ControlsUtils.SetControlPropertyThreadSafeDelegate: Method to change properties of controls in a thread safe way.

VAR.Toolbox/Controls/ControlsUtils.cs

@@ -1,4 +1,5 @@
-using System.Windows.Forms;
+using System.Reflection;
+using System.Windows.Forms;
 
 namespace VAR.Toolbox.Controls
 {
@@ -8,5 +9,32 @@ namespace VAR.Toolbox.Controls
         {
             return size * 96f / ctrl.CreateGraphics().DpiX;
         }
+
+        private delegate void SetControlPropertyThreadSafeDelegate(
+            Control control,
+            string propertyName,
+            object propertyValue);
+
+        public static void SetControlPropertyThreadSafe(
+            Control control,
+            string propertyName,
+            object propertyValue)
+        {
+            if (control.InvokeRequired)
+            {
+                control.Invoke(new SetControlPropertyThreadSafeDelegate
+                (SetControlPropertyThreadSafe),
+                new object[] { control, propertyName, propertyValue });
+            }
+            else
+            {
+                control.GetType().InvokeMember(
+                    propertyName,
+                    BindingFlags.SetProperty,
+                    null,
+                    control,
+                    new object[] { propertyValue });
+            }
+        }
     }
 }