MultilineStringConverter.cs

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using System.Diagnostics.CodeAnalysis;
using System.Globalization;
 
namespace System.ComponentModel;
 
public class MultilineStringConverter : TypeConverter
{
    public override object? ConvertTo(ITypeDescriptorContext? context, CultureInfo? culture, object? value, Type destinationType)
    {
        if (destinationType == null)
        {
            throw new ArgumentNullException("destinationType");
        }
        if (destinationType == typeof(string) && value is string)
        {
            return System.SR.Text;
        }
        return base.ConvertTo(context, culture, value, destinationType);
    }
 
    [RequiresUnreferencedCode("The Type of value cannot be statically discovered. The public parameterless constructor or the 'Default' static field may be trimmed from the Attribute's Type.")]
    public override PropertyDescriptorCollection? GetProperties(ITypeDescriptorContext? context, object value, Attribute[]? attributes)
    {
        return null;
    }
 
    public override bool GetPropertiesSupported(ITypeDescriptorContext? context)
    {
        return false;
    }
}