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含目录底下的子目录，求得其所有文件大小之总和其第二个叁数的目的是起始Static型态的totbyte,呼叫它时，请不要传叁数进去
PrivateSubCommand1_Click()
DimtotAsLong
tot=GetDirTotalByte(“c:\tools\”)
Debug.Printtot
EndSub
PrivateFunctionGetDirTotalByte(CurrentPathAsString,OptionaliAsLong)AsLong
StatictotbyteAsLong
DimnIAsInteger,nDirectoryAsInteger
DimsFileNameAsString,sDirectoryList()AsString
注释：Initialtotbyte,ifitisnottheRecursivecallthefunction
Ifi<>1Then
totbyte=0
EndIf
注释：Firstlistallnormalfilesinthisdirectory
sFileName=Dir(CurrentPath,vbNormal vbHidden vbReadOnly vbSystem vbArchive)
DoWhilesFileName<>””
totbyte=totbyte FileLen(CurrentPath sFileName)
sFileName=Dir
Loop
注释：Nextbuildtemporarylistofsubdirectories
sFileName=Dir(CurrentPath,vbDirectory)
DoWhilesFileName<>””
注释：Ignorecurrentandparentdirectories
IfsFileName<>”.”AndsFileName<>”..”Then
注释：Ignorenondirectories
IfGetAttr(CurrentPath&sFileName)_
AndvbDirectoryThen
nDirectory=nDirectory 1
ReDimPreservesDirectoryList(nDirectory)
sDirectoryList(nDirectory)=CurrentPath&sFileName
EndIf
EndIf
sFileName=Dir
Loop
注释：Recursivelyprocesseachdirectory
FornI=1TonDirectory
GetDirTotalBytesDirectoryList(nI)&”\”,1
NextnI
GetDirTotalByte=totbyte
EndFunction->
