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Version 1.9 Build 1556

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pgplotwidget.canplay - Function

	Package	display
	Module	plotter
	Tool	pgplotwidget

return whether a command can be executed

Synopsis
canplay()

Description
This function returns true if the given command is recognized as a supported plot command. To be recognized, the command parameter must be the name of a plotting function of this tool (either a ``raw'' plotting command supported by the Glish/PGPLOT agent or higher level command, like settings() or plotxy()) or a custom command that has been added via the addredrawfunction() function (usually as part of a plug-in).

Example
Consider this session in which no custom commands have been added:

- print pg.canplay('plotxy');
T
- print pg.canplay('gray');
T
- print pg.canplay('grayscale');
F