What MetaEditor Windows dlls used for "Assistant" ?

 
Can someone supply names of the Windows .dll(s) used to achieve the following functionalities?

tia

"Assistant

The assistant makes writing the text of an Advisor easier. It automatically shows the scrollable "List Names" list after you enter several first characters of object names declared in MQL4.

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The assistant automatically shows the "Parameter Info" tooltip after you type the left bracket after declaring the function name. This tooltip contains the list of functional parameters for the object, and the current parameter is displayed in bold type.

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Reason: