The AS in Flash MX 2004 has syntax prompt function, but you must use a specific suffix, you often don't remember it here!
suffix
Object type
_MC
MovieClip
_Array
"Array"
_STR
String "
_BTN
"Button"
_TXT
Textfield
_fmt
TextFormat
_date
"Date"
_Sound
"Sound"
_XML
"XML"
_XMLNode
"XMLNode"
_Xmlsocket
"Xmlsocket"
_Color
"Color"
_cm
"ContextMenu"
_cmi
"ContextMenuItem"
_PJ
"PrintJob"
_MCL
"MovieCliploader"
_ERR
"Error"
_CAM
"Camera"
_LV
"Loadingvars"
_LC
"LocalConnection"
_mic
MicroPhone
_nc
NetConnection
_ns
NetStream
_so
SharedObject "
_Video
"Video"
For example, Button is named submit_btn, so you only need to enter some of it will come out related events and properties.