Why is there no Delphi error provider?

[DP News-Robot]

Recently I've been looking at the best solution for displaying a data entry validation error, for example when a user needs to enter a description that is not a duplicate and they enter a duplicate the user is informed of the error. Many web sites will display an error below the text box highlighting an error, or displaying an error icon next to the text box. In C# (Visual Studio 2017) when developing a forms application there is a 'ErrorProvider' component that is easy to use and displays an icon on the ri

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