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SqlFunctions.Atan2 Method (Nullable(Of Decimal), Nullable(Of Decimal))

Returns the positive angle, in radians, between the positive x-axis and the ray from the origin through the point (x, y), where x and y are the two specified numerical values. The first parameter passed to the function is the y-value and the second parameter is the x-value.

Namespace:  System.Data.Objects.SqlClient
Assembly:  System.Data.Entity (in System.Data.Entity.dll)

'Declaration
<EdmFunctionAttribute("SqlServer", "ATN2")> _
Public Shared Function Atan2 ( _
	arg1 As Nullable(Of Decimal), _
	arg2 As Nullable(Of Decimal) _
) As Nullable(Of Double)

Parameters

arg1
Type: System.Nullable(Of Decimal)

The y-coordinate of a point.

arg2
Type: System.Nullable(Of Decimal)

The x-coordinate of a point.

Return Value

Type: System.Nullable(Of Double)
An angle, measured in radians.

You cannot call this function directly. This function can only appear within a LINQ to Entities query.

This function is translated to a corresponding function in the database. For information about the corresponding SQL Server function, see ATN2 (Transact-SQL).

.NET Framework

Supported in: 4.5, 4

.NET Framework Client Profile

Supported in: 4

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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