function to check that a [...] IElement is null. In [...] .IElement The value to check

function to check [...] of type TIME In [...] check ws

function to check [...] of type DINT In [...] check ws

function to check [...] of type BYTE In [...] check ws

function to check [...] of type WORD In [...] check ws

function to check [...] of type ULINT In [...] check ws

function to check [...] of type UDINT In [...] check ws

function to check [...] of type UINT In [...] check ws

function to check [...] of type LINT In [...] check ws

function to check [...] of type LWORD In [...] check ws