Sends a panel to a client. Unlike full menus, the handler function will only receive the following actions, both of which will have INVALID_HANDLE for a menu, and the client as param1. MenuAction_Select (param2 will be the key pressed) MenuAction_Cancel (param2 will be the reason) Also, if the menu fails to display, no callbacks will be called.
native bool SendPanelToClient(Handle panel, int client, MenuHandler handler, int time)