[Mono-bugs] [Bug 347238] significant performance loss using a deep control nesting

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https://bugzilla.novell.com/show_bug.cgi?id=347238

User jpobst at novell.com added comment
https://bugzilla.novell.com/show_bug.cgi?id=347238#c6





--- Comment #6 from Jonathan Pobst <jpobst at novell.com>  2007-12-28 11:14:22 MST ---
r91996.

2007-12-28  Jonathan Pobst  <monkey at jpobst.com>

        * TextBoxTextRenderer.cs: Implement a cache for measuring each
        character.  This is effective because the typical usage of a
        TextBox is with a limited amount of fonts and characters, and
        the current implementation of TextBox measures everything one
        character at a time.  Another second or two speedup for bug #347238.


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