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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..."
__NOTOC__
platform.window:'''invalidate''' is a function that is part of [[:Category:platform.window|platform.window]].
This routine invalidates a region of the window and forces it to repaint.<br />
x and y default to (0, 0) and width and height default to the pixel width and height of the window.<br />
{{Since|3.0}}
== Syntax ==
platform.window:'''invalidate'''([x, y, width, height])
{| class="wikitable"
|-
! Parameter !! Type !! Description
|-
| <u>x</u> || number || Description of arg1
|-
| <u>y</u> || number || Description of arg2
|-
| <u>width</u> || number || Description of arg3
|-
| <u>height</u> || number || Description of arg4
|}
== Examples ==
<syntaxhighlight>platform.window:invalidate()</syntaxhighlight>
<syntaxhighlight>platform.window:invalidate(0, 0, 50, 10)</syntaxhighlight>
== 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.
== See also ==
*[[:Category:platform.window|platform.window]]
*[[on.paint]]
<br /><br />
[[Category:platform.window]]
platform.window:'''invalidate''' is a function that is part of [[:Category:platform.window|platform.window]].
This routine invalidates a region of the window and forces it to repaint.<br />
x and y default to (0, 0) and width and height default to the pixel width and height of the window.<br />
{{Since|3.0}}
== Syntax ==
platform.window:'''invalidate'''([x, y, width, height])
{| class="wikitable"
|-
! Parameter !! Type !! Description
|-
| <u>x</u> || number || Description of arg1
|-
| <u>y</u> || number || Description of arg2
|-
| <u>width</u> || number || Description of arg3
|-
| <u>height</u> || number || Description of arg4
|}
== Examples ==
<syntaxhighlight>platform.window:invalidate()</syntaxhighlight>
<syntaxhighlight>platform.window:invalidate(0, 0, 50, 10)</syntaxhighlight>
== 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.
== See also ==
*[[:Category:platform.window|platform.window]]
*[[on.paint]]
<br /><br />
[[Category:platform.window]]
