For example, you can display a dialog box to see if the user really wants to delete the figure or save and clean up before closing. The figure CloseRequestFcn allows you to either delay or abort the closing of a figure once the close function has been issued. The delete function does not execute the figure's CloseRequestFcn it simply deletes the specified figure. At the command prompt, call the addme function with two inputs. function c addme (a,b) switch nargin case 2 c a + b case 1 c a + a otherwise c 0 end end. To delete all figures unconditionally, use the statements: Use nargin in the body of the function to determine the number of inputs. If a figure's handle is hidden (i.e., the figure's HandleVisibility property is set to callback or off and the root ShowHiddenHandles property is set on), you must specify the hidden option when trying to access a figure using the all option. Note that using your computer's window manager (i.e., the Close menu item) also calls the figure's CloseRequestFcn. If MATLAB encounters an error that terminates the execution of a CloseRequestFcn, the figure is not deleted. If you specify multiple figure handles, close executes each figure's CloseRequestFcn in turn. The default CloseRequestFcn, closereq, deletes the current figure using delete(get(0,'CurrentFigure')). Without the parentheses, the assignment creates another function handle. If the function does not require any inputs, then you can call the function with empty parentheses, such as. The close function works by evaluating the specified figure's CloseRequestFcn property with the statement: Create a handle and call the function to compute the square of four. Returns 1 if the specified windows have been deleted and 0 otherwise. If h is a vector or matrix, close deletes all figures identified by h.ĭeletes the figure with the specified name.ĭeletes all figures whose handles are not hidden.ĭeletes all figures including those with hidden handles. It optionally returns the status of the close operation.ĭeletes the current figure (equivalent to close(gcf)).ĭeletes the figure identified by h. Close (MATLAB Functions) MATLAB Function ReferenceĬlose deletes the current figure or the specified figure(s).
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