Run immediately following the button's `OnClick` handler with the same arguments.
Run immediately following the button's OnClick handler with the same arguments. Useful for processing clicks on a button without interfering with handlers inherited from a secure template. For further details, see the example under OnClick.
PostClick(self, "button", down)
self - Reference to the widget for which the script was run (button)
button - Name of the mouse button responsible for the click action (string)
down - True for a mouse button down action; false for button up or other actions (boolean)