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xtd: xtd::null_pointer_exception Class Reference
The exception that is thrown when there is an attempt to dereference a null object pointer.
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Namespace
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xtd
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Library
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xtd.core
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Examples
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The following example demonstrates how to throw and catch an null_pointer_exception.
null_pointer_exception (const xtd::diagnostics::stack_frame &stack_frame=xtd::diagnostics::stack_frame::current()) Create a new instance of class null_pointer_exception.
null_pointer_exception (const xtd::string &message, const xtd::diagnostics::stack_frame &stack_frame=xtd::diagnostics::stack_frame::current()) Create a new instance of class null_pointer_exception.
null_pointer_exception (const xtd::string &message, const std::error_code &error, const xtd::diagnostics::stack_frame &stack_frame=xtd::diagnostics::stack_frame::current()) Create a new instance of class null_pointer_exception.
null_pointer_exception (const xtd::string &message, const xtd::string &help_link, const xtd::diagnostics::stack_frame &stack_frame=xtd::diagnostics::stack_frame::current()) Create a new instance of class null_pointer_exception.
null_pointer_exception (const xtd::string &message, const std::error_code &error, const xtd::string &help_link, const xtd::diagnostics::stack_frame &stack_frame=xtd::diagnostics::stack_frame::current()) Create a new instance of class null_pointer_exception.
null_pointer_exception (const std::exception &inner_exception, const xtd::diagnostics::stack_frame &stack_frame=xtd::diagnostics::stack_frame::current()) Create a new instance of class null_pointer_exception.
null_pointer_exception (const xtd::string &message, const std::exception &inner_exception, const xtd::diagnostics::stack_frame &stack_frame=xtd::diagnostics::stack_frame::current()) Create a new instance of class null_pointer_exception.
null_pointer_exception (const xtd::string &message, const std::exception &inner_exception, const std::error_code &error, const xtd::diagnostics::stack_frame &stack_frame=xtd::diagnostics::stack_frame::current()) Create a new instance of class null_pointer_exception.
null_pointer_exception (const xtd::string &message, const std::exception &inner_exception, const xtd::string &help_link, const xtd::diagnostics::stack_frame &stack_frame=xtd::diagnostics::stack_frame::current()) Create a new instance of class null_pointer_exception.
null_pointer_exception (const xtd::string &message, const std::exception &inner_exception, const std::error_code &error, const xtd::string &help_link, const xtd::diagnostics::stack_frame &stack_frame=xtd::diagnostics::stack_frame::current()) Create a new instance of class null_pointer_exception.
using exception_ref Optional reference wrapper on std::exception.
system_exception (const xtd::diagnostics::stack_frame &stack_frame=xtd::diagnostics::stack_frame::current()) Create a new instance of class xtd::system_exception.
system_exception (const xtd::optional< xtd::string > &message, const xtd::diagnostics::stack_frame &stack_frame=xtd::diagnostics::stack_frame::current()) Create a new instance of class xtd::system_exception.
template<class exception_t> system_exception (const xtd::optional< xtd::string > &message, const exception_t &inner_exception, const xtd::diagnostics::stack_frame &stack_frame=xtd::diagnostics::stack_frame::current()) Create a new instance of class xtd::system_exception.
system_exception (const xtd::string &message, const std::error_code &error, const xtd::diagnostics::stack_frame &stack_frame=xtd::diagnostics::stack_frame::current()) Create a new instance of class xtd::system_exception.
system_exception (const xtd::string &message, const xtd::string &help_link, const xtd::diagnostics::stack_frame &stack_frame=xtd::diagnostics::stack_frame::current()) Create a new instance of class xtd::system_exception.
system_exception (const xtd::string &message, const std::error_code &error, const xtd::string &help_link, const xtd::diagnostics::stack_frame &stack_frame=xtd::diagnostics::stack_frame::current()) Create a new instance of class xtd::system_exception.
system_exception (const std::exception &inner_exception, const xtd::diagnostics::stack_frame &stack_frame=xtd::diagnostics::stack_frame::current()) Create a new instance of class xtd::system_exception.
system_exception (const xtd::string &message, const std::exception &inner_exception, const xtd::diagnostics::stack_frame &stack_frame=xtd::diagnostics::stack_frame::current()) Create a new instance of class xtd::system_exception.
system_exception (const xtd::string &message, const std::exception &inner_exception, const std::error_code &error, const xtd::diagnostics::stack_frame &stack_frame=xtd::diagnostics::stack_frame::current()) Create a new instance of class xtd::system_exception.
system_exception (const xtd::string &message, const std::exception &inner_exception, const xtd::string &help_link, const xtd::diagnostics::stack_frame &stack_frame=xtd::diagnostics::stack_frame::current()) Create a new instance of class xtd::system_exception.
system_exception (const xtd::string &message, const std::exception &inner_exception, const std::error_code &error, const xtd::string &help_link, const xtd::diagnostics::stack_frame &stack_frame=xtd::diagnostics::stack_frame::current()) Create a new instance of class xtd::system_exception.
virtual const xtd::string & file_path () const noexcept Gets file path where exception occurred.
virtual xtd::size line_number () const noexcept Gets Line number where the exception occurred.
virtual const xtd::string & member_name () const noexcept Gets file member where exception occurred.
virtual const xtd::string & name () const noexcept Gets full class name the exception.
exception (const xtd::diagnostics::stack_frame &stack_frame=xtd::diagnostics::stack_frame::current()) Create a new instance of class exception.
exception (const xtd::optional< xtd::string > &message, const xtd::diagnostics::stack_frame &stack_frame=xtd::diagnostics::stack_frame::current()) Create a new instance of class exception.
template<class exception_t> exception (const xtd::optional< xtd::string > &message, const exception_t &inner_exception, const xtd::diagnostics::stack_frame &stack_frame=xtd::diagnostics::stack_frame::current()) Create a new instance of class exception.
virtual const xtd::string & help_link () const noexcept Gets a link to the help file associated with this exception.
virtual void help_link (const xtd::string &value) noexcept Sets a link to the help file associated with this exception.
virtual int32 h_result () const noexcept Gets HRESULT, a coded numerical value that is assigned to a specific exception.
virtual void h_result (int32 value) noexcept Sets HRESULT, a coded numerical value that is assigned to a specific exception.
virtual const std::error_code & error_code () const noexcept Gets error associate to the exception.
virtual void error_code (const std::error_code &value) noexcept Sets error associate to the exception.
virtual exception_ref inner_exception () const noexcept Gets the exception instance that caused the current exception.
virtual const xtd::string & message () const noexcept Gets message associate to the exception.
virtual const xtd::string & source () const noexcept Gets the name of the application or the object that causes the error.
virtual void source (const xtd::string &value) noexcept Sets the name of the application or the object that causes the error.
virtual xtd::string stack_trace () const noexcept Gets a string representation of the immediate frames on the call stack.
virtual const xtd::diagnostics::stack_frame & get_last_stack_frame () const noexcept Gets the last stack frame where the exception occurred.
xtd::string to_string () const noexcept override Returns a string that represents the current exception.
const char * what () const noexcept override Gets message associate to the exception.
object ()=default Create a new instance of the ultimate base class object.
virtual bool equals (const object &obj) const noexcept Determines whether the specified object is equal to the current object.
virtual xtd::size get_hash_code () const noexcept Serves as a hash function for a particular type.
virtual type_object get_type () const noexcept Gets the type of the current instance.
template<class object_t> xtd::unique_ptr_object< object_t > memberwise_clone () const Creates a shallow copy of the current object.
static bool enable_stack_trace () noexcept Gets if the generation of the stack trace is enabled.
static void enable_stack_trace (bool enable) noexcept Sets if the generation of the stack trace is enabled. @paran enable triue if stack trace enabled; otherwise false.
template<class object_a_t, class object_b_t> static bool equals (const object_a_t &object_a, const object_b_t &object_b) noexcept Determines whether the specified object instances are considered equal.
template<class object_a_t, class object_b_t> static bool reference_equals (const object_a_t &object_a, const object_b_t &object_b) noexcept Determines whether the specified object instances are the same instance.
◆ null_pointer_exception() [1/10] ◆ null_pointer_exception() [2/10]
Create a new instance of class null_pointer_exception.
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Parameters
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message Message string associate to the exception. stack_frame (optional) Contains current stack frame about member name, file path and line number in the file where the exception is occurred. Typically xtd::diagnostics::stack_frame::current().
◆ null_pointer_exception() [3/10]
Create a new instance of class null_pointer_exception.
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Parameters
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message Message string associate to the exception. error Error code associate to the exception. stack_frame (optional) Contains current stack frame about member name, file path and line number in the file where the exception is occurred. Typically xtd::diagnostics::stack_frame::current().
◆ null_pointer_exception() [4/10]
Create a new instance of class null_pointer_exception.
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Parameters
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message Message string associate to the exception. help_link Help link string associate to the exception. stack_frame (optional) Contains current stack frame about member name, file path and line number in the file where the exception is occurred. Typically xtd::diagnostics::stack_frame::current().
◆ null_pointer_exception() [5/10]
Create a new instance of class null_pointer_exception.
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Parameters
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message Message string associate to the exception. error Error code associate to the exception. help_link Help link string associate to the exception.
◆ null_pointer_exception() [6/10]
Create a new instance of class null_pointer_exception.
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Parameters
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inner_exception The exception that is the cause of the current exception. stack_frame (optional) Contains current stack frame about member name, file path and line number in the file where the exception is occurred. Typically xtd::diagnostics::stack_frame::current().
◆ null_pointer_exception() [7/10]
Create a new instance of class null_pointer_exception.
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Parameters
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message Message string associate to the exception. inner_exception The exception that is the cause of the current exception. stack_frame (optional) Contains current stack frame about member name, file path and line number in the file where the exception is occurred. Typically xtd::diagnostics::stack_frame::current().
◆ null_pointer_exception() [8/10]
Create a new instance of class null_pointer_exception.
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Parameters
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message Message string associate to the exception. inner_exception The exception that is the cause of the current exception. error Error code associate to the exception. stack_frame (optional) Contains current stack frame about member name, file path and line number in the file where the exception is occurred. Typically xtd::diagnostics::stack_frame::current().
◆ null_pointer_exception() [9/10]
Create a new instance of class null_pointer_exception.
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Parameters
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message Message string associate to the exception. inner_exception The exception that is the cause of the current exception. help_link Help link string associate to the exception. stack_frame (optional) Contains current stack frame about member name, file path and line number in the file where the exception is occurred. Typically xtd::diagnostics::stack_frame::current().
◆ null_pointer_exception() [10/10]
Create a new instance of class null_pointer_exception.
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Parameters
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message Message string associate to the exception. inner_exception The exception that is the cause of the current exception. error Error code associate to the exception. help_link Help link string associate to the exception. stack_frame (optional) Contains current stack frame about member name, file path and line number in the file where the exception is occurred. Typically xtd::diagnostics::stack_frame::current().
The documentation for this class was generated from the following file:
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