Use Connect() for compatibility (notably with VC6 which doesn't support
Bind()). Also connect the event handlers on loading the dialog instead of
waiting until the relevant page is selected, this makes the code slightly
simpler as we don't need to remember whether we connected them or not any
longer.
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@66062 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Allow to declare ranges of consecutive IDs in XRC by using the "id[n]" syntax.
Show this functionality in the xrc sample and test it in the new unit test.
Also show and test the "object reference" XRC functionality.
Closes#11431.
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@66059 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
