Noob question

[Wightpaul]

heya,
how do i re-arm my troops from supply trucks etc?
i read that u have to shiftclick or ctrlclick on the ammo and then on ur infantry/tank or wotever but i can't sus it out

and buildings - if u put troops into a building do they like stand at windows and shoot out at enemy or wot? as when i did that they just seemed to stand in there like the're havin a quick smoke at bottom of the stairs
thx in advance for any much needed help