Why does the designer need System.ComponentModel.ISupportInitialize in a Winform?

I can build a winform with controls without ever using ISupportInitialize why do the designer n开发者_StackOverflow中文版eed it ?

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Check out the msdn article.

FTA:

ISupportInitialize allows controls to optimize multiple property assignments. As a result, you can initialize co-dependent properties or batch set multiple properties at design time.