platform.window:invalidate
Revision as of 00:14, 25 May 2011 by Adriweb (talk | contribs) (Created page with "__NOTOC__ platform.window:'''invalidate''' is a function that is part of platform.window. This routine invalidates a region of the window and for...")
platform.window:invalidate is a function that is part of platform.window.
This routine invalidates a region of the window and forces it to repaint.
x and y default to (0, 0) and width and height default to the pixel width and height of the window.
This has been introduced in TI-Nspire OS 3.0 (Changes).
Syntax
platform.window:invalidate([x, y, width, height])
| Parameter | Type | Description |
|---|---|---|
| x | number | Description of arg1 |
| y | number | Description of arg2 |
| width | number | Description of arg3 |
| height | number | Description of arg4 |
Examples
platform.window:invalidate()platform.window:invalidate(0, 0, 50, 10)Good to know
The entire window can be forced to repaint with by calling the function with no arguments : platform.window:invalidate() , allowing all parameters to take their default values.
