C#解决文件被占用资源，无法删除或修改的方法

Thread parameterThread_t = null; 
private void Print_DetailForm_Shown(object sender, EventArgs e) 
{ 
 
    parameterThread_t = new Thread(new ParameterizedThreadStart(this.openThread_telnet)); 
    //parameterThread_t.IsBackground = false; 
    parameterThread_t.Start(null); 
} 
 
/// <summary> 
/// 线程执行的方法，telnet获取数据 
/// </summary> 
private void openThread_telnet(Object obj) 
{ 
    //TelNet_Manage manage = new TelNet_Manage(); 
    try 
    { 
        manage.PrintBySockets(null, wy_name, table, progressBar1, label2); 
        String localPath = Environment.CurrentDirectory + @"\Ne_data\wy\" + wy_name; 
        if (MessageBox.Show(this,"数据打印完成！\n文件位置：" + localPath + "\n是否进入该目录?", "提示", MessageBoxButtons.YesNo) == DialogResult.Yes) 
        { 
            System.Diagnostics.Process.Start(localPath); 
        } 
        this.Close(); 
        System.Threading.Thread.CurrentThread.Abort();//终止当前线程 
    } 
    catch(Exception e) 
    { 
        MessageBox.Show(this,"打印数据失败！","提示"); 
        System.Threading.Thread.CurrentThread.Abort();//终止当前线程   
        this.Close(); 
    } 
    System.Threading.Thread.CurrentThread.Abort();//终止当前线程   
} 
 
private void button1_Click(object sender, EventArgs e) 
{ 
    //System.Threading.Thread.CurrentThread.Abort();//终止当前线程 
    if (parameterThread_t != null) 
    { 
        parameterThread_t.Interrupt(); 
        parameterThread_t.Abort(); 
        parameterThread_t.Join(); 
         
        GC.Collect(); 
    } 
    this.Close(); 
}