Intergrate wxAppProgressIndicator into wxGuage.

Update the progress bar of taskbar button if wxGuage has wxGA_PROGRESS style.

Author: Chaobin Zhang

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@77631 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/taskbarbutton.h

@@ -130,17 +130,17 @@ private:
 class WXDLLIMPEXP_CORE wxAppProgressIndicator
 {
 public:
-    wxAppProgressIndicator(wxTopLevelWindow *parent, int maxValue);
+    wxAppProgressIndicator(WXWidget parent, int maxValue);
     virtual ~wxAppProgressIndicator();
-    bool Update(int value);
-    bool Pulse();
+    void SetValue(int value);
+    void SetRange(int range);
+    void Pulse();
+    void Reset();
 
 private:
-    void Init();
-
-    wxTopLevelWindow *m_parent;
     int m_maxValue;
-    wxScopedPtr<wxTaskBarButton> m_taskBarButton;
+    WXWidget m_parent;
+    wxTaskBarButton* m_taskBarButton;
 };
 
 enum WXDLLIMPEXP_CORE wxTaskBarJumpListItemType