1Date
 2 $DATE$ Year/month/day formatted as %04d/%02d/%02d
 3 $DAY$ Day of month formatted as %d
 4 $DAY_02$ Day of month formatted as %02d
 5 $DAYNAME$ Three-character abbreviation of day
 6 $DAYLONGNAME$ Full name of day
 7 $MONTH$ Month formatted as %d
 8 $MONTH_02$ Month formatted as %02d
 9 $MONTHNAME$ Three-character abbreviation of month
10 $MONTHLONGNAME$ Full name of month
11 $YEAR$ Year formatted as %d
12 $YEAR_02$ Year formatted as %02d
13Time $HOUR$ Hour formatted as %d
14 $HOUR_02$ Hour formatted as %02d
15 $MINUTE$ Minute formatted as %02d
16 $SECOND$ Second formatted as %02d

17File
18 $FILE$ Full filename with path*
19 $FILE_UPPER$ Full filename with path in uppercase*
20 $FILE_BASE$ Filename without path or extension*
21 $FILE_BASE_UPPER$ Filename without path or extension in upper case*
22 $FILE_EXT$ Filename extension*
23 $FILE_EXT_UPPER$ Filename extension in upper case*
24 $FILE_PATH$ Path of file*
25 $FILE_PATH_UPPER$ Path of file in upper case*

26General
27 $clipboard$ Current clipboard
28 $end$ Position of caret after expansion
29 $selected$ Current selection**
30 $$ Literal '$' character

31Symbol Context
32 $MethodName$ Name of containing method
33 $MethodArgs$ Method parameters
34 $ClassName$ Name of containing class
35 $BaseClassName$ Name of base class of containing class
36 $NamespaceName$ Name of innermost containing namespace

37GUID
38 $GUID_DEFINITION$ Generated GUID formatted for use in a definition
39 $GUID_STRING$ Generated GUID formatted for use in a string
40 $GUID_STRUCT$ Generated GUID formatted for use in a struct

41 Refactor
42 $GeneratedPropertyName$ Property name generated during Encapsulate Field
43 $MethodArg$ One parameter of the method and its type
44 $MethodArgName$ One parameter of the method
45 $MethodArgType$ Type of one parameter of the method
46 $MethodBody$ Body of implementation
47 $MethodQualifier$ Optional qualifiers of method
48 $ParameterList$ Parameters separated by commas
49 $SymbolContext$ Context and name of method
50 $SymbolName$ Name of method
51 $SymbolPrivileges$ Access of method
52 $SymbolStatic$ Keyword static or blank
53 $SymbolType$ Return type of method
54 $SymbolVirtual$ Keyword virtual or blank

另外，參考官方網(wǎng)站http://www.wholetomato.com/products/features/vasnippets.asp學(xué)習(xí)更多。。
最后的最后是系統(tǒng)環(huán)境常用的變量（也許有用）：

WINDOWS系統(tǒng)變量
ALLUSERSPROFILE=H:\Documents and Settings\All Users        //所有用戶的PROFILE路徑
APPDATA=H:\Documents and Settings\Administrator\Application Data        //當(dāng)前用戶的應(yīng)用程序路徑
ClusterLog=H:\WINDOWS\Cluster\cluster.log        //集群日志路徑
CommonProgramFiles=H:\Program Files\Common Files        //應(yīng)用程序公用的文件路徑
COMPUTERNAME=E2003        //計(jì)算機(jī)名稱
ComSpec=H:\WINDOWS\system32\cmd.exe        //當(dāng)前的命令解釋器
HOMEDRIVE=H:         //當(dāng)前用戶的主盤
HOMEPATH=\Documents and Settings\Administrator        //當(dāng)前用戶的主目錄
LOGONSERVER=\E2003        //登錄的服務(wù)器
NUMBER_O_PROCESSORS=1        //當(dāng)前計(jì)算機(jī)的處理器數(shù)字
OS=Windows_NT        //當(dāng)前系統(tǒng)的內(nèi)核
Path=H:\Program Files\Support Tools\;H:\WINDOWS\system32;        //學(xué)過DOS的都知道
PATHEXT=.COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH        //以前DOS下默認(rèn)的是COM,EXE,BAT,現(xiàn)在已經(jīng)有這么多了喲,以前都不知道,腳本都可以不打擴(kuò)展名了
PROCESSOR_ARCHITECTURE=x86        //處理器架構(gòu)
PROCESSOR_IDENTIFIER=x86 Family 15 Model 1 Stepping 3, GenuineIntel        //處理器標(biāo)識(shí)符
PROCESSOR_LEVEL=15        //沒注意過,不知道有什么用
PROCESSOR_REVISION=0103        //版本?
ProgramFiles=H:\Program Files        //應(yīng)用程序的默認(rèn)安裝目錄
PROMPT=$P$G        //學(xué)過DOS的都知道
SESSIONNAME=Console        //會(huì)話名稱?
SystemDrive=H:    //系統(tǒng)所在的盤符
SystemRoot=H:\WINDOWS        //系統(tǒng)所在的目錄
TEMP=H:\DOCUME~1\ADMINI~1\LOCALS~1\Temp         //當(dāng)前用戶的臨時(shí)目錄
TMP=H:\DOCUME~1\ADMINI~1\LOCALS~1\Temp          //同上
USERDNSDOMAIN=MCSE.COM        //當(dāng)前用戶所在的域的DNS表示
USERDOMAIN=MCSE        //NETBIOS表示
USERNAME=administrator        //當(dāng)前用戶名
USERPROFILE=H:\Documents and Settings\Administrator        //當(dāng)前用戶的配置文件目錄
windir=H:\WINDOWS        //windows所在的目錄，總是跟systemroot一樣