GuiSetAlpha: Difference between revisions

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__NOTOC__  
{{Client function}}
<!-- Describe in plain english what this function does. Don't go into details, just give an overview -->
__NOTOC__
This fake function is for use with blah & blah and does blahblahblabhalbhl
This changes the alpha level (the visibleness/transparency) of a GUI element


==Syntax==  
==Syntax==  
<!-- NOTE: don't use 'special' names for variable names, e.g. you shouldn't be writing things like 'player player, vehicle vehicle', instead write something like 'player thePlayer, vehicle vehicleToGetInto'. This is less confusing and prevents the syntax highlighting being odd -->
<!-- NOTE: don't use 'special' names for variable names, e.g. you shouldn't be writing things like 'player player, vehicle vehicle', instead write something like 'player thePlayer, vehicle vehicleToGetInto'. This is less confusing and prevents the syntax highlighting being odd -->
<syntaxhighlight lang="lua">
<syntaxhighlight lang="lua">
returnType functionName ( arguments )
bool guiSetAlpha ( element guielement, float alpha )
</syntaxhighlight>  
</syntaxhighlight>
{{OOP||[[GUI widgets|GuiElement]]:setAlpha|alpha|guiGetAlpha}}


===Required Arguments===  
===Required Arguments===  
<!-- List each argument one per line. This should be the argument's name as in the argument list above, NOT the argument's data type -->
*'''guiElement:''' the GUI element whose visibility is to be changed
*'''argumentName:''' description
*'''alpha:''' The visibility/transparency of the GUI element. Ranges from 0 (fully transparent) to 1 (fully opaque). Default value is 0.80.
 
<!-- Only include this section below if there are optional arguments -->
===Optional Arguments===
{{OptionalArg}}
*'''argumentName2:''' description
*'''argumentName3:''' description


===Returns===
===Returns===
<!-- Make this descriptive. Explain what cases will return false. If you're unsure, add a tag to it so we can check -->
Returns ''true'' if the gui element's alpha was successfully changed, ''false'' otherwise.
Returns ''true'' if blah, ''false'' otherwise.


==Example==  
==Example==  
<!-- Explain what the example is in a single sentance -->
This creates a GUI window and allows a player to change it's alpha (the visibleness/transparency) value with a command.
This example does...
<syntaxhighlight lang="lua">--Create a gridlist
<!-- Add the code below, an emphasis should be on making it clear, not optimized. You could provide two versions if you wish, one clear and well commented, the other optimized -->
myWindow = guiCreateWindow ( 0.30, 0.10, 0.5, 0.60, "GUI window title", true )
<syntaxhighlight lang="lua">
 
--This line does...
--Add a command handler to change the alpha of the GUI window.
blabhalbalhb --abababa
--Usage example: '/alpha 0.8', where 0.8 is stored as alphaAmount
--This line does this...
function changeAlpha ( commandName, alphaAmount )
mooo
alphaAmount = tonumber(alphaAmount)
guiSetAlpha ( myWindow, alphaAmount )
end
addCommandHandler ( "alpha", changeAlpha )
</syntaxhighlight>
</syntaxhighlight>


==See Also==
==See Also==
<!-- Change FunctionArea to the area that this function is in on the main function list page, e.g. Server, Player, Vehicle etc -->
{{GUI functions}}
{{FunctionArea_functions}}
{{GUI_events}}
[[Category:Need_Syntax]]  -- leave this until syntax is available. Cannot document the function or event without syntax.
[[Category:Incomplete]] -- leave this unless you complete the function

Latest revision as of 17:19, 21 November 2018

This changes the alpha level (the visibleness/transparency) of a GUI element

Syntax

bool guiSetAlpha ( element guielement, float alpha )

OOP Syntax Help! I don't understand this!

Method: GuiElement:setAlpha(...)
Variable: .alpha
Counterpart: guiGetAlpha


Required Arguments

  • guiElement: the GUI element whose visibility is to be changed
  • alpha: The visibility/transparency of the GUI element. Ranges from 0 (fully transparent) to 1 (fully opaque). Default value is 0.80.

Returns

Returns true if the gui element's alpha was successfully changed, false otherwise.

Example

This creates a GUI window and allows a player to change it's alpha (the visibleness/transparency) value with a command. 

--Create a gridlist
myWindow = guiCreateWindow ( 0.30, 0.10, 0.5, 0.60, "GUI window title", true )

--Add a command handler to change the alpha of the GUI window.
--Usage example: '/alpha 0.8', where 0.8 is stored as alphaAmount
function changeAlpha ( commandName, alphaAmount )
		alphaAmount = tonumber(alphaAmount)
		guiSetAlpha ( myWindow, alphaAmount )
end
addCommandHandler ( "alpha", changeAlpha )

See Also

General functions

Browsers

Buttons

Checkboxes

Comboboxes

Edit Boxes

Gridlists

Memos

Progressbars

Radio Buttons

Scrollbars

Scrollpanes

Static Images

Tab Panels

Tabs

Text Labels

Windows

Input

GUI


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