gistfile1.txt

void MinimizeAll(_In_ BOOL bDialogsToo, _In_opt_ HWND hwndMy = 0)
{
	if (HWND hwnd = FindWindowW(L"Shell_TrayWnd", 0))
	{
		ULONG dwProcessId;

		if (GetWindowThreadProcessId(hwnd, &dwProcessId))
		{
			AllowSetForegroundWindow(dwProcessId);
			//WCHAR name[0x100];
			//if (HMODULE hmod = LoadLibraryExW(L"taskbar.dll", 0, LOAD_LIBRARY_AS_IMAGE_RESOURCE))
			//{
			//	LoadStringW(hmod, 0x252, name, _countof(name));
			//	FreeLibrary(hmod);
			//}

			HWND hWndChild = 0;
			while (hWndChild = FindWindowExW(hwnd, hWndChild, REBARCLASSNAMEW, 0))
			{
				if (HWND hwndTask = FindWindowEx(hWndChild, 0, L"MSTaskSwWClass", 0 /*name*/))
				{
					if (HANDLE hProcess = OpenProcess(PROCESS_DUP_HANDLE, FALSE, dwProcessId))
					{
						if (HANDLE hEvent = CreateEvent(0, 0, 0, 0))
						{
							HANDLE hRemoteEvent;
							if (DuplicateHandle(GetCurrentProcess(), hEvent, hProcess, &hRemoteEvent, 0, 0, DUPLICATE_SAME_ACCESS))
							{
								if (PostMessageW(hwndTask, 0x435, (WPARAM)hRemoteEvent, bDialogsToo))
								{
									ULONG n;
									while (1 == (n = MsgWaitForMultipleObjectsEx(1, &hEvent, 2000, QS_ALLINPUT, MWMO_INPUTAVAILABLE)))
									{
										MSG msg;
										while (PeekMessageW(&msg, 0, 0, 0, PM_REMOVE))
										{
											DispatchMessageW(&msg);
										}
									}

									if (WAIT_OBJECT_0 != n)
									{
										DbgPrint("%x Fail !!\n", n);
									}
								}

								DuplicateHandle(hProcess, hRemoteEvent, 0, 0, 0, 0, DUPLICATE_CLOSE_SOURCE);
							}

							CloseHandle(hEvent);
						}
						CloseHandle(hProcess);
					}
					break;
				}
			}
		}
	}

	if (hwndMy) SetWindowPos(hwndMy, HWND_TOPMOST, 0, 0, 0, 0, SWP_NOSIZE|SWP_NOMOVE);
}