public void TestClipboard_RegisterFormat() { string format = "DAPPLO.DOPY" + ClipboardNative.SequenceNumber; // Register the format var id1 = ClipboardNative.RegisterFormat(format); // Register the format again var id2 = ClipboardNative.RegisterFormat(format); Assert.Equal(id1, id2); // Make sure it works using (ClipboardNative.Lock()) { ClipboardNative.Clear(); ClipboardNative.SetAsUnicodeString("Blub", format); } }