Windows Runtime base data types (Windows)

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This table lists the base data types that are supported by the Windows Runtime, and indicates the corresponding type in C#, Visual Basic, and C++.

Data type	JavaScript	C#	VB	C++
Boolean	Boolean	bool	Boolean	bool
Byte	Number	byte	Byte	unsigned char
Char	String	char	Char	unsigned char
Char16	String	char	Char	wchar_t
DateTime	Date	DateTimeOffset	DateTimeOffset	DateTime
Double	Number	double	Double	double
Guid	String	Guid	Guid	Guid
Int16	Number	short	Short	short
Int32	Number	int	Integer	int
Int64	Number	long	Long	__int64
Object	Object	object	Object	Object^
Point	Point	Point	Point	Point
Rect	Rect	Rect	Rect	Rect
Single	Number	float	Single	float
Size	Size	Size	Size	Size
String	String	string	String	String^
TimeSpan	Number	TimeSpan	TimeSpan	TimeSpan
UInt8	Number	byte	Byte	unsigned char
UInt16	Number	ushort	UShort	unsigned short
UInt32	Number	uint	UInteger	unsigned int
UInt64	Number	ulong	ULong	unsigned __int64
Uri	Uri	Uri	Uri	Uri^
Void	Undefined	void	Void	void

The following table indicates the .NET types that correspond to the Windows Runtime data types.

Windows Runtime	.NET
Boolean	System.Boolean
Byte	System.Byte
Char	System.Char
Char16	System.Char
DateTime	System.DateTimeOffset
Double	System.Double
Guid	System.Guid
Int16	System.Int16
Int32	System.Int32
Int64	System.Int64
Object	System.Object
Single	System.Single
String	System.String
TimeSpan	System.TimeSpan
UInt8	System.Byte
UInt16	System.UInt16
UInt32	System.UInt32
UInt64	System.UInt64
Uri	System.Uri
Void	System.Void

Build date: 11/28/2012

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Windows Runtime base data types

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