First thing you need to set the game up so you can use console. Go to the game. Right click on the game select game properties. Click on launch options. Type this exactly as i do -dev and then hit enter. And thats it now when you start a match thats not online hit ctrl shift and ` you can also use ctrl-shift and ` or ¬ and for some ctrl-shift and ' or @.

Code	Effect
Change resources	Player_SetResource(Game_GetLocalPlayer(),RT_Fuel, 9999)
Change resources	Player_SetResource(Game_GetLocalPlayer(),RT_Manpower, 9999)
Change resources	Player_SetResource(Game_GetLocalPlayer(),RT_Munition, 9999)
Message_Hide	Hides all incoming messages
Message_Show	Shows all incoming messages
Reveal the map	FOW_RevealAll
Take good screen shots	taskbar_hide
To make taskbar appear	taskbar_show
abort	Aborts the game
ee_bigheadmode(1/0)	Toggles the Big Head mode on (1) or off (0) if you want your infantry or units to look ridiculous.
restart	Restarts the game
setsimrate(x)	Sets the game speed, where X represents a number (i.e. setsimrate (3)) and the default speed is 10.
statgraph()	Enables the "statgraph_channel" codes
statgraph_channel("fps"	Displays how many frames-per-second your game is running at, useful if you need to optimize your performance.
taskbar_hide	Hides the Taskbar
taskbar_show	Shows the Taskbar