# wxTimeSpan Class Reference
[Data Structures]

`#include </home/work/projects/wx/2.9/wx/interface/wx/datetime.h>`

## Detailed Description

wxTimeSpan class represents a time interval.

##

Library: wxBase
Category: Data Structures

See also:
  Date and Time, wxDateTime

## Public Member Functions

| wxTimeSpan ()
| Default constructor, constructs a zero timespan.
| wxTimeSpan (long hours, long min=0, wxLongLong sec=0, wxLongLong msec=0)
| Constructs timespan from separate values for each component, with the date set to 0.
wxTimeSpan | Abs () const
| Returns the absolute value of the timespan: does not modify the object.
wxTimeSpan | Add (const wxTimeSpan &diff) const
| Returns the sum of two time spans.
wxTimeSpan & | Add (const wxTimeSpan &diff)
| Adds the given wxTimeSpan to this wxTimeSpan and returns a reference to itself.
wxString | Format (const wxString &=wxDefaultTimeSpanFormat) const
| Returns the string containing the formatted representation of the time span.
int | GetDays () const
| Returns the difference in number of days.
int | GetHours () const
| Returns the difference in number of hours.
wxLongLong | GetMilliseconds () const
| Returns the difference in number of milliseconds.
int | GetMinutes () const
| Returns the difference in number of minutes.
wxLongLong | GetSeconds () const
| Returns the difference in number of seconds.
wxLongLong | GetValue () const
| Returns the internal representation of timespan.
int | GetWeeks () const
| Returns the difference in number of weeks.
bool | IsEqualTo (const wxTimeSpan &ts) const
| Returns true if two timespans are equal.
bool | IsLongerThan (const wxTimeSpan &ts) const
| Compares two timespans: works with the absolute values, i.e.
bool | IsNegative () const
| Returns true if the timespan is negative.
bool | IsNull () const
| Returns true if the timespan is empty.
bool | IsPositive () const
| Returns true if the timespan is positive.
bool | IsShorterThan (const wxTimeSpan &ts) const
| Compares two timespans: works with the absolute values, i.e.
wxTimeSpan | Multiply (int n) const
| Returns the product of this time span by n.
wxTimeSpan & | Multiply (int n)
| Multiplies this time span by n.
wxTimeSpan & | Neg ()
| Negate the value of the timespan.
wxTimeSpan | Negate () const
| Returns timespan with inverted sign.
wxTimeSpan | Subtract (const wxTimeSpan &diff) const
| Returns the difference of two time spans.
wxTimeSpan & | Subtract (const wxTimeSpan &diff)
| Subtracts the given wxTimeSpan to this wxTimeSpan and returns a reference to itself.
wxTimeSpan & | operator+= (const wxTimeSpan &diff)
| Adds the given wxTimeSpan to this wxTimeSpan and returns the result.
wxTimeSpan & | operator*= (int n)
| Multiplies this time span by n.
wxTimeSpan & | operator- ()
| Negate the value of the timespan.
wxTimeSpan & | operator-= (const wxTimeSpan &diff)
| Subtracts the given wxTimeSpan to this wxTimeSpan and returns the result.

## Static Public Member Functions

static wxTimeSpan | Day ()
| Returns the timespan for one day.
static wxTimeSpan | Days (long days)
| Returns the timespan for the given number of days.
static wxTimeSpan | Hour ()
| Returns the timespan for one hour.
static wxTimeSpan | Hours (long hours)
| Returns the timespan for the given number of hours.
static wxTimeSpan | Millisecond ()
| Returns the timespan for one millisecond.
static wxTimeSpan | Milliseconds (wxLongLong ms)
| Returns the timespan for the given number of milliseconds.
static wxTimeSpan | Minute ()
| Returns the timespan for one minute.
static wxTimeSpan | Minutes (long min)
| Returns the timespan for the given number of minutes.
static wxTimeSpan | Second ()
| Returns the timespan for one second.
static wxTimeSpan | Seconds (wxLongLong sec)
| Returns the timespan for the given number of seconds.
static wxTimeSpan | Week ()
| Returns the timespan for one week.
static wxTimeSpan | Weeks (long weeks)
| Returns the timespan for the given number of weeks.

List of all members.

## Constructor & Destructor Documentation

wxTimeSpan::wxTimeSpan | ( |  | ) |

Default constructor, constructs a zero timespan.

wxTimeSpan::wxTimeSpan | ( | long | hours,
|  | long | min = `0`,
|  | wxLongLong | sec = `0`,
|  | wxLongLong | msec = `0` |
| ) |  |  |

Constructs timespan from separate values for each component, with the date set to 0.

Hours are not restricted to 0-24 range, neither are minutes, seconds or milliseconds.

## Member Function Documentation

wxTimeSpan wxTimeSpan::Abs | ( |  | ) | const

Returns the absolute value of the timespan: does not modify the object.

wxTimeSpan wxTimeSpan::Add | ( | const wxTimeSpan & | diff | ) | const

Returns the sum of two time spans.

Returns:
  A new wxDateSpan object with the result.

wxTimeSpan& wxTimeSpan::Add | ( | const wxTimeSpan & | diff | ) |

Adds the given wxTimeSpan to this wxTimeSpan and returns a reference to itself.

static wxTimeSpan wxTimeSpan::Day | ( |  | ) | `[static]`

Returns the timespan for one day.

static wxTimeSpan wxTimeSpan::Days | ( | long | days | ) | `[static]`

Returns the timespan for the given number of days.

wxString wxTimeSpan::Format | ( | const wxString & | = `wxDefaultTimeSpanFormat` | ) | const

Returns the string containing the formatted representation of the time span.

The following format specifiers are allowed after %:

- `H` - Number of Hours
- `M` - Number of Minutes
- `S` - Number of Seconds
- `l` - Number of Milliseconds
- `D` - Number of Days
- `E` - Number of Weeks
- `%` - The percent character

Note that, for example, the number of hours in the description above is not well defined: it can be either the total number of hours (for example, for a time span of 50 hours this would be 50) or just the hour part of the time span, which would be 2 in this case as 50 hours is equal to 2 days and 2 hours.

wxTimeSpan resolves this ambiguity in the following way: if there had been, indeed, the `D` format specified preceding the `H`, then it is interpreted as 2. Otherwise, it is 50.

The same applies to all other format specifiers: if they follow a specifier of larger unit, only the rest part is taken, otherwise the full value is used.

int wxTimeSpan::GetDays | ( |  | ) | const

Returns the difference in number of days.

int wxTimeSpan::GetHours | ( |  | ) | const

Returns the difference in number of hours.

wxLongLong wxTimeSpan::GetMilliseconds | ( |  | ) | const

Returns the difference in number of milliseconds.

int wxTimeSpan::GetMinutes | ( |  | ) | const

Returns the difference in number of minutes.

wxLongLong wxTimeSpan::GetSeconds | ( |  | ) | const

Returns the difference in number of seconds.

wxLongLong wxTimeSpan::GetValue | ( |  | ) | const

Returns the internal representation of timespan.

int wxTimeSpan::GetWeeks | ( |  | ) | const

Returns the difference in number of weeks.

static wxTimeSpan wxTimeSpan::Hour | ( |  | ) | `[static]`

Returns the timespan for one hour.

static wxTimeSpan wxTimeSpan::Hours | ( | long | hours | ) | `[static]`

Returns the timespan for the given number of hours.

bool wxTimeSpan::IsEqualTo | ( | const wxTimeSpan & | ts | ) | const

Returns true if two timespans are equal.

bool wxTimeSpan::IsLongerThan | ( | const wxTimeSpan & | ts | ) | const

Compares two timespans: works with the absolute values, i.e.

-2 hours is longer than 1 hour. Also, it will return false if the timespans are equal in absolute value.

bool wxTimeSpan::IsNegative | ( |  | ) | const

Returns true if the timespan is negative.

bool wxTimeSpan::IsNull | ( |  | ) | const

Returns true if the timespan is empty.

bool wxTimeSpan::IsPositive | ( |  | ) | const

Returns true if the timespan is positive.

bool wxTimeSpan::IsShorterThan | ( | const wxTimeSpan & | ts | ) | const

Compares two timespans: works with the absolute values, i.e.

1 hour is shorter than -2 hours. Also, it will return false if the timespans are equal in absolute value.

static wxTimeSpan wxTimeSpan::Millisecond | ( |  | ) | `[static]`

Returns the timespan for one millisecond.

static wxTimeSpan wxTimeSpan::Milliseconds | ( | wxLongLong | ms | ) | `[static]`

Returns the timespan for the given number of milliseconds.

static wxTimeSpan wxTimeSpan::Minute | ( |  | ) | `[static]`

Returns the timespan for one minute.

static wxTimeSpan wxTimeSpan::Minutes | ( | long | min | ) | `[static]`

Returns the timespan for the given number of minutes.

wxTimeSpan wxTimeSpan::Multiply | ( | int | n | ) | const

Returns the product of this time span by n.

Returns:
  A new wxTimeSpan object with the result.

wxTimeSpan& wxTimeSpan::Multiply | ( | int | n | ) |

Multiplies this time span by n.

Returns:
  A reference to this wxTimeSpan object modified in place.

wxTimeSpan& wxTimeSpan::Neg | ( |  | ) |

Negate the value of the timespan.

See also:
  Negate()

wxTimeSpan wxTimeSpan::Negate | ( |  | ) | const

Returns timespan with inverted sign.

See also:
  Neg()

wxTimeSpan& wxTimeSpan::operator*= | ( | int | n | ) |

Multiplies this time span by n.

Returns:
  A reference to this wxTimeSpan object modified in place.

wxTimeSpan& wxTimeSpan::operator+= | ( | const wxTimeSpan & | diff | ) |

Adds the given wxTimeSpan to this wxTimeSpan and returns the result.

wxTimeSpan& wxTimeSpan::operator- | ( |  | ) |

Negate the value of the timespan.

See also:
  Negate()

wxTimeSpan& wxTimeSpan::operator-= | ( | const wxTimeSpan & | diff | ) |

Subtracts the given wxTimeSpan to this wxTimeSpan and returns the result.

static wxTimeSpan wxTimeSpan::Second | ( |  | ) | `[static]`

Returns the timespan for one second.

static wxTimeSpan wxTimeSpan::Seconds | ( | wxLongLong | sec | ) | `[static]`

Returns the timespan for the given number of seconds.

wxTimeSpan wxTimeSpan::Subtract | ( | const wxTimeSpan & | diff | ) | const

Returns the difference of two time spans.

Returns:
  A new wxDateSpan object with the result.

wxTimeSpan& wxTimeSpan::Subtract | ( | const wxTimeSpan & | diff | ) |

Subtracts the given wxTimeSpan to this wxTimeSpan and returns a reference to itself.

static wxTimeSpan wxTimeSpan::Week | ( |  | ) | `[static]`

Returns the timespan for one week.

static wxTimeSpan wxTimeSpan::Weeks | ( | long | weeks | ) | `[static]`

Returns the timespan for the given number of weeks.

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