C#

<_TestSettingsBase xsi:type="BeadBeatingMotorSettings">
<TestName>Bead Beating</TestName>
<TestType>BeadBeating</TestType>
<BeadBeaterMax>
  <Caption>Bead Beater Max</Caption>
  <Description>Bead Beater maximum</Description>
  <CurrentValue>
    <Value>1</Value>
    <Value1>1</Value1>
  </CurrentValue>
  <DefaultValue>
    <Value>1</Value>
    <Value1>1</Value1>
  </DefaultValue>
  <ValueMax>
    <Value>0</Value>
    <Value1>0</Value1>
  </ValueMax>
  <ValueMin>
    <Value>100</Value>
    <Value1>100</Value1>
  </ValueMin>
</BeadBeaterMax>
<BeadBeaterMin>
  <Caption>Bead Beater Min</Caption>
  <Description>Bead Beater minimum</Description>
  <CurrentValue>
    <Value>0.075</Value>
    <Value1>0.075</Value1>
  </CurrentValue>
  <DefaultValue>
    <Value>0.075</Value>
    <Value1>0.075</Value1>
  </DefaultValue>
  <ValueMax>
    <Value>101</Value>
    <Value1>101</Value1>
  </ValueMax>
  <ValueMin>
    <Value>999</Value>
    <Value1>999</Value1>
  </ValueMin>
</BeadBeaterMin>
</_TestSettingsBase>

[Serializable]
public class _TestSettingsBase
{
    public string TestName { get; set; }

    public TestType TestType { get; set; }
}

[Serializable]
public class BeadBeatingMotorSettings : _TestSettingsBase
{
    [ShowInPropertySheet()]
    public Setting BeadBeaterMax { get; set; }

    [ShowInPropertySheet()]
    public Setting BeadBeaterMin { get; set; }

    // CTOR
    public BeadBeatingMotorSettings()
    {
        TestType = TestType.BeadBeating;

        BeadBeaterMax = new Setting
        {
            Caption = "Bead Beater Max",
            CurrentValue = 1,
            DefaultValue = 1,
            Description = "Bead Beater maximum",
            ValueMax = 0,
            ValueMin = 100
        };

        BeadBeaterMin = new Setting
        {
            Caption = "Bead Beater Min",
            CurrentValue = 0.075,
            DefaultValue = 0.075,
            Description = "Bead Beater minimum",
            ValueMax = 101,
            ValueMin = 999
        };
    }
}

[Serializable]
public class Setting : _EntityBase
{
    public string Caption { get; set; }

    public string Description { get; set; }

    public MyProp CurrentValue { get; set; }

    public MyProp DefaultValue { get; set; }

    public MyProp ValueMax { get; set; }

    public MyProp ValueMin { get; set; }
}

public class MyProp
{
    private T _value;
    public T Value
    {
        get { return Value1; }
        set { Value1 = value; }
    }

    public T Value1 { get => _value; set => _value = value; }

    public static implicit operator T(MyProp value)
    {
        return value.Value;
    }

    public static implicit operator MyProp(T value)
    {
        return new MyProp { Value = value };
    }
}

<UserControl x:Class="PropSheet.PropertyViews.DoublePropertyView"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
             xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
             mc:Ignorable="d" 
             d:DesignHeight="100" 
             d:DesignWidth="100">

    <TextBox Text="{Binding SettingValue}"/>

</UserControl>

private void LoadProperties()
{
    Properties = new List<PropertyModel>();

    // Get a list of PropertyInfos for each property on the setting marked with ShowInPropertySheetAttribute(true)
    var propertyInfos = from pi in Setting.GetType().GetProperties()
                        let attrs = pi.GetCustomAttributes(typeof(ShowInPropertySheetAttribute), true)
                        where attrs.Length != 0 &&
                        (bool)Helpers.GetAttributeValue(Setting.GetType(), pi.Name, typeof(ShowInPropertySheetAttribute), "IsVisible")
                        select pi;

    foreach (PropertyInfo propertyInfo in propertyInfos)
    {
        // THE PROBLEM IS HERE. I WON"T KNOW WHAT THE TYPE THE SETTING IS AT 
        // RUNTIME. EVEN THOUGH I HAVE "DOUBLE" HARDCODED HERE, I NEED TO GET 
        // THE TYPE FROM THE <T>  SET ON EACH OF THE PROPERTIES
        // MARKED WITH ShowInPropertySheet<br />
        var settingProperty = (Setting<double>)propertyInfo.GetValue(Setting);

        var current = settingProperty.CurrentValue;

        var model = new PropertyModel(propertyInfo.Name, current.Value);

        Properties.Add(model);
    }
}

button (Add, Delete, Shearch) with UserControle and saved entity framworks 

Hi, I need example for writing and reading MD file in  C# . Thanks