VB.Net检查进程是否存在及关闭进程

Dim i As Integer Dim proc As Process() '判断excel进程是否存在 If System.Diagnostics.Process.GetProcessesByName("excel").Length > 0 Then proc = Process.GetProcessesByName("excel") '得到名为excel进程个数，全部关闭 For i=0 to proc.Length -1 proc(i).Kill() Next End If proc = nothing