IJsDialogHandler Methods | 
The IJsDialogHandler type exposes the following members.
| Name | Description | |
|---|---|---|
| OnBeforeUnloadDialog | 
            Called to run a dialog asking the user if they want to leave a page. Return false to use the default dialog implementation.
            Return true if the application will use a custom dialog or if the callback has been executed immediately.
            Custom dialogs may be either modal or modeless. If a custom dialog is used the application must execute callback
            once the custom dialog is dismissed.
              | |
| OnDialogClosed | 
            Called when the dialog is closed.
              | |
| OnJSDialog | 
            Called to run a JavaScript dialog.
              | |
| OnResetDialogState | 
            Called to cancel any pending dialogs and reset any saved dialog state. Will
            be called due to events like page navigation irregardless of whether any
            dialogs are currently pending.
              |