Section: Handle-Based Graphics
b = pvalid(type,propertyname)
where string is a string that contains the name of a
valid graphics object type, and
propertyname is a string that contains the name of the
property to test for.
axes object.
--> pvalid('axes','type')
ans =
1
--> pvalid('axes','children')
ans =
1
--> pvalid('axes','foobar')
ans =
0