reorganize the sample splitting it in two source files and an additional header; most important: don't tile all the controls into the main frame: it becomes too big; rather use a notebook control to properly layout them

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@59316 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

samples/dataview/dataview.dsp

@@ -256,9 +256,21 @@ SOURCE=.\dataview.cpp
 # End Source File
 # Begin Source File
 
+SOURCE=.\mymodels.cpp
+# End Source File
+# Begin Source File
+
 SOURCE=.\..\sample.rc
 # End Source File
 # End Group
+# Begin Group "Header Files"
+
+# PROP Default_Filter ""
+# Begin Source File
+
+SOURCE=.\mymodels.h
+# End Source File
+# End Group
 # End Target
 # End Project