From b226dc0712c01278ea6fa92ff8aeea50d8ab7318 Mon Sep 17 00:00:00 2001
From: shaodahong <darryshaw@gmail.com>
Date: Thu, 24 Oct 2019 22:07:47 +0800
Subject: [PATCH] fix: IE browser does not set overflow style

---
 src/Dialog.tsx | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/Dialog.tsx b/src/Dialog.tsx
index 3e32d3bc..29db54fc 100644
--- a/src/Dialog.tsx
+++ b/src/Dialog.tsx
@@ -50,6 +50,7 @@ function offset(el: any) {
 interface ICacheOverflow {
   overflowX?: string;
   overflowY?: string;
+  overflow?: string;
 }
 let cacheOverflow: ICacheOverflow = {};
 
@@ -386,10 +387,16 @@ export default class Dialog extends React.Component<IDialogChildProps, any> {
       cacheOverflow = {
         overflowX: document.body.style.overflowX,
         overflowY: document.body.style.overflowY,
+        overflow:  document.body.style.overflow,
       } as ICacheOverflow;
       document.body.style.overflow = 'hidden';
       switchScrollingEffect();
     } else if (!openCount) {
+      // IE browser doesn't merge overflow style, need to set it separately
+      // https://github.com/ant-design/ant-design/issues/19393
+      if (cacheOverflow.overflow  !== undefined) {
+        document.body.style.overflow = cacheOverflow.overflow;
+      }
       if (cacheOverflow.overflowX !== undefined) {
         document.body.style.overflowX = cacheOverflow.overflowX;
       }