Use xpms for checked/unchecked states instead of drawing them (yielded junk)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@56395 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

samples/treectrl/checked.xpm

@@ -0,0 +1,54 @@
+/* XPM */
+static const char * checked_xpm[] = {
+"13 13 38 1",
+" 	c None",
+".	c #CCCED3",
+"+	c #838793",
+"@	c #C4C7CF",
+"#	c #F5F5F5",
+"$	c #BBBBBB",
+"%	c #131313",
+"&	c #0C0C0C",
+"*	c #F6F6F6",
+"=	c #BEBEBE",
+"-	c #030303",
+";	c #060606",
+">	c #B4B4B4",
+",	c #F7F7F7",
+"'	c #C6C6C6",
+")	c #080808",
+"!	c #000000",
+"~	c #C0C0C0",
+"{	c #020202",
+"]	c #363636",
+"^	c #F9F9F9",
+"/	c #505050",
+"(	c #2C2C2C",
+"_	c #545454",
+":	c #606060",
+"<	c #010101",
+"[	c #FAFAFA",
+"}	c #FBFBFB",
+"|	c #333333",
+"1	c #1D1D1D",
+"2	c #FCFCFC",
+"3	c #C4C4C4",
+"4	c #FDFDFD",
+"5	c #B9B9B9",
+"6	c #FEFEFE",
+"7	c #5E5E5E",
+"8	c #777777",
+"9	c #FFFFFF",
+".+++++++++++.",
+"+@@@@@@@@@@@+",
+"+@######$%&#+",
+"+@*****=-;**+",
+"+@$>,,')!~,,+",
+"+@{!]^/!(^^^+",
+"+@_!!:<![[[[+",
+"+@}|!!!1}}}}+",
+"+@22)!!32222+",
+"+@445!)44444+",
+"+@6667866666+",
+"+@9999999999+",
+".+++++++++++."};