====== showElement ======

  * Parameters & Types:
      * playerid: number player ID
      * uiid: the ID of the string interface
     * elementid: the ID of the string component
     * effectid: number (default parameter)
     * time: number animation duration (default parameter)
  * Return value and type:
    * ErrorCode. OK
  * The main purpose of this method: to display the components
  * Specific use cases are as follows:
<code>
--This function is executed when the player clicks on the block
local function clickblock(event)
    local playerid=event.eventobjid--Click on the player's mini number of the block
    local uiid="6986982063319417057"-- The interface ID of the component to be displayed
    local elementid="6986982063319417057_1"--The ID of the component to be displayed
    --Display the symbol to the player
    Customui:showElement(playerid, uiid, elementid)
end
ScriptSupportEvent:registerEvent([=[Player.ClickBlock]=],clickblock)
</code>