private void OnGUI()
{
EditorGUILayout.PropertyField(serializedObject.FindProperty("objects"));
UnityObject obj = EditorGUILayoutExtension.DragDropAreaSingle(GUILayout.Height(50));
GUI.Box(GUILayoutUtility.GetLastRect(), "使用GUILayout方式绘制接收单个资源区域，无需指定Rect", "GroupBox");
if (obj != null)
{
objects.Add(obj);
serializedObject.ApplyModifiedProperties();
serializedObject.Update();
}
Rect r = GUILayoutUtility.GetRect(50, 50);
GUI.Box(r, "使用GUI方式绘制接收单个资源区域，需指定Rect", "GroupBox");
obj = EditorGUIExtension.DragDropAreaSingle(r);
if (obj != null)
{
objects.Add(obj);
serializedObject.ApplyModifiedProperties();
serializedObject.Update();
}
r = GUILayoutUtility.GetRect(50, 50);
GUI.Box(r, "使用GUI方式绘制接收单个资源区域，需指定Rect，自定义高亮色", "GroupBox");
obj = EditorGUIExtension.DragDropAreaSingle(r, Color.black);
if (obj != null)
{
objects.Add(obj);
serializedObject.ApplyModifiedProperties();
serializedObject.Update();
}
r = GUILayoutUtility.GetRect(50, 50);
GUI.Box(r, "使用GUI方式绘制接收单个资源区域，需指定Rect，自定义鼠标指针", "GroupBox");
obj = EditorGUIExtension.DragDropAreaSingle(r, DragAndDropVisualMode.Link);
if (obj != null)
{
objects.Add(obj);
serializedObject.ApplyModifiedProperties();
serializedObject.Update();
}
r = GUILayoutUtility.GetRect(50, 50);
GUI.Box(r, "使用GUI方式绘制接收多个个资源区域，需指定Rect，自定义高亮色和鼠标指针", "GroupBox");
UnityObject[] objs = EditorGUIExtension.DragDropAreaMulti(r, DragAndDropVisualMode.Link, new Color(0.3f, 0.58f, 0.7f, 0.3f));
if (objs != null)
{
foreach (var item in objs)
{
objects.Add(item);
}
serializedObject.ApplyModifiedProperties();
serializedObject.Update();
}
}