diff --git a/include/wx/msw/taskbarbutton.h b/include/wx/msw/taskbarbutton.h
index 3e3a84e3b7..8960e3ff4e 100644
--- a/include/wx/msw/taskbarbutton.h
+++ b/include/wx/msw/taskbarbutton.h
@@ -22,7 +22,7 @@ public:
     virtual ~wxTaskBarButtonImpl();
 
     virtual void SetProgressValue(int value) wxOVERRIDE;
-    virtual void Show() wxOVERRIDE;
+    virtual void Show(bool show = true) wxOVERRIDE;
     virtual void Hide() wxOVERRIDE;
     virtual void SetThumbnailTooltip(const wxString& tooltip) wxOVERRIDE;
     virtual void SetProgressState(wxTaskBarButtonState state) wxOVERRIDE;
diff --git a/include/wx/taskbarbutton.h b/include/wx/taskbarbutton.h
index a1e4b82554..2534500991 100644
--- a/include/wx/taskbarbutton.h
+++ b/include/wx/taskbarbutton.h
@@ -55,7 +55,7 @@ public:
 
     // Operations:
     virtual void SetProgressValue(int value) = 0;
-    virtual void Show() = 0;
+    virtual void Show(bool show = true) = 0;
     virtual void Hide() = 0;
     virtual void SetThumbnailTooltip(const wxString& tooltip) = 0;
     virtual void SetProgressState(wxTaskBarButtonState state) = 0;
diff --git a/src/msw/taskbarbutton.cpp b/src/msw/taskbarbutton.cpp
index 491611605e..666cc336e6 100644
--- a/src/msw/taskbarbutton.cpp
+++ b/src/msw/taskbarbutton.cpp
@@ -76,14 +76,17 @@ void wxTaskBarButtonImpl::SetProgressValue(int value)
     m_taskbarList->SetProgressValue(m_hwnd, value, 100);
 }
 
-void wxTaskBarButtonImpl::Show()
+void wxTaskBarButtonImpl::Show(bool show)
 {
-    m_taskbarList->AddTab(m_hwnd);
+    if ( show )
+        m_taskbarList->AddTab(m_hwnd);
+    else
+        m_taskbarList->DeleteTab(m_hwnd);
 }
 
 void wxTaskBarButtonImpl::Hide()
 {
-    m_taskbarList->DeleteTab(m_hwnd);
+    Show(false);
 }
 
 void wxTaskBarButtonImpl::SetThumbnailTooltip(const wxString& tooltip)