Improved plugin settings support

src/DesktopMagicPluginAPI/Inputs/TextBox.cs

@@ -0,0 +1,31 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DesktopMagicPluginAPI.Inputs
+{
+    public class TextBox : Element
+    {
+        private string _value;
+
+        public string Value
+        {
+            get => _value;
+            set
+            {
+                if (_value != value)
+                {
+                    _value = value;
+                    ValueChanged();
+                }
+            }
+        }
+
+        public TextBox(string value)
+        {
+            Value = value;
+        }
+    }
+}