canRun Method (DocumentViewerCommands)
Summary
Checks if a command can run with the specified optional value.
Syntax
JavaScript Syntax
DocumentViewerCommands.prototype.canRun = function(commandName, value)TypeScript Syntax
canRun(commandName: string, value: any): boolean;Parameters
commandName
Command name
value
Optional value to pass to the callback
Return Value
true if the command can run with the specified value; otherwise, false.
Remarks
This method checks if the command exists and if it has a CanRunHandler callback value that is not null, if so, it will invoke the callback with value and returns the result.
If the command does not exist or it does not have a handler, then this method returns false - the command cannot run.
Refer to Document Viewer Commands for more information.
Requirements
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