我創建了一個類來一次性設置項目的Win7任務欄中的進度。這是我挖出代碼:
#include <shobjidl.h>
#include <windows.h>
#pragma comment(lib, "Shell32.lib")
#pragma comment(lib, "Ole32.lib")
class Win7TaskbarProgress
{
public:
Win7TaskbarProgress();
virtual ~Win7TaskbarProgress();
void SetProgressState(HWND hwnd, TBPFLAG flag);
void SetProgressValue(HWND hwnd, ULONGLONG ullCompleted, ULONGLONG ullTotal);
private:
bool Init();
ITaskbarList3* m_pITaskBarList3;
bool m_bFailed;
};
Win7TaskbarProgress::Win7TaskbarProgress()
{
m_pITaskBarList3 = NULL;
m_bFailed = false;
}
Win7TaskbarProgress::~Win7TaskbarProgress()
{
if (m_pITaskBarList3)
{
m_pITaskBarList3->Release();
CoUninitialize();
}
}
void Win7TaskbarProgress::SetProgressState(HWND hwnd, TBPFLAG flag)
{
if (Init())
m_pITaskBarList3->SetProgressState(hwnd, flag);
}
void Win7TaskbarProgress::SetProgressValue(HWND hwnd, ULONGLONG ullCompleted, ULONGLONG ullTotal)
{
if (Init())
m_pITaskBarList3->SetProgressValue(hwnd, ullCompleted, ullTotal);
}
bool Win7TaskbarProgress::Init()
{
if (m_pITaskBarList3)
return true;
if (m_bFailed)
return false;
// Initialize COM for this thread...
CoInitialize(NULL);
CoCreateInstance(CLSID_TaskbarList, NULL, CLSCTX_INPROC_SERVER, IID_ITaskbarList3, (void **)&m_pITaskBarList3);
if (m_pITaskBarList3)
return true;
m_bFailed = true;
CoUninitialize();
return false;
}
你是什麼意思的「任務欄狀態」?你的意思是隻顯示進度或其他東西? – sashoalm 2013-02-21 12:52:15
是的,只是進步和狀態(不確定,暫停,錯誤,即顏色綠色,黃色和紅色)。沒有跳轉列表,縮略圖或動作按鈕。 – ygoe 2013-02-21 13:14:46