Windows Show/Hide Taskbar Icon

windows_show_hide_taskbar_icon.cc

    #include <windows.h>
    #include <shobjidl.h>
    const GUID CLSID_TaskbarList = {0x56FDF344, 0xFD6D, 0x11D0, {0x95, 0x8A, 0x00, 0x60, 0x97, 0xC9, 0xA0, 0x90}};
    const GUID IID_ITaskbarList = {0x56FDF342, 0xFD6D, 0x11D0, {0x95, 0x8A, 0x00, 0x60, 0x97, 0xC9, 0xA0, 0x90}};
    const GUID IID_ITaskbarList2 = {0x602D4995, 0xB13A, 0x429b, {0xA6, 0x6E, 0x19, 0x35, 0xE4, 0x4F, 0x43, 0x17}};
    const GUID IID_ITaskList3 = {0xEA1AFB91, 0x9E28, 0x4B86, {0x90, 0xE9, 0x9E, 0x9F, 0x8A, 0x5E, 0xEF, 0xAF}};
    void ShowTaskbarIcon(HWND WindowHandle)
    {
        ITaskbarList* TaskListPtr;
        CoInitialize(nullptr);
        long Result = !CoCreateInstance(CLSID_TaskbarList, nullptr, CLSCTX_SERVER, IID_ITaskbarList, reinterpret_cast<void**>(&TaskListPtr));
        if (Result) TaskListPtr->AddTab(WindowHandle);
        TaskListPtr->Release();
        CoUninitialize();
    }
    void HideTaskbarIcon(HWND WindowHandle)
    {
        ITaskbarList* TaskListPtr;
        CoInitialize(nullptr);
        long Result = !CoCreateInstance(CLSID_TaskbarList, nullptr, CLSCTX_SERVER, IID_ITaskbarList, reinterpret_cast<void**>(&TaskListPtr));
        if (Result) TaskListPtr->DeleteTab(WindowHandle);
        TaskListPtr->Release();
        CoUninitialize();
    }

if want to run function of ITaskbarList, first need run TaskListPtr->HrInit();