From 901abc184c33d1c88a2d0fc1b899dc37bc695b63 Mon Sep 17 00:00:00 2001
From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Sat, 14 Jul 2007 20:27:01 +0000
Subject: [PATCH] allow setting empty tooltip in SetIcon() [backport of rev
 47474 from trunk]

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_8_BRANCH@47475 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---
 src/msw/taskbar.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/msw/taskbar.cpp b/src/msw/taskbar.cpp
index 503480beae..1e92de985d 100644
--- a/src/msw/taskbar.cpp
+++ b/src/msw/taskbar.cpp
@@ -155,10 +155,11 @@ bool wxTaskBarIcon::SetIcon(const wxIcon& icon, const wxString& tooltip)
         notifyData.hIcon = GetHiconOf(icon);
     }
 
+    // set NIF_TIP even for an empty tooltip: otherwise it would be impossible
+    // to remove an existing tooltip using this function
+    notifyData.uFlags |= NIF_TIP;
     if ( !tooltip.empty() )
     {
-        notifyData.uFlags |= NIF_TIP;
-//        lstrcpyn(notifyData.szTip, tooltip.c_str(), WXSIZEOF(notifyData.szTip));
         wxStrncpy(notifyData.szTip, tooltip.c_str(), WXSIZEOF(notifyData.szTip));
     }