Acts 10:
44 While Peter yet spake these words, the Holy Ghost fell on all them which heard the word.
45 And they of the circumcision which believed were astonished, as many as came with Peter, because that on the Gentiles also was poured out the gift of the Holy Ghost.
46 For they heard them speak with tongues, and magnify God. Then answered Peter,
47 Can any man forbid water, that these should not be baptized, which have received the Holy Ghost as well as we?
48 And he commanded them to be baptized in the name of the Lord. Then prayed they him to tarry certain days.
Verse 45 shows the Holy Spirit of God poured out unto the Gentiles. So they are filled with the Holy Spirit at this particular moment.
And proof they were filled with the Holy Spirit was them speaking in tongues in verse 46.
In theological terms, the tongues edified the Holy Spirit, or, the tongues was proof these men had actually received the Holy Spirit.
This is why they claim the gifts of the Holy Spirit while in proper action edifies the Holy Spirit, or it confirms it is really the Holy Spirit we are witnessing!!