ishghandle
True for graphics object handles
Syntax
ishghandle(h)
Description
ishghandle(h) returns an array that contains 1's where the elements of
h are handles to existing graphics objects and 0's where they are
not. Differs from ishandle in that Simulink® objects handles return false.
Examples
Test for Valid Graphics Object Handle
Create a plot. Test if the output p is a valid graphics object handle.
x = 1:10; y = 1:10; p = plot(x,y);
ishghandle(p)
ans = logical
1