Usage:
   ObjectTemplate.ChangeWeaponWhenNoAmmo boolean

Argument values:

Description: When a weapon runs out of ammo, it will automatically switch to another weapon when the boolean is 1. This property is 0 by default, i.e. the weapon does not change. It is set to 1 in BF 1942 for grenades, landmines, and exppacks, i.e. when you run out of these, you switch to your main weapon.

Related properties: CantSelectWhenNoAmmo, FireInCameraDof

Used in object types (and how often in each type): HandFireArms (24%)

Used in a total of 23 .con files: Objects.con

Parent directory of these .con files: objects/HandWeapons

Example: (from objects/HandWeapons/CommandoKnife/Objects.con)
   ObjectTemplate.Create HandFireArms CommandoKnife
   ObjectTemplate.ItemIndex 1
   ObjectTemplate.NetworkableInfo HandFireArmsInfo
   ObjectTemplate.ProjectileTemplate CommandoKnifeThrowProjectile
   ObjectTemplate.ProjectilePosition 0/0/0
   ObjectTemplate.MagSize 5
   ObjectTemplate.NumOfMag 1
   ObjectTemplate.MagType 0
   ObjectTemplate.FireDelay 0.43
   ObjectTemplate.Reloadtime 1
   ObjectTemplate.RoundOfFire 2
   ObjectTemplate.FireOnce c_True
   ObjectTemplate.AltFireOnce c_True
   ObjectTemplate.GUIIndex 82
   ObjectTemplate.AutoReload 1
   ObjectTemplate.SetHudAmmoType ATIcon
   ObjectTemplate.SetAmmoIcon "Ammo/Ammobar_icon_CommandoKnife_64x32.tga"
   ObjectTemplate.SetCrossHairType CHTIcon
   ObjectTemplate.SetHasMag 0
   ObjectTemplate.FireInCameraDof 1
   ObjectTemplate.LoadSoundScript Sounds/knife.ssc
   ObjectTemplate.SoldierCameraPosition 0/-0.03/0.1
   ObjectTemplate.AiTemplate CommandoKnifeThrowAI
   ObjectTemplate.RotationalSpeed 8/0/0
   ObjectTemplate.Velocity 30
   ObjectTemplate.CantSelectWhenNoAmmo 1
   ObjectTemplate.ChangeWeaponWhenNoAmmo 1
   ObjectTemplate.Hitpoints 10000
   ObjectTemplate.Maxhitpoints 10000
   ObjectTemplate.AmmoType 2
   rem -------------------------------------
   ObjectTemplate.CreateSkeleton animations/CommandoKnife.ske
   ObjectTemplate.UseSkeletonPartAsMain Base
   ObjectTemplate.AddTemplate CommandoKnifeLod
   rem -------------------------------------
   rem *** Used for Alternative fire stabing!
   ObjectTemplate.AddTemplate CommandoKnifeStab