+// check if the current version is at least major.minor.release
+#define wxCHECK_VERSION(major,minor,release) \
+ (wxMAJOR_VERSION > (major) || \
+ (wxMAJOR_VERSION == (major) && wxMINOR_VERSION > (minor)) || \
+ (wxMAJOR_VERSION == (major) && wxMINOR_VERSION == (minor) && wxRELEASE_NUMBER >= (release)))
+