Public Shared Function DaysInMonth ( _
    year As Integer, _
    month As Integer _
) As Integer

Dim year As Integer
Dim month As Integer
Dim returnValue As Integer

returnValue = DateTime.DaysInMonth(year, month)

public static int DaysInMonth (
    int year,
    int month
)

public:
static int DaysInMonth (
    int year, 
    int month
)

public static int DaysInMonth (
    int year, 
    int month
)

public static function DaysInMonth (
    year : int, 
    month : int
) : int

Const July As Integer = 7
Const Feb As Integer = 2

' daysInJuly gets 31.
Dim daysInJuly As Integer = System.DateTime.DaysInMonth(2001, July)

' daysInFeb gets 28 because the year 1998 was not a leap year.
Dim daysInFeb As Integer = System.DateTime.DaysInMonth(1998, Feb)

' daysInFebLeap gets 29 because the year 1996 was a leap year.
Dim daysInFebLeap As Integer = System.DateTime.DaysInMonth(1996, Feb)

const int July = 7;
const int Feb = 2;

// daysInJuly gets 31.
int daysInJuly = System.DateTime.DaysInMonth(2001, July);

// daysInFeb gets 28 because the year 1998 was not a leap year.
int daysInFeb = System.DateTime.DaysInMonth(1998, Feb);

// daysInFebLeap gets 29 because the year 1996 was a leap year.
int daysInFebLeap = System.DateTime.DaysInMonth(1996, Feb);

const int July = 7;
const int Feb = 2;

// daysInJuly gets 31.
int daysInJuly = System::DateTime::DaysInMonth( 2001, July );

// daysInFeb gets 28 because the year 1998 was not a leap year.
int daysInFeb = System::DateTime::DaysInMonth( 1998, Feb );

// daysInFebLeap gets 29 because the year 1996 was a leap year.
int daysInFebLeap = System::DateTime::DaysInMonth( 1996, Feb );

final int july = 7;
final int feb = 2;
// daysInJuly gets 31.
int daysInJuly = System.DateTime.DaysInMonth(2001, july);
// daysInFeb gets 28 because the year 1998 was not a leap year.
int daysInFeb = System.DateTime.DaysInMonth(1998, feb);
// daysInFebLeap gets 29 because the year 1996 was a leap year.
int daysInFebLeap = System.DateTime.DaysInMonth(1996, feb);