1 files changed, 12 insertions, 0 deletions
diff --git a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/ValidationRules/Required.cs b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/ValidationRules/Required.cs
index 84f274965..aac00fdf1 100644
--- a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/ValidationRules/Required.cs
+++ b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/ValidationRules/Required.cs
@@ -8,8 +8,20 @@ using System.Windows.Controls;
 
 namespace Tango.MachineStudio.Common.ValidationRules
 {
+    /// <summary>
+    /// Represents a required field validation rule.
+    /// </summary>
+    /// <seealso cref="System.Windows.Controls.ValidationRule" />
     public class Required : ValidationRule
     {
+        /// <summary>
+        /// When overridden in a derived class, performs validation checks on a value.
+        /// </summary>
+        /// <param name="value">The value from the binding target to check.</param>
+        /// <param name="cultureInfo">The culture to use in this rule.</param>
+        /// <returns>
+        /// A <see cref="T:System.Windows.Controls.ValidationResult" /> object.
+        /// </returns>
         public override ValidationResult Validate(object value, CultureInfo cultureInfo)
         {
             return new ValidationResult(!String.IsNullOrWhiteSpace(value.ToStringSafe()), "Required");