The event-injected flags. An application can use the following values to test the flags. Testing LLMHF_INJECTED (bit 0) will tell you whether the event was injected. If it was, then testing LLMHF_LOWER_IL_INJECTED (bit 1) will tell you whether or not the event was injected from a process running at lower integrity level.
public enum ExtendedMouseFlags : uint
Test the event-injected (from any process) flag.
Test the event-injected (from a process running at lower integrity level) flag.