timer.isvalid

Determine which timer handles are valid.

📝Syntax

tf = isvalid(t)

📥Input Arguments

Parameter	Description
t	Timer object or timer object array.

📤Output Arguments

Parameter	Description
tf	Logical array with the same size as t. Values are true for valid timer handles and false for deleted timer handles.

📄Description

isvalid checks whether timer handles still refer to live timer objects. Calling delete on a timer invalidates the handle.

💡Examples

Check a timer handle before and after deletion.

t = timer('TimerFcn', @(src, event) disp('timer'));
beforeDelete = isvalid(t)
delete(t);
afterDelete = isvalid(t)

🔗See Also

🕔Version History

Version	Description
2.0.0	initial version