1 files changed, 18 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
new file mode 100644
index 000000000..84f274965
--- /dev/null
+++ b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/ValidationRules/Required.cs
@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Controls;
+
+namespace Tango.MachineStudio.Common.ValidationRules
+{
+    public class Required : ValidationRule
+    {
+        public override ValidationResult Validate(object value, CultureInfo cultureInfo)
+        {
+            return new ValidationResult(!String.IsNullOrWhiteSpace(value.ToStringSafe()), "Required");
+        }
+    }
+}