Canvas: added some DECLARE_CLASS macros to stop it failing

in class info initialisation
Mmedia: compiles agin
Plot: corrected VC++ project settings
Simple toolbar: should draw a highlight again now
Generic dir control: moved control ids to header for apps that
need to get hold of the individual controls
Scintilla: unconditionally compile Scintilla_LinkLexers() to correct
link error in sample


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@15016 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

contrib/include/wx/canvas/canvas.h

@@ -54,6 +54,7 @@ enum wxDRAG_MODE
 // alteration of a  wxCanvasObject functionality
 class wxCanvasObject: public wxEvtHandler
 {
+    DECLARE_CLASS(wxCanvasObject)
 public:
 
     wxCanvasObject();
@@ -214,6 +215,7 @@ protected:
 // The group has a matrix to position/rotate/scale the group.
 class wxCanvasObjectGroup: public wxCanvasObject
 {
+    DECLARE_CLASS(wxCanvasObjectGroup)
 public:
     wxCanvasObjectGroup(double x, double y);
     virtual ~wxCanvasObjectGroup();
@@ -282,6 +284,7 @@ protected:
 // The position/matrix of the referenced Object is accumulated with the one here.
 class wxCanvasObjectRef: public wxCanvasObject
 {
+    DECLARE_CLASS(wxCanvasObjectRef)
 public:
     wxCanvasObjectRef(double x, double y,wxCanvasObject* obj);
 
@@ -332,6 +335,7 @@ protected:
 // wxCanvasRect
 class wxCanvasRect: public wxCanvasObject
 {
+    DECLARE_CLASS(wxCanvasRect)
 public:
     wxCanvasRect( double x, double y, double w, double h , double radius=0 );
     void SetBrush( const wxBrush& brush)  { m_brush = brush; };