| Leadtools.Documents.UI Namespace > DocumentViewerCommands Object : Run Method |
function Leadtools.Documents.UI.DocumentViewerCommands.run( commandName , value )
| Parameter | Type | Description |
|---|---|---|
| commandName | string | Command name |
| value | object | Optional value to pass to the callback |
| Type | Description |
|---|---|
| Object | The result of the callback run if the command and its callback exist; otherwise, null. |
This method checks if the command exists and if it has a RunHandler 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 null.
Refer to Document Viewer Commands for more information.