| systemEvent | An IMGUI mouse event. |
| touch | A Touch structure from the InputManager. |
| modifiers | The modifier keys held down during the event. |
| triggerEvent | The event that sent this event. |
T An initialized event.
Gets an event from the event pool and initializes it with the given values. Use this function instead of creating new events. Events obtained using this method need to be released back to the pool. You can use `Dispose()` to release them.