From 4a1d72850cf1d28c3f5f99f93dcb0136089a0918 Mon Sep 17 00:00:00 2001
From: LAPTOP-SNT8I5JK\Boounion <Chenluhua@qq.com>
Date: 星期二, 03 十二月 2024 16:34:33 +0800
Subject: [PATCH] 1.IO页面，上一页、下一页按钮根据页号禁用或启用； 2.PLC页，修复在连接前打开闪退的问题。同进根据连接状态启用或禁用按钮组；
---
SourceCode/Bond/BondEq/CPLC.cpp | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/SourceCode/Bond/BondEq/CPLC.cpp b/SourceCode/Bond/BondEq/CPLC.cpp
index 9b1584c..ba307d3 100644
--- a/SourceCode/Bond/BondEq/CPLC.cpp
+++ b/SourceCode/Bond/BondEq/CPLC.cpp
@@ -242,7 +242,7 @@
bool CPLC::isConnected()
{
- return m_pChannel->isConnected();
+ return m_pChannel != nullptr && m_pChannel->isConnected();
}
int CPLC::readWord(MC::SOFT_COMPONENT softComponent, unsigned int addr,
@@ -308,7 +308,7 @@
static int iii = 0;
iii++;
if (iii % 5 == 3) {
- if (!m_pChannel->isConnected())
+ if (m_pChannel != nullptr && !m_pChannel->isConnected())
m_pChannel->connect();
}
}
\ No newline at end of file
--
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