Figure Properties - SERC

2ishandle
Purpose Determines if values are valid graphics object handles
Syntax array = ishandle(h)
ishandle
Description array = ishandle(h) returns an array that contains 1’s where the elements
of h are valid graphics handles and 0’s where they are not.
Examples Determine whether the handles previously returned by fill remain handles of
existing graphical objects:
X = rand(4); Y = rand(4);
h = fill(X,Y,'blue')
.
.
.
delete(h(3))
.
.
.
ishandle(h)
ans =
1
1
0
1
See Also findobj
“Finding and Identifying Graphics Objects” for related functions
2-1235