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Determine whether input is COM or ActiveX object


tf = iscom(h)


tf = iscom(h) returns logical 1 (true) if handle h is a COM or Microsoft® ActiveX® object. Otherwise, returns logical 0 (false).

COM functions are available on Microsoft Windows® systems only.


Test an instance of a Microsoft Excel® application.

h = actxserver('Excel.Application');

MATLAB® displays true, indicating object h is a COM object.

Test an Excel interface:

h = actxserver('Excel.Application');
% Create a workbooks object
w = get(h,workbooks');

MATLAB displays false, indicating object w is not a COM object.

See Also

Introduced before R2006a

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