Merge branch 'wang_master' of https://gitee.com/wangwanxh/Vocs into wang_master

165759d2 · wangwanxh@sina.com · e39ecab6 · c803c695 · 165759d2
Commit 165759d2 authored Jun 22, 2018 by wangwanxh@sina.com
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Showing with 7 additions and 3 deletions

MDIBase.cs GcDevicePc/MDIBase.cs +7 -3

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--- a/GcDevicePc/MDIBase.cs
+++ b/GcDevicePc/MDIBase.cs
@@ -425,9 +425,13 @@ namespace GcDevicePc

        private void WaitHMIFree()
        {
-            this.workProgress.Visible = true;
-            this.workProgress.Value = 0;
-            this.backgroundWorker1.RunWorkerAsync();
+            if (!backgroundWorker1.IsBusy)
+            {
+                this.workProgress.Visible = true;
+                this.workProgress.Value = 0;
+                this.backgroundWorker1.RunWorkerAsync();
+            }
+           
        }

        private void backgroundWorker2_DoWork(object sender, DoWorkEventArgs e)