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copied!<p>Bindings look like the following:</p> <p>XAML</p> <pre><code><UserControl x:Class="myControl.UserControl1" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"> <Grid> <TextBlock Name="_innerCaption" Text="{Binding MyCaption}"/> </Grid> </UserControl> </code></pre> <p>Now you have to set the DataContext of the XAML file to the class you would like to bind to:</p> <pre><code>namespace myControl { /// <summary> /// Interaction logic for UserControl1.xaml /// </summary> public partial class UserControl1 : UserControl { MyClassToBindTo bindingClass; public UserControl1() { InitializeComponent(); bindingClass = new MyClassToBindTo(); DataContext = bindingClass; } } } </code></pre> <p>And The Binding Class may look like this:</p> <pre><code>public class MyClassToBindTo : NotifyPropertyChangedBase { private string myCaptionString = "hello"; public string MyCaption { get { return myCaptionString } set { myCaptionString = value; OnPropertyChanged("MyCaptionString"); } } // Also implement the INotifyPropertyChanged interface here } </code></pre> <p>Hope this helps you!</p> <p><strong>EDIT:</strong></p> <p>I usually implement the INotifyPropertyChanged stuff in a base class "NotifyPropertyChangedBase:</p> <pre><code>public abstract class PropertyChangedBase : INotifyPropertyChanged { #region Member Variables private static HashSet<string> alreadyCoveredProperties = new HashSet<string>(); #endregion #region INotifyPropertyChanged Members /// <summary> /// Occurs when a property value changes. /// </summary> public event PropertyChangedEventHandler PropertyChanged; /// <summary> /// Calls registered handlers when a property is changed. /// </summary> /// <param name="propertyName">Name of the property.</param> protected void OnPropertyChanged(string propertyName) { PropertyChangedEventHandler handler = this.PropertyChanged; if (handler != null) { handler(this, new PropertyChangedEventArgs(propertyName)); } } /// <summary> /// Removes all property changed subscription from the event handler. /// </summary> protected void RemovePropertyChangedSubscription() { if (this.PropertyChanged != null) { this.PropertyChanged -= new PropertyChangedEventHandler(PropertyChanged); this.PropertyChanged = null; } } /// <summary> /// Determines whether the specified property name refers to a property defined for this object. /// </summary> /// <param name="propertyName">Name of the property.</param> /// <returns> /// Returns <c>true</c> if the provided name refers to a defined property; otherwise, <c>false</c>. /// </returns> /// <remarks>Uses reflection.</remarks> protected bool IsDefinedPropertyName(string propertyName) { string propertyFullName = GetType().FullName + "." + propertyName; if (alreadyCoveredProperties.Contains(propertyFullName)) { return true; } else { PropertyDescriptorCollection col = TypeDescriptor.GetProperties(this); PropertyDescriptor propertyDescriptor = col[propertyName]; // A property exists, if the propertyDescriptor is != null. if (propertyDescriptor != null) { alreadyCoveredProperties.Add(propertyFullName); return true; } else { return false; } } } #endregion } </code></pre>

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