====== setColor ======

  * Parameters & Types:
    * playerid: number player ID
    * uiid: string the UIID of the custom UI
    * elementid: the UIID of the string element
    * color:string16decimal color value
  * Return value and type:
    * ErrorCode. OK
  * The main purpose of this method is to set the color of the text symbol
  * 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"--Interface ID
    local elementid="6986982063319417057_1"--Component ID
    local color="0xFF0000"-- The color of the component to set
    --Set the color of the player's component
    Customui:setColor(playerid, uiid, elementid, color)
end
ScriptSupportEvent:registerEvent([=[Player.ClickBlock]=], clickblock)
</code>