Add new wxCommandLinkButton class.

A command link button wraps a native MSW control under recent Windows versions
and is implemented generically as a simple bitmap button elsewhere.

In the future, GTK implementation should allow using a different font for the
button label and its note.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@65327 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/msw/button.h

@@ -88,13 +88,17 @@ protected:
     virtual void DoSetBitmapMargins(wxCoord x, wxCoord y);
     virtual void DoSetBitmapPosition(wxDirection dir);
 
+    // Increases the passed in size if necessary to account for the
+    // button image, if any
+    void AdjustForBitmapSize(wxSize& size) const;
+
     class wxButtonImageData *m_imageData;
 
     // true if the UAC symbol is shown
     bool m_authNeeded;
 
 private:
-    DECLARE_DYNAMIC_CLASS_NO_COPY(wxButton)
+    wxDECLARE_DYNAMIC_CLASS_NO_COPY(wxButton);
 };
 
 #endif // _WX_BUTTON_H_