Represents a 64-bit signed integer. More...

Inheritance diagram for System.Int64:

Collaboration diagram for System.Int64:

Public Member Functions
int	CompareTo (object value)
	Compares this instance to a specified object and returns an indication of their relative values. More...

int	CompareTo (long value)
	Compares this instance to a specified 64-bit signed integer and returns an indication of their relative values. More...

override bool	Equals (object obj)
	Returns a value indicating whether this instance is equal to a specified object. More...

bool	Equals (long obj)
	Returns a value indicating whether this instance is equal to a specified T:System.Int64 value. More...

override int	GetHashCode ()
	Returns the hash code for this instance. More...

override string	ToString ()
	Converts the numeric value of this instance to its equivalent string representation. More...

string	ToString (IFormatProvider provider)
	Converts the numeric value of this instance to its equivalent string representation using the specified culture-specific format information. More...

string	ToString (string format)
	Converts the numeric value of this instance to its equivalent string representation, using the specified format. More...

string	ToString (string format, IFormatProvider provider)
	Converts the numeric value of this instance to its equivalent string representation using the specified format and culture-specific format information. More...

TypeCode	GetTypeCode ()
	Returns the T:System.TypeCode for value type T:System.Int64. More...

bool IConvertible.	ToBoolean (IFormatProvider provider)
	For a description of this member, see M:System.IConvertible.ToBoolean(System.IFormatProvider). More...

char IConvertible.	ToChar (IFormatProvider provider)
	For a description of this member, see M:System.IConvertible.ToChar(System.IFormatProvider). More...

sbyte IConvertible.	ToSByte (IFormatProvider provider)
	For a description of this member, see M:System.IConvertible.ToSByte(System.IFormatProvider). More...

byte IConvertible.	ToByte (IFormatProvider provider)
	For a description of this member, see M:System.IConvertible.ToByte(System.IFormatProvider). More...

short IConvertible.	ToInt16 (IFormatProvider provider)
	For a description of this member, see M:System.IConvertible.ToInt16(System.IFormatProvider). More...

ushort IConvertible.	ToUInt16 (IFormatProvider provider)
	For a description of this member, see M:System.IConvertible.ToUInt16(System.IFormatProvider). More...

int IConvertible.	ToInt32 (IFormatProvider provider)
	For a description of this member, see M:System.IConvertible.ToInt32(System.IFormatProvider). More...

uint IConvertible.	ToUInt32 (IFormatProvider provider)
	For a description of this member, see M:System.IConvertible.ToUInt32(System.IFormatProvider). More...

long IConvertible.	ToInt64 (IFormatProvider provider)
	For a description of this member, see M:System.IConvertible.ToInt64(System.IFormatProvider). More...

ulong IConvertible.	ToUInt64 (IFormatProvider provider)
	For a description of this member, see M:System.IConvertible.ToUInt64(System.IFormatProvider). More...

float IConvertible.	ToSingle (IFormatProvider provider)
	For a description of this member, see M:System.IConvertible.ToSingle(System.IFormatProvider). More...

double IConvertible.	ToDouble (IFormatProvider provider)
	For a description of this member, see M:System.IConvertible.ToDouble(System.IFormatProvider). More...

decimal IConvertible.	ToDecimal (IFormatProvider provider)
	For a description of this member, see M:System.IConvertible.ToDecimal(System.IFormatProvider). More...

DateTime IConvertible.	ToDateTime (IFormatProvider provider)
	This conversion is not supported. Attempting to use this method throws an T:System.InvalidCastException. More...

object IConvertible.	ToType (Type type, IFormatProvider provider)
	For a description of this member, see M:System.IConvertible.ToType(System.Type,System.IFormatProvider). More...

Public Member Functions inherited from System.IEquatable< long >
bool	Equals (T other)
	Indicates whether the current object is equal to another object of the same type. More...

Static Public Member Functions
static long	Parse (string s)
	Converts the string representation of a number to its 64-bit signed integer equivalent. More...

static long	Parse (string s, NumberStyles style)
	Converts the string representation of a number in a specified style to its 64-bit signed integer equivalent. More...

static long	Parse (string s, IFormatProvider provider)
	Converts the string representation of a number in a specified culture-specific format to its 64-bit signed integer equivalent. More...

static long	Parse (string s, NumberStyles style, IFormatProvider provider)
	Converts the string representation of a number in a specified style and culture-specific format to its 64-bit signed integer equivalent. More...

static bool	TryParse (string s, out long result)
	Converts the string representation of a number to its 64-bit signed integer equivalent. A return value indicates whether the conversion succeeded or failed. More...

static bool	TryParse (string s, NumberStyles style, IFormatProvider provider, out long result)
	Converts the string representation of a number in a specified style and culture-specific format to its 64-bit signed integer equivalent. A return value indicates whether the conversion succeeded or failed. More...

Public Attributes
internal long	m_value

const long	MaxValue = 9223372036854775807L
	Represents the largest possible value of an `Int64`. This field is constant. More...

const long	MinValue = -9223372036854775808L
	Represents the smallest possible value of an `Int64`. This field is constant. More...

Detailed Description

Represents a 64-bit signed integer.

Definition at line 12 of file Int64.cs.

Member Function Documentation

◆ CompareTo() [1/2]

int System.Int64.CompareTo ( object value )

Compares this instance to a specified object and returns an indication of their relative values.

Parameters

value An object to compare, or null.

Returns: A signed number indicating the relative values of this instance and value .Return Value Description Less than zero This instance is less than value . Zero This instance is equal to value . Greater than zero This instance is greater than value .-or- value is null.

Exceptions

T:System.ArgumentException value is not an T:System.Int64.

Definition at line 30 of file Int64.cs.

◆ CompareTo() [2/2]

int System.Int64.CompareTo ( long value )

Compares this instance to a specified 64-bit signed integer and returns an indication of their relative values.

Parameters

value An integer to compare.

Returns: A signed number indicating the relative values of this instance and value .Return Value Description Less than zero This instance is less than value . Zero This instance is equal to value . Greater than zero This instance is greater than value .

Definition at line 56 of file Int64.cs.

◆ Equals() [1/2]

override bool System.Int64.Equals ( object obj )

Returns a value indicating whether this instance is equal to a specified object.

Parameters

obj	An object to compare with this instance.

Returns: true if obj is an instance of an T:System.Int64 and equals the value of this instance; otherwise, false.

Definition at line 74 of file Int64.cs.

◆ Equals() [2/2]

bool System.Int64.Equals ( long obj )

Returns a value indicating whether this instance is equal to a specified T:System.Int64 value.

Parameters

obj	An T:System.Int64 value to compare to this instance.

Returns: true if obj has the same value as this instance; otherwise, false.

Definition at line 89 of file Int64.cs.

◆ GetHashCode()

override int System.Int64.GetHashCode ( )

Returns the hash code for this instance.

Returns: A 32-bit signed integer hash code.

Definition at line 97 of file Int64.cs.

◆ GetTypeCode()

TypeCode System.Int64.GetTypeCode ( )

Returns the T:System.TypeCode for value type T:System.Int64.

Returns: The enumerated constant, F:System.TypeCode.Int64.

Implements System.IConvertible.

Definition at line 250 of file Int64.cs.

◆ Parse() [1/4]

static long System.Int64.Parse ( string s )

static

Converts the string representation of a number to its 64-bit signed integer equivalent.

Parameters

s	A string containing a number to convert.

Returns: A 64-bit signed integer equivalent to the number contained in s .

Exceptions

T:System.ArgumentNullException	s is `null`.
T:System.FormatException	s is not in the correct format.
T:System.OverflowException	s represents a number less than F:System.Int64.MinValue or greater than F:System.Int64.MaxValue.

Definition at line 156 of file Int64.cs.

◆ Parse() [2/4]

static long System.Int64.Parse	(	string	s,
		NumberStyles	style
	)

static

Converts the string representation of a number in a specified style to its 64-bit signed integer equivalent.

Parameters

s	A string containing a number to convert.
style	A bitwise combination of T:System.Globalization.NumberStyles values that indicates the permitted format of s . A typical value to specify is F:System.Globalization.NumberStyles.Integer.

Returns: A 64-bit signed integer equivalent to the number specified in s .

Exceptions

T:System.ArgumentNullException	s is `null`.
T:System.ArgumentException	style is not a T:System.Globalization.NumberStyles value. -or- style is not a combination of F:System.Globalization.NumberStyles.AllowHexSpecifier and F:System.Globalization.NumberStyles.HexNumber values.
T:System.FormatException	s is not in a format compliant with style .
T:System.OverflowException	s represents a number less than F:System.Int64.MinValue or greater than F:System.Int64.MaxValue.-or- style supports fractional digits but s includes non-zero fractional digits.

Definition at line 176 of file Int64.cs.

◆ Parse() [3/4]

static long System.Int64.Parse	(	string	s,
		IFormatProvider	provider
	)

static

Converts the string representation of a number in a specified culture-specific format to its 64-bit signed integer equivalent.

Parameters

s	A string containing a number to convert.
provider	An object that supplies culture-specific formatting information about s .

Returns: A 64-bit signed integer equivalent to the number specified in s .

Exceptions

T:System.ArgumentNullException	s is `null`.
T:System.FormatException	s is not in the correct format.
T:System.OverflowException	s represents a number less than F:System.Int64.MinValue or greater than F:System.Int64.MaxValue.

Definition at line 193 of file Int64.cs.

◆ Parse() [4/4]

static long System.Int64.Parse	(	string	s,
		NumberStyles	style,
		IFormatProvider	provider
	)

static

Converts the string representation of a number in a specified style and culture-specific format to its 64-bit signed integer equivalent.

Parameters

s	A string containing a number to convert.
style	A bitwise combination of enumeration values that indicates the style elements that can be present in s . A typical value to specify is F:System.Globalization.NumberStyles.Integer.
provider	An T:System.IFormatProvider that supplies culture-specific formatting information about s .

Returns: A 64-bit signed integer equivalent to the number specified in s .

Exceptions

T:System.ArgumentNullException	s is `null`.
T:System.ArgumentException	style is not a T:System.Globalization.NumberStyles value. -or- style is not a combination of F:System.Globalization.NumberStyles.AllowHexSpecifier and F:System.Globalization.NumberStyles.HexNumber values.
T:System.FormatException	s is not in a format compliant with style .
T:System.OverflowException	s represents a number less than F:System.Int64.MinValue or greater than F:System.Int64.MaxValue. -or- style supports fractional digits, but s includes non-zero fractional digits.

Definition at line 214 of file Int64.cs.

◆ ToBoolean()

bool IConvertible. System.Int64.ToBoolean ( IFormatProvider provider )

For a description of this member, see M:System.IConvertible.ToBoolean(System.IFormatProvider).

Parameters

provider This parameter is ignored.

Returns: true if the value of the current instance is not zero; otherwise, false.

Implements System.IConvertible.

Definition at line 260 of file Int64.cs.

◆ ToByte()

byte IConvertible. System.Int64.ToByte ( IFormatProvider provider )

For a description of this member, see M:System.IConvertible.ToByte(System.IFormatProvider).

Parameters

provider This parameter is ignored.

Returns: The value of the current instance, converted to a T:System.Byte.

Implements System.IConvertible.

Definition at line 287 of file Int64.cs.

◆ ToChar()

char IConvertible. System.Int64.ToChar ( IFormatProvider provider )

For a description of this member, see M:System.IConvertible.ToChar(System.IFormatProvider).

Parameters

provider This parameter is ignored.

Returns: The value of the current instance, converted to a T:System.Char.

Implements System.IConvertible.

Definition at line 269 of file Int64.cs.

◆ ToDateTime()

DateTime IConvertible. System.Int64.ToDateTime ( IFormatProvider provider )

This conversion is not supported. Attempting to use this method throws an T:System.InvalidCastException.

Parameters

provider This parameter is ignored.

Returns: This conversion is not supported. No value is returned.

Exceptions

T:System.InvalidCastException In all cases.

Implements System.IConvertible.

Definition at line 378 of file Int64.cs.

◆ ToDecimal()

decimal IConvertible. System.Int64.ToDecimal ( IFormatProvider provider )

For a description of this member, see M:System.IConvertible.ToDecimal(System.IFormatProvider).

Parameters

provider This parameter is ignored.

Returns: The value of the current instance, converted to a T:System.Decimal.

Implements System.IConvertible.

Definition at line 368 of file Int64.cs.

◆ ToDouble()

double IConvertible. System.Int64.ToDouble ( IFormatProvider provider )

For a description of this member, see M:System.IConvertible.ToDouble(System.IFormatProvider).

Parameters

provider This parameter is ignored.

Returns: The value of the current instance, converted to a T:System.Double.

Implements System.IConvertible.

Definition at line 359 of file Int64.cs.

◆ ToInt16()

short IConvertible. System.Int64.ToInt16 ( IFormatProvider provider )

For a description of this member, see M:System.IConvertible.ToInt16(System.IFormatProvider).

Parameters

provider This parameter is ignored.

Returns: The value of the current instance, converted to an T:System.Int16.

Implements System.IConvertible.

Definition at line 296 of file Int64.cs.

◆ ToInt32()

int IConvertible. System.Int64.ToInt32 ( IFormatProvider provider )

For a description of this member, see M:System.IConvertible.ToInt32(System.IFormatProvider).

Parameters

provider This parameter is ignored.

Returns: The value of the current instance, converted to an T:System.Int32.

Implements System.IConvertible.

Definition at line 314 of file Int64.cs.

◆ ToInt64()

long IConvertible. System.Int64.ToInt64 ( IFormatProvider provider )

For a description of this member, see M:System.IConvertible.ToInt64(System.IFormatProvider).

Parameters

provider This parameter is ignored.

Returns: The value of the current instance, unchanged.

Implements System.IConvertible.

Definition at line 332 of file Int64.cs.

◆ ToSByte()

sbyte IConvertible. System.Int64.ToSByte ( IFormatProvider provider )

For a description of this member, see M:System.IConvertible.ToSByte(System.IFormatProvider).

Parameters

provider This parameter is ignored.

Returns: The value of the current instance, converted to an T:System.SByte.

Implements System.IConvertible.

Definition at line 278 of file Int64.cs.

◆ ToSingle()

float IConvertible. System.Int64.ToSingle ( IFormatProvider provider )

For a description of this member, see M:System.IConvertible.ToSingle(System.IFormatProvider).

Parameters

provider This parameter is ignored.

Returns: The value of the current instance, converted to a T:System.Single.

Implements System.IConvertible.

Definition at line 350 of file Int64.cs.

◆ ToString() [1/4]

override string System.Int64.ToString ( )

Converts the numeric value of this instance to its equivalent string representation.

Returns: The string representation of the value of this instance, consisting of a minus sign if the value is negative, and a sequence of digits ranging from 0 to 9 with no leading zeroes.

Definition at line 106 of file Int64.cs.

◆ ToString() [2/4]

string System.Int64.ToString ( IFormatProvider provider )

Converts the numeric value of this instance to its equivalent string representation using the specified culture-specific format information.

Parameters

provider An T:System.IFormatProvider that supplies culture-specific formatting information.

Returns: The string representation of the value of this instance as specified by provider .

Implements System.IConvertible.

Definition at line 116 of file Int64.cs.

◆ ToString() [3/4]

string System.Int64.ToString ( string format )

Converts the numeric value of this instance to its equivalent string representation, using the specified format.

Parameters

format A numeric format string.

Returns: The string representation of the value of this instance as specified by format .

Exceptions

T:System.FormatException format is invalid or not supported.

Definition at line 128 of file Int64.cs.

◆ ToString() [4/4]

string System.Int64.ToString	(	string	format,
		IFormatProvider	provider
	)

Converts the numeric value of this instance to its equivalent string representation using the specified format and culture-specific format information.

Parameters

format	A numeric format string.
provider	An object that supplies culture-specific formatting information about this instance.

Returns: The string representation of the value of this instance as specified by format and provider .

Exceptions

T:System.FormatException format is invalid or not supported.

Implements System.IFormattable.

Definition at line 141 of file Int64.cs.

◆ ToType()

object IConvertible. System.Int64.ToType	(	Type	type,
		IFormatProvider	provider
	)

For a description of this member, see M:System.IConvertible.ToType(System.Type,System.IFormatProvider).

Parameters

type	The type to which to convert this T:System.Int64 value.
provider	An T:System.IFormatProvider implementation that provides information about the format of the returned value.

Returns: The value of the current instance, converted to type .

Implements System.IConvertible.

Definition at line 388 of file Int64.cs.

◆ ToUInt16()

ushort IConvertible. System.Int64.ToUInt16 ( IFormatProvider provider )

For a description of this member, see M:System.IConvertible.ToUInt16(System.IFormatProvider).

Parameters

provider This parameter is ignored.

Returns: The value of the current instance, converted to a T:System.UInt16.

Implements System.IConvertible.

Definition at line 305 of file Int64.cs.

◆ ToUInt32()

uint IConvertible. System.Int64.ToUInt32 ( IFormatProvider provider )

For a description of this member, see M:System.IConvertible.ToUInt32(System.IFormatProvider).

Parameters

provider This parameter is ignored.

Returns: The value of the current instance, converted to a T:System.UInt32.

Implements System.IConvertible.

Definition at line 323 of file Int64.cs.

◆ ToUInt64()

ulong IConvertible. System.Int64.ToUInt64 ( IFormatProvider provider )

For a description of this member, see M:System.IConvertible.ToUInt64(System.IFormatProvider).

Parameters

provider This parameter is ignored.

Returns: The value of the current instance, converted to a T:System.UInt64.

Implements System.IConvertible.

Definition at line 341 of file Int64.cs.

◆ TryParse() [1/2]

static bool System.Int64.TryParse	(	string	s,
		out long	result
	)

static

Converts the string representation of a number to its 64-bit signed integer equivalent. A return value indicates whether the conversion succeeded or failed.

Parameters

s A string containing a number to convert.

result When this method returns, contains the 64-bit signed integer value equivalent of the number contained in s , if the conversion succeeded, or zero if the conversion failed. The conversion fails if the s parameter is null or F:System.String.Empty, is not of the correct format, or represents a number less than F:System.Int64.MinValue or greater than F:System.Int64.MaxValue. This parameter is passed uninitialized; any value originally supplied in result will be overwritten.

Returns: true if s was converted successfully; otherwise, false.

Definition at line 226 of file Int64.cs.

◆ TryParse() [2/2]

static bool System.Int64.TryParse	(	string	s,
		NumberStyles	style,
		IFormatProvider	provider,
		out long	result
	)

static

Converts the string representation of a number in a specified style and culture-specific format to its 64-bit signed integer equivalent. A return value indicates whether the conversion succeeded or failed.

Parameters

s	A string containing a number to convert. The string is interpreted using the style specified by style .
style	A bitwise combination of enumeration values that indicates the style elements that can be present in s . A typical value to specify is F:System.Globalization.NumberStyles.Integer.
provider	An object that supplies culture-specific formatting information about s .
result	When this method returns, contains the 64-bit signed integer value equivalent of the number contained in s , if the conversion succeeded, or zero if the conversion failed. The conversion fails if the s parameter is `null` or F:System.String.Empty, is not in a format compliant with style , or represents a number less than F:System.Int64.MinValue or greater than F:System.Int64.MaxValue. This parameter is passed uninitialized; any value originally supplied in result will be overwritten.

Returns: true if s was converted successfully; otherwise, false.

Exceptions

T:System.ArgumentException style is not a T:System.Globalization.NumberStyles value. -or- style is not a combination of F:System.Globalization.NumberStyles.AllowHexSpecifier and F:System.Globalization.NumberStyles.HexNumber values.

Definition at line 242 of file Int64.cs.

Member Data Documentation

◆ MaxValue

const long System.Int64.MaxValue = 9223372036854775807L

Represents the largest possible value of an Int64. This field is constant.

Definition at line 18 of file Int64.cs.

◆ MinValue

const long System.Int64.MinValue = -9223372036854775808L

Represents the smallest possible value of an Int64. This field is constant.

Definition at line 22 of file Int64.cs.

The documentation for this struct was generated from the following file:

D:/All cs/System/Int64.cs

Public Member Functions

Static Public Member Functions

Public Attributes

Detailed Description

Member Function Documentation

◆ CompareTo() [1/2]

◆ CompareTo() [2/2]

◆ Equals() [1/2]

◆ Equals() [2/2]

◆ GetHashCode()

◆ GetTypeCode()

◆ Parse() [1/4]

◆ Parse() [2/4]

◆ Parse() [3/4]

◆ Parse() [4/4]

◆ ToBoolean()

◆ ToByte()

◆ ToChar()

◆ ToDateTime()

◆ ToDecimal()

◆ ToDouble()

◆ ToInt16()

◆ ToInt32()

◆ ToInt64()

◆ ToSByte()

◆ ToSingle()

◆ ToString() [1/4]

◆ ToString() [2/4]

◆ ToString() [3/4]

◆ ToString() [4/4]

◆ ToType()

◆ ToUInt16()

◆ ToUInt32()

◆ ToUInt64()

◆ TryParse() [1/2]

◆ TryParse() [2/2]

Member Data Documentation

◆ MaxValue

◆ MinValue