Revise progress releted API to be more usual.

- Add PulseProgress
- Add SetProgressRange, instead of hard coding 100.

Author: Chaobin Zhang

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@77581 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

samples/taskbarbutton/taskbarbutton.cpp

@@ -262,6 +262,13 @@ wxEND_EVENT_TABLE()
 
 void MyFrame::OnSetProgressValue(wxScrollEvent& WXUNUSED(event))
 {
+    static bool s_hasRangeSet = false;
+    if ( !s_hasRangeSet )
+    {
+      MSWGetTaskBarButton()->SetProgressRange(100);
+      s_hasRangeSet = true;
+    }
+
     MSWGetTaskBarButton()->SetProgressValue(m_slider->GetValue());
 }