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Process.GetProcessesByName("进程名")‘不带扩展名
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找不到 就是没有在运行,但不知道能不能判断已暂停状态。
用process.GetProcesses()
或者process.GetProcessByid() 获取进程信息,
Imports System.Runtime.InteropServices
Module Module1
Sub Main()
Dim instance As Process = RunningInstance()
If instance IsNot Nothing Then
ShowWindowAsync(instance.MainWindowHandle, 3) '调用api函数,正常显示窗口
Return
End If
Dim F1 As New Form1
Application.Run(F1) '显示窗体
End Sub
DllImport("User32.dll")
Public Function ShowWindowAsync(ByVal hWnd As System.IntPtr, ByVal cmdShow As Integer) As Boolean
End Function
Private Function RunningInstance() As Process '返回进程中已经打开的程序
Dim current As Process = Process.GetCurrentProcess()
Dim processes As Process() = Process.GetProcessesByName(current.ProcessName)
For Each process As Process In processes
If process.Id current.Id Then
If process.MainModule.FileName = current.MainModule.FileName Then
Return process
End If
End If
Next
Return Nothing
End Function
End Module