From d059b4e56ff110aa9ef4f72f2a544c1800d67626 Mon Sep 17 00:00:00 2001
From: rebeccakak <65151532+rebeccakak@users.noreply.github.com>
Date: Tue, 21 Feb 2023 10:58:59 +0800
Subject: [PATCH] Update WebTwain_Viewer.md

---
 info/api/WebTwain_Viewer.md | 22 ++--------------------
 1 file changed, 2 insertions(+), 20 deletions(-)

diff --git a/info/api/WebTwain_Viewer.md b/info/api/WebTwain_Viewer.md
index bc1d33ec..35fe7243 100644
--- a/info/api/WebTwain_Viewer.md
+++ b/info/api/WebTwain_Viewer.md
@@ -2587,32 +2587,14 @@ The default value is 0 (Single). Even if checkbox is used, only one image can be
 
 ## Events
 
-### click
-
-### contextmenu
-
-### dblclick
-
-### mousemove
-
-### mousedown
-
-### mouseup
-
-### mouseout
-
-### mouseover
-
-### keydown
-
-### keyup
+### On
 
 **Syntax**
 
 ```typescript
 /**
  * Built-in callbacks that are triggered for a certain mouse event or keyboard event on a page.
- * @param eventName Specify the event.
+ * @param eventName Specify the event. Value: click, contextmenu, dblclick, mousemove, mousedown, mouseup, mouseout, mouseover, keydown, keyup.
  * @param callback Specify the callback.
  * @argument dwtEvent The viewer-specific event object.
  * @argument domEvent The original mouse event object.