How do I create pause and resume in a thread

<pre>Flags()> _  
    Public Enum ThreadAccess As Integer 
        TERMINATE = (&H1)  
        SUSPEND_RESUME = (&H2)  
        GET_CONTEXT = (&H8)  
        SET_CONTEXT = (&H10)  
        SET_INFORMATION = (&H20)  
        QUERY_INFORMATION = (&H40)  
        SET_THREAD_TOKEN = (&H80)  
        IMPERSONATE = (&H100)  
        DIRECT_IMPERSONATION = (&H200)  
    End Enum 
 
    Private Declare Function OpenThread Lib "kernel32.dll" (ByVal dwDesiredAccess As ThreadAccess, ByVal bInheritHandle As Boolean, ByVal dwThreadId As UInteger) As IntPtr  
    Private Declare Function SuspendThread Lib "kernel32.dll" (ByVal hThread As IntPtr) As UInteger  
    Private Declare Function ResumeThread Lib "kernel32.dll" (ByVal hThread As IntPtr) As UInteger  
    Private Declare Function CloseHandle Lib "kernel32.dll" (ByVal hHandle As IntPtr) As Boolean 
 
    Private Sub SuspendProcess(ByVal process As System.Diagnostics.Process)  
        For Each t As ProcessThread In process.Threads  
            Dim th As IntPtr  
 
            th = OpenThread(ThreadAccess.SUSPEND_RESUME, False, t.Id)  
            If th <> IntPtr.Zero Then 
                SuspendThread(th)  
                CloseHandle(th)  
            End If 
        Next 
    End Sub 
 
    Private Sub ResumeProcess(ByVal process As System.Diagnostics.Process)  
        For Each t As ProcessThread In process.Threads  
            Dim th As IntPtr  
 
            th = OpenThread(ThreadAccess.SUSPEND_RESUME, False, t.Id)  
            If th <> IntPtr.Zero Then 
                ResumeThread(th)  
                CloseHandle(th)  
            End If 
        Next 
    End Sub 

Dim work1 As System.Threading.Thread = New Threading.Thread(AddressOf Some task)