From c4c80d5fbfc85823881b8161c6b15e1c16fdb2fb Mon Sep 17 00:00:00 2001
From: peter <peter@jetbrains.com>
Date: Fri, 22 Feb 2013 17:46:35 +0100
Subject: [PATCH] don't update parameter info component if it has been disposed
 (IDEA-101557)

---
 .../com/intellij/codeInsight/hint/ParameterInfoController.java  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/platform/lang-impl/src/com/intellij/codeInsight/hint/ParameterInfoController.java b/platform/lang-impl/src/com/intellij/codeInsight/hint/ParameterInfoController.java
index a486736b6c4d..a16223f1fd49 100644
--- a/platform/lang-impl/src/com/intellij/codeInsight/hint/ParameterInfoController.java
+++ b/platform/lang-impl/src/com/intellij/codeInsight/hint/ParameterInfoController.java
@@ -274,7 +274,7 @@ public class ParameterInfoController {
 
     if (elementForUpdating != null) {
       myHandler.updateParameterInfo(elementForUpdating, context);
-      if (myHint.isVisible() && myEditor.getComponent().getRootPane() != null) {
+      if (!myDisposed && myHint.isVisible() && myEditor.getComponent().getRootPane() != null) {
         myComponent.update();
         Pair<Point,Short> pos = myProvider.getBestPointPosition(myHint, (PsiElement)elementForUpdating, offset, true, HintManager.UNDER);
         HintManagerImpl.adjustEditorHintPosition(myHint, myEditor, pos.getFirst(), pos.getSecond());