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Setting non-numeric grid row/column sizes in WPF/Silverlight

, 14 Apr 2010 CPOL
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John, here's a simpler way to do this. This will also handle strings like "3*" which are valid grid length values in Xaml.private RowDefinition MakeRowDefinition(string height){ RowDefinition rowDef = new RowDefinition(); GridLengthConverter converter = new...
John, here's a simpler way to do this. This will also handle strings like "3*" which are valid grid length values in Xaml.

private RowDefinition MakeRowDefinition(string height)
{
    RowDefinition rowDef = new RowDefinition();
 
    GridLengthConverter converter = new GridLengthConverter();
 
    GridLength gridLength;
 
    try
    {
        gridLength = (GridLength)converter.ConvertFromString(height);
    }
    catch (FormatException)
    {
        gridLength = new GridLength();
    }
 
    rowDef.Height = gridLength;
 
    return rowDef;
}

You could also make the GridLengthConverter an instance field so you don't have to instantiate it for each call.

Note : GridLengthConverter is only available in WPF. It's not available for Silverlight.

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Nish Nishant

United States United States
Nish Nishant is a Software Architect/Consultant based out of Columbus, Ohio. He has over 15 years of software industry experience in various roles including Lead Software Architect, Principal Software Engineer, and Product Manager. Nish is a recipient of the annual Microsoft Visual C++ MVP Award since 2002 (13 consecutive awards as of 2014).

Nish is an industry acknowledged expert in the Microsoft technology stack. He authored
C++/CLI in Action for Manning Publications in 2005, and had previously co-authored
Extending MFC Applications with the .NET Framework for Addison Wesley in 2003. In addition, he has over 140 published technology articles on CodeProject.com and another 250+ blog articles on his
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Contact Nish : You can reach Nish on his google email id voidnish.

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