From efd9d23afc03d57c0bdbd696dffa10897087f466 Mon Sep 17 00:00:00 2001
From: plough <plough@fanruan.com>
Date: Mon, 11 Dec 2017 14:28:34 +0800
Subject: [PATCH] =?UTF-8?q?REPORT-4634=20=E7=BB=84=E4=BB=B6=E5=8F=A0?=
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---
 .../src/com/fr/design/mainframe/ComponentTree.java        | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/designer_form/src/com/fr/design/mainframe/ComponentTree.java b/designer_form/src/com/fr/design/mainframe/ComponentTree.java
index 1262bafc7..f5e8936d3 100644
--- a/designer_form/src/com/fr/design/mainframe/ComponentTree.java
+++ b/designer_form/src/com/fr/design/mainframe/ComponentTree.java
@@ -70,6 +70,14 @@ public class ComponentTree extends JTree {
         super.setSelectionPath(path);
     }
 
+    @Override
+    public void removeAll() {
+        if (previewPane != null && previewPane.isVisible()) {
+            previewPane.setVisible(false);
+        }
+        super.removeAll();
+    }
+
 
     /**
      * 是否可编辑