How do I databind a ColumnDefinition's Width or RowDefinition's Height?

Question

Under the View-Model-ViewModel pattern for WPF, I am trying to databind the Heights and Widths of various definitions for grid controls, so I can store the values the user s

Answer 1

Create a IValueConverter as follows:

public class GridLengthConverter : IValueConverter
{
    public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
    {
        double val = (double)value;
        GridLength gridLength = new GridLength(val);

        return gridLength;
    }

    public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
    {
        GridLength val = (GridLength)value;

        return val.Value;
    }
}

You can then utilize the converter in your Binding:

    

...