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API:ScrollWindowGetOffset

From RoR Wiki

UI Lua API · ScrollWindow functions
Version: WAR 1.4.8

Returns the vertical scroll offset of a ScrollWindow.

offset = ScrollWindowGetOffset(scrollWindowName)

Arguments

scrollWindowName
string – Name of the ScrollWindow.

Returns

offset
number – Distance in pixels from the top of the content to the top of the visible area.

Details

  • The stock UI never calls this function.

Errors

  • Error in function call 'ScrollWindowGetOffset': Window %s does not exist
  • Error in function call 'ScrollWindowGetOffset': Window %s is not a ScrollWindow

Example

Keeping the scroll position while the content is rebuilt, built from the documented signatures:

local offset = ScrollWindowGetOffset( "MyScrollWindow" )
-- ... rebuild the content ...
ScrollWindowUpdateScrollRect( "MyScrollWindow" )
ScrollWindowSetOffset( "MyScrollWindow", offset )

See also