CAnimateCtrl Class CArchive Class CArchiveException Class CArray Class CAsyncMonikerFile Class CAsyncSocket Class CAutoHideDockSite Class CBasePane Class CBaseTabbedPane Class CBitmap Class CBitmapButton Class CBrush Class CButton Class CByteArray Class CCachedDataPathProperty Class CCheckListBox Class...
The CInternetException class includes two public data members: one holds the error code associated with the exception, and the other holds the context identifier of the Internet application associated with the error.For more information about context identifiers for Internet applications, see the ...
CInternetException::m_dwContextThe context value associated with the operation that caused the exception. CInternetException::m_dwErrorThe error that caused the exception. Remarks TheCInternetExceptionclass includes two public data members: one holds the error code associated with the exception, and ...
CAnimationPoint class CAnimationRect class CAnimationSize class CAnimationStoryboardEventHandler class CAnimationTimerEventHandler class CAnimationValue class CAnimationVariable class CAnimationVariableChangeHandler class CAnimationVariableIntegerChangeHandler class CArchive class CArchiveException class CArray class...
class CInternetException : public CException 成员 公共构造函数 名称描述 CInternetException::CInternetException构造CInternetException对象。 公共数据成员 “属性”描述 CInternetException::m_dwContext与导致异常的操作关联的上下文值。 CInternetException::m_dwError导致异常的错误。
First chance exception at $008E331C. Exception class $C0000005 with message 'access violation at 0x008e331c: read of address 0x00000008'. Process KSQL.exe (18380) d:\program files (x86)\embarcadero\studio\21.0\source\rtl\common\System.Classes.pas ...
1 继承图示 2 具体讲解 C++标准库异常类继承层次中的根类为exception,其定义在exception头文件中,它是C++标准库所有函数抛出异常的基类,exception的接口定义如下: namespace std { class exception {...
class CUserException : public CSimpleException Remarks Use CUserException when you want to use the throw/catch exception mechanism for application-specific exceptions. "User" in the class name can be interpreted as "my user did something exceptional that I need to handle." A CUserException is ...
System.NullReferenceException异常的发生主要源于以下几个原因:1. 对象未初始化:在声明对象后,没有为其分配实例就尝试访问其成员。例如,MyClass myObject; myObject.Method();这段代码会因为myObject未被初始化而抛出异常。2. 引用为空:试图访问一个已经被设置为null的对象。这通常发生在对象被显式设置为null...
class Integer{ public: int a; Integer(int aa):a(aa){} }; Integer a(1),b(2); cout<<a+b; //因为系统的+运算没有对自定义的类的运算方法 建议: 1.自己对+运算符进行运算符重载,,如: class Integer{ public: int a; Integer(int aa):a(aa){} friend const Integer operator+ (const In...