| CallNextHookEx(IntPtr, Int32, IntPtr, KeyboardLowLevelHookStruct) | Passes the hook information to the next hook procedure in the current hook chain. A hook procedure can call this function either before or after processing the hook information. |
| CallNextHookEx(IntPtr, Int32, IntPtr, MouseLowLevelHookStruct) | Passes the hook information to the next hook procedure in the current hook chain. A hook procedure can call this function either before or after processing the hook information. |
| CallNextHookEx(IntPtr, Int32, IntPtr, IntPtr) | Passes the hook information to the next hook procedure in the current hook chain. A hook procedure can call this function either before or after processing the hook information. |