Dic: in (as a preposition to say while doing something)

■ [PREP] PREP -ing
You use in with a present participle to indicate that when you do something, something else happens as a result.

• In working with others, you find out more about yourself.

■ while doing something or while something is happening, and as a result of this.

• In all the confusion, it is quite possible that some people got tickets without paying.
• In my excitement, I forgot all about the message.

─ in doing sth

• In trying to protect the queen, Howard had put his own life in danger.

■ while doing sth; while sth is happening.

• In attempting to save the child from drowning, she nearly lost her own life.
• In all the commotion I forgot to tell him the news.

.... Cobuild, LDOCE, OALD

Dic. En. Prep. Participle.