Use GetParamAsXXX() accessors instead as they combine the calls to HasParam()
and GetParam() and make the code shorter and avoid the duplication of the tag
name.
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@74881 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775