From de6849e860837770693e6f89576530db5087f928 Mon Sep 17 00:00:00 2001
From: Irony <892768447@qq.com>
Date: Tue, 13 Mar 2018 12:37:47 +0800
Subject: [PATCH] fix handle is -1

---
 多线程使用/线程挂起恢复.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/多线程使用/线程挂起恢复.py b/多线程使用/线程挂起恢复.py
index 54fc402..b2f6636 100644
--- a/多线程使用/线程挂起恢复.py
+++ b/多线程使用/线程挂起恢复.py
@@ -69,12 +69,16 @@ class Window(QWidget):
         self.suspendButton.setEnabled(True)
 
     def onSuspendThread(self):
+        if self._thread.handle == -1:
+            return print('handle is wrong')
         ret = SuspendThread(self._thread.handle)
         print('挂起线程', self._thread.handle, ret)
         self.suspendButton.setEnabled(False)
         self.resumeButton.setEnabled(True)
 
     def onResumeThread(self):
+        if self._thread.handle == -1:
+            return print('handle is wrong')
         ret = ResumeThread(self._thread.handle)
         print('恢复线程', self._thread.handle, ret)
         self.suspendButton.setEnabled(True)