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Editorial Team
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Asked: 2026-05-28T05:46:14+00:00

A very weird situation… Using the debugger in VS2010 I can look up a

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A very weird situation…

Using the debugger in VS2010 I can look up a property MinSize of a RowDefinition which is defined on it’s base class DefinitionBase. I can also ask for the value of this property in the immediate window. See the attached screendump.

BUT, when trying to use this property in code it gives an error stating:

'System.Windows.Controls.RowDefinition' does not contain a definition for 'MinSize' and no extension method 'MinSize' accepting a first argument of type 'System.Windows.Controls.RowDefinition' could be found (are you missing a using directive or an assembly reference?)

Also looking in MSDN RowDefinition Class there is no such property as MinSize (also not on the DefinitionBase).

I feel pretty confused. Any help would be appreciated.

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1 Answer

  1. Editorial Team

    MinSize appears to be internal from here (notice the yellow icon in the lower left on top of the property icon), don’t you want MinHeight?

    (You do not see properties in the IDE that you cannot get or set, it would just be clutter, so you normally just see public ones and if you inherit from some class you also get the protected members)

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