = 0x1,
    TBPF_NORMAL    = 0x2,
    TBPF_ERROR    = 0x4,
    TBPF_PAUSED    = 0x8
} TBPFLAG;

//typedef _COM_interface ITaskbarList3Vtbl ITaskbarList3Vtbl;

#define INTERFACE ITaskbarList3Vtbl
DECLARE_INTERFACE_(ITaskbarList3Vtbl,IUnknown)
{
    STDMETHOD(QueryInterface)(THIS_ REFIID,LPVOID*) PURE;
    STDMETHOD_(ULONG,AddRef)(THIS) PURE;
    STDMETHOD_(ULONG,Release)(THIS) PURE;
    STDMETHOD(HrInit)(THIS) PURE;
    STDMETHOD(AddTab)(THIS_ HWND) PURE;
    STDMETHOD(DeleteTab)(THIS_ HWND) PURE;
    STDMETHOD(ActivateTab)(THIS_ HWND) PURE;
    STDMETHOD(SetActiveAlt)(THIS_ HWND) PURE;
    STDMETHOD(MarkFullscreenWindow)(THIS_ HWND,BOOL) PURE;
    STDMETHOD(SetProgressValue)(THIS_ HWND,ULONGLONG,ULONGLONG) PURE;
    STDMETHOD(SetProgressState)(THIS_ HWND,DWORD) PURE;
    STDMETHOD(RegisterTab)(THIS_ HWND,HWND) PURE;
    STDMETHOD(UnregisterTab)(THIS_ HWND) PURE;
    STDMETHOD(SetTabOrder)(THIS_ HWND,HWND) PURE;
    STDMETHOD(SetTabActive)(THIS_ HWND,HWND,DWORD) PURE;
    STDMETHOD(ThumbBarAddButtons)(THIS_ HWND,UINT,LPTHUMBBUTTON) PURE;
    STDMETHOD(ThumbBarUpdateButtons)(THIS_ HWND,UINT,LPTHUMBBUTTON) PURE;
    STDMETHOD(ThumbBarSetImageList)(THIS_ HWND,HIMAGELIST) PURE;
    STDMETHOD(SetOverlayIcon)(THIS_ HWND,HICON,LPCWSTR) PURE;
    STDMETHOD(SetThumbnailTooltip)(THIS_ HWND,LPCWSTR) PURE;
    STDMETHOD(SetThumbnailClip)(THIS_ HWND,HICON,RECT) PURE;
};
#undef INTERFACE
typedef struct ITaskbarList3Vtbl ITaskbarList3;

#if !defined(__cplusplus) || defined(CINTERFACE)
#define ITaskbarList3_QueryInterface(p,riid,ppvObject) (p)->lpVtbl->QueryInterface(p,riid,ppvObject)
#define ITaskbarList3_AddRef(p) (p)->lpVtbl->AddRef(p)
#define ITaskbarList3_Release(p) (p)->lpVtbl->Release(p)
#define ITaskbarList3_HrInit(p) (p)->lpVtbl->HrInit(p)
#define ITaskbarList3_AddTab(p,hwnd) (p)->lpVtbl->AddTab(p,hwnd)
#define ITaskbarList3_DeleteTab(p,hwnd) (p)->lpVtbl->DeleteTab(p,hwnd)
#define ITaskbarList3_ActivateTab(p,hwnd) (p)->lpVtbl->ActivateTab(p,hwnd)
#define ITaskbarList3_SetActiveAlt(p,hwnd) (p)->lpVtbl->SetActiveAlt(p,hwnd)
#define ITaskbarList3_MarkFullscreenWindow(p,hwnd,fFullscreen) (p)->lpVtbl->MarkFullscreenWindow(p,hwnd,fFullscreen)
#define ITaskbarList3_SetProgressValue(p,hwnd,ullCompleted,ullTotal) (p)->lpVtbl->SetProgressValue(p,hwnd,ullCompleted,ullTotal)
#define ITaskbarList3_SetProgressState(p,hwnd,tbpFlags) (p)->lpVtbl->SetProgressState(p,hwnd,tbpFlags)
#define ITaskbarList3_RegisterTab(p,hwndTab,hwndMDI) (p)->lpVtbl->RegisterTab(p,hwndTab,hwndMDI)
#define ITaskbarList3_UnregisterTab(p,hwndTab) (p)->lpVtbl->UnregisterTab(p,hwndTab)
#define ITaskbarList3_SetTabOrder(p,hwndTab,hwndInsertBefore) (p)->lpVtbl->SetTabOrder(p,hwndTab,hwndInsertBefore)
#define ITaskbarList3_SetTabActive(p,hwndTab,hwndMDI,dwReserved) (p)->lpVtbl->SetTabActive(p,hwndTab,hwndMDI,dwReserved)
#define ITaskbarList3_ThumbBarAddButtons(p,hwnd,cButtons,pButton) (p)->lpVtbl->ThumbBarAddButtons(p,hwnd,cButtons,pButton)
#define ITaskbarList3_ThumbBarUpdateButtons(p,hwnd,cButtons,pButton) (p)->lpVtbl->ThumbBarUpdateButtons(p,hwnd,cButtons,pButton)
#define ITaskbarList3_ThumbBarSetImageList(p,hwnd,himl) (p)->lpVtbl->ThumbBarSetImageList(p,hwnd,himl)
#define ITaskbarList3_SetOverlayIcon(p,hwnd,hIcon,pszDescription) (p)->lpVtbl->SetOverlayIcon(p,hwnd,hIcon,pszDescription)
#define ITaskbarList3_SetThumbnailTooltip(p,hwnd,pszTip) (p)->lpVtbl->SetThumbnailTooltip(p,hwnd,pszTip)
#define ITaskbarList3_SetThumbnailClip(p,hwnd,prcClip) (p)->lpVtbl->SetThumbnailClip(p,hwnd,prcClip)
#else  /* !defined(__cplusplus) || defined(CINTERFACE) */
#define ITaskbarList3_QueryInterface(p,riid,ppvObject) (p)->QueryInterface(p,riid,ppvObject)
#define ITaskbarList3_AddRef(p) (p)->AddRef(p)
#define ITaskbarList3_Release(p) (p)->Release(p)
#define ITaskbarList3_HrInit(p) (p)->HrInit(p)
#define ITaskbarList3_AddTab(p,hwnd) (p)->AddTab(p,hwnd)
#define ITaskbarList3_DeleteTab(p,hwnd) (p)->DeleteTab(p,hwnd)
#define ITaskbarList3_ActivateTab(p,hwnd) (p)->ActivateTab(p,hwnd)
#define ITaskbarList3_SetActiveAlt(p,hwnd) (p)->SetActiveAlt(p,hwnd)
#define ITaskbarList3_MarkFullscreenWindow(p,hwnd,fFullscreen) (p)->MarkFullscreenWindow(p,hwnd,fFullscreen)
#define ITaskbarList3_SetProgressValue(p,hwnd,ullCompleted,ullTotal) (p)->SetProgressValue(p,hwnd,ullCompleted,ullTotal)
#define ITaskbarList3_SetProgressState(p,hwnd,tbpFlags) (p)->SetProgressState(p,hwnd,tbpFlags)
#define ITaskbarList3_RegisterTab(p,hwndTab,hwndMDI) (p)->RegisterTab(p,hwndTab,hwndMDI)
#define ITaskbarList3_UnregisterTab(p,hwndTab) (p)->UnregisterTab(p,hwndTab)
#define ITaskbarList3_SetTabOrder(p,hwndTab,hwndInsertBefore) (p)->SetTabOrder(p,hwndTab,hwndInsertBefore)
#define ITaskbarList3_SetTabActive(p,hwndTab,hwndMDI,dwReserved) (p)->SetTabActive(p,hwndTab,hwndMDI,dwReserved)
#define ITaskbarList3_ThumbBarAddButtons(p,hwnd,cButtons,pButton) (p)->ThumbBarAddButtons(p,hwnd,cButtons,pButton)
#define ITaskbarList3_ThumbBarUpdateButtons(p,hwnd,cButtons,pButton) (p)->ThumbBarUpdateButtons(p,hwnd,cButtons,pButton)
#define ITaskbarList3_ThumbBarSetImageList(p,hwnd,himl) (p)->ThumbBarSetImageList(p,hwnd,himl)
#define ITaskbarList3_SetOverlayIcon(p,hwnd,hIcon,pszDescription) (p)->SetOverlayIcon(p,hwnd,hIcon,pszDescription)
#define ITaskbarList3_SetThumbnailTooltip(p,hwnd,pszTip) (p)->SetThumbnailTooltip(p,hwnd,pszTip)
#define ITaskbarList3_SetThumbnailClip(p,hwnd,prcClip) (p)->SetThumbnailClip(p,hwnd,prcClip)
#endif  /* !defined(__cplusplus) || defined(CINTERFACE) */

#endif     /* __ITaskbarList3_INTERFACE_DEFINED__ */

#endif /* __Win7ShellApi_h__ */
　　
　　但是如果只包含这个头文件会报错，还要引入

#include <commctrl.h>
#include <Shobjidl.h>

两个头文件

加入以下代码就有进度条效果了

ITaskbarList3 * pTaskbarList = NULL;
CoInitialize(0);
CoCreateInstance(CLSID_TaskbarList, NULL, CLSCTX_ALL, IID_ITaskbarList, (void **)&pTaskbarList);
/*
设置进度条的类型
TBPF_NORMAL、TBPF_INDETERMINATE、TBPF_NOPROGRESS------蓝色
TBPF_ERROR-------红色
TBPF_PAUSED------黄色
*/
pTaskbarList->SetProgressState(this->GetSafeHwnd(),TBPF_PAUSED);
/*
设置进度条的位置，现在设为7/10
*/
pTaskbarList->SetProgressValue(this->GetSafeHwnd(),7,10);

　　

还有一点，不能再界面还未显示出来的时候调用以上代码.