C#怎样对一个文件夹内的所有文件和文件夹进行监控？

这个微软当然是考虑过的。

watcher.IncludeSubDirectories=true /厅运/此属扮团梁性置为true允许监控子目录

其他几个比较关键的，

Filter用于管理要监控的文件类型或桐，如链接库"*.dll"

NotifyFilter用于管理要监控的改变类型，如changed、renamed、all

'碧橡灶首先先悔扮引用Microsoft Scripting RunTime

'放置3个timer控件，依次命名为timer1，timer2，timer_time

'将下面代码放到代码框中。

Dim size_a As Long, size_b As Long, time_5 As Integer

Dim fso1 As New FileSystemObject

Dim folder1 As Folder

Private Sub Form_Load()

Set folder1 = fso1.GetFolder("d:\samples") '文件夹的位置，根据自己的修改

Print folder1.Size, time_5

Timer1.Interval = 1

Timer2.Interval = 2

Timer_time.Interval = 9999

End Sub

Private Sub Timer_time_Timer()

time_5 = time_5 + 10

If time_5 >= 300 Then

Shell "d:\play.exe" '文件的位置，根据自己的修改

Shell "d:\sendmail.exe" '文件的位置，根据自己的修改

End If

End Sub

Private Sub Timer1_Timer()

Set folder1 = fso1.GetFolder("d:\samples") '文件夹的位置，根据自己的修改

size_a = folder1.Size

If size_b <>size_a Then time_5 = 0

End Sub

Private Sub Timer2_Timer()

Set folder1 = fso1.GetFolder("d:\samples") '文件夹的位置，根据自己的如敏修改

size_b = folder1.Size

End Sub

---