How can I grab News in MQL4?

 
I have some idea to code ea. but i did not know how read and save news in news tab in meta trader 4 terminal. can anyone  guide me, how do it?
I am  studying about the impact of news in market trend. and have to construct database of news and market chart for studying it.
 

In case of MT4 - there is some article about - 

Displaying a News Calendar