[修复](事件): 事件可能为空的判断

AlianBlank · AlianBlank · commit c8ad743515c4 · 2025-06-11T17:31:21.000+08:00
diff --git a/Runtime/FUI.cs b/Runtime/FUI.cs
@@ -27,7 +27,7 @@ protected override void InternalSetVisible(bool value)
 
             GObject.visible = value;
             OnVisibleChanged?.Invoke(value);
-            EventSubscriber.Fire(UIFormVisibleChangedEventArgs.EventId, UIFormVisibleChangedEventArgs.Create(this, value, null));
+            EventSubscriber?.Fire(UIFormVisibleChangedEventArgs.EventId, UIFormVisibleChangedEventArgs.Create(this, value, null));
         }
 
         public override bool Visible
@@ -55,7 +55,7 @@ protected set
 
                 GObject.visible = value;
                 OnVisibleChanged?.Invoke(value);
-                EventSubscriber.Fire(UIFormVisibleChangedEventArgs.EventId, UIFormVisibleChangedEventArgs.Create(this, value, null));
+                EventSubscriber?.Fire(UIFormVisibleChangedEventArgs.EventId, UIFormVisibleChangedEventArgs.Create(this, value, null));
             }
         }
 

Original file line number	Diff line number	Diff line change
`@@ -27,7 +27,7 @@ protected override void InternalSetVisible(bool value)`
`27`	`27`
`28`	`28`	`GObject.visible = value;`
`29`	`29`	`OnVisibleChanged?.Invoke(value);`
`30`		`- EventSubscriber.Fire(UIFormVisibleChangedEventArgs.EventId, UIFormVisibleChangedEventArgs.Create(this, value, null));`
	`30`	`+ EventSubscriber?.Fire(UIFormVisibleChangedEventArgs.EventId, UIFormVisibleChangedEventArgs.Create(this, value, null));`
`31`	`31`	`}`
`32`	`32`
`33`	`33`	`public override bool Visible`
`@@ -55,7 +55,7 @@ protected set`
`55`	`55`
`56`	`56`	`GObject.visible = value;`
`57`	`57`	`OnVisibleChanged?.Invoke(value);`
`58`		`- EventSubscriber.Fire(UIFormVisibleChangedEventArgs.EventId, UIFormVisibleChangedEventArgs.Create(this, value, null));`
	`58`	`+ EventSubscriber?.Fire(UIFormVisibleChangedEventArgs.EventId, UIFormVisibleChangedEventArgs.Create(this, value, null));`
`59`	`59`	`}`
`60`	`60`	`}`
`61`	`61`