Function GetWindowText

Win32Lib/Win32Lib.cpp:452–462

}

std::wstring GetWindowText(HWND hWnd)
{
	int length = ::GetWindowTextLengthW(hWnd);
	std::vector<wchar_t> text(length + 1);
	if (::GetWindowTextW(hWnd, text.data(), length + 1) == 0)
	{
		if (auto err = GetLastError())
			throw Win32Error(err, "GetWindowText");
	}
	return std::wstring(text.data(), length);
}

std::wstring GetDlgItemText(HWND hDlg, int idc)
{