Property | | |-------------------------------------------------------------------------------------------------------------------------------------------| | ColorGroup.UndefinedColorCallback As `UndefinedColorDelegate` | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Warning

This item was deprecated in Xojo 2025r1 with no replacement. If a color is invalid, an `InvalidArgumentException` will be raised.

Set a delegate here to have it be called if a specified named color is undefined.