void testRegistory() { String entry = "SOFTWARE\\Microsoft\\DirectX"; int hKey = new int[1]; try { int rc = OS.RegOpenKeyEx(OS.HKEY_LOCAL_MACHINE, new TCHAR(OS.CP_INSTALLED, entry, true), 0, 0xF003F/*KEY_ALL_ACCESS*/, hKey); TCHAR buf = new TCHAR(OS.CP_INSTALLED, 256); int len = new int[] { 256 }; rc = OS.RegQueryValueEx(hKey[0], new TCHAR(OS.CP_INSTALLED, "Version", true), 0, null, buf, len); Sys