** 另一种处理方法NullReferenceException是使用TRY/CATCH块。** 例如,此代码: using UnityEngine; using System; using System.Collections; public class Example : MonoBehaviour { // Use this for initialization void Start () { try { GameObject go = GameObject.Find("cube"); Debug.Log(go.name); }...
因此,如果您尝试访问正在被引用的对象,但是没有引用对象,您将得到一个NullReferenceException. 当你得到一个NullReferenceException在代码中,这意味着在使用变量之前忘记设置变量。错误消息将类似于: NullReferenceException: Object reference not set to an instance of an object at Example.Start () [0x0000b] in ...
E/Unity: NullReferenceException: Object reference not set to an instance of an object. 1.4#节点销毁后mono回调 注:MonoBehaviour中重载了运算符==与!= 因此部分逻辑的表现比较特殊 参考文献: After the underlying component is destroyed, the C# object for the MonoBehaviour remains in memory until garbage...
2022.3.55f1 6000.0.33f1 6000.1.0a9 Issue ID UUM-92306 Regression Yes - Jan 08, 2025 Reproduction steps: 1. Open the attached project "ReproProj" 2. Open the “/Assets/Scenes/SampleScene.unity” ...
问Unity5 NullReferenceException:未将对象引用设置为Object CoapManager的实例EN1、ViewState 对象为Null。 2、DateSet 空。 3、sql语句或Datebase的原因导致DataReader空。 4、声明字符串变量时未赋空值就应用变量。 5、未用new初始化对象。 6、Session对象为空。 7、对控件赋文本值时,值不存在。 8、使用Request...
Inspector freezes and "NullReferenceException" errors are thrown when "Edit Glyph" button is clicked - Feb 26, 2024 Reproduction steps: 1. Open the attached “TextGlyph.zip” project 2. Select the “Text (TMP)” GameObject in the “Canvas” in the Hierarchy 3. Exp...
NullReferenceException: Object reference not set to an instance of an objectTMPro.TextMeshProUGUI.GenerateTextMesh () (at Library/PackageCache/com.unity.textmeshpro@3.0.6/Scripts/Runtime/TMPro_UGUI_Private.cs:3464)TMPro.TextMeshProUGUI.OnPreRenderCanvas () (at Library/PackageCache/com.unity....
在iOS 设备上,当应用程序收到 NullReferenceException 时,通常会出现此消息。有两种方法可以找出发生故障的位置: 托管堆栈跟踪 Unity includes software-based handling of the NullReferenceException. The AOT compiler includes quick checks for null references each time a method or variable is accessed on an ob...
可空引用类型是C# 8.0引入的一个新特性,允许开发者显式地标记引用类型是否可以为null。通过在项目文件(.csproj)中启用此功能,编译器会在编译时检查潜在的空值引用,并在可能发生空值引用的地方发出警告或错误。 相关优势 提高代码安全性:通过编译时的检查,减少运行时因空值引用导致的NullReferenceException异常。
First of all you should find the stack trace for“Thread 1”, which is the main thread. The very first lines of the stack trace will point to the place where the error occurred. In this example, the trace indicates that the NullReferenceException happened inside the“OptionsMenu”script’s...