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Assets/ThirdParty/PostProcessing/Editor/PropertyDrawers/MinDrawer.cs

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+using UnityEngine;
+using UnityEngine.PostProcessing;
+using MinAttribute = UnityEngine.PostProcessing.MinAttribute;
+
+namespace UnityEditor.PostProcessing
+{
+    [CustomPropertyDrawer(typeof(MinAttribute))]
+    sealed class MinDrawer : PropertyDrawer
+    {
+        public override void OnGUI(Rect position, SerializedProperty property, GUIContent label)
+        {
+            MinAttribute attribute = (MinAttribute)base.attribute;
+
+            if (property.propertyType == SerializedPropertyType.Integer)
+            {
+                int v = EditorGUI.IntField(position, label, property.intValue);
+                property.intValue = (int)Mathf.Max(v, attribute.min);
+            }
+            else if (property.propertyType == SerializedPropertyType.Float)
+            {
+                float v = EditorGUI.FloatField(position, label, property.floatValue);
+                property.floatValue = Mathf.Max(v, attribute.min);
+            }
+            else
+            {
+                EditorGUI.LabelField(position, label.text, "Use Min with float or int.");
+            }
+        }
+    }
+}