Basic Axes Handle question

Ok so this is an extremely basic question.

If I write

h=gca

Matlab should create a new figure with axes and give me its handle. Exactly how its described in the helpfile.

But if I try to do this

set(h, 'title', 'testtitle')

I get an error saying

??? Error using ==> set Value must be a handle

I dont understand why MATLAB doesnt think its a handle, its obviously an axes handle.

Answer 1

[Fangjun Jiang]

h=gca;
TitleHandle=get(h,'title')
set(TitleHandle,'string','this is title text');