Einhugur macOS Bridge plugin. |

# NSAlert.BeginSheetModalForWindow Method

Runs the alert modally as a sheet attached to the specified window. This variation takes old style Xojo Window.

BeginSheetModalForWindow(
windowInstance as Window,
completionHandler as AlertCompletionDelegate)

#### Parameters

windowInstance
  The window on which to display the alert sheet.
completionHandler
  Address of completion handler to get the result when the user presses button on the alert.

#### Remarks

#### See Also

NSAlert Class