• Article

SqlGeography.M Property

Returns the M (measure) value of the geography instance.

Namespace:  Microsoft.SqlServer.Types
Assembly:  Microsoft.SqlServer.Types (in Microsoft.SqlServer.Types.dll)

Syntax

'Declaration
Public ReadOnly Property M As SqlDouble
    Get
'Usage
Dim instance As SqlGeography
Dim value As SqlDouble

value = instance.M

public SqlDouble M { get; }

public:
property SqlDouble M {
    SqlDouble get ();
}

member M : SqlDouble

function get M () : SqlDouble

Property Value

Type: System.Data.SqlTypes.SqlDouble
A SqlDouble value that specifies the measure value.

Remarks

The semantics of the measure value are user-defined but generally describe the distance along a linestring. For example, the measure value could be used to keep track of mileposts along a road.

The value of this property is null if the geography instance is not a Point, as well as for any Point instance for which it is not set.

This property is read-only.

M values are not used in any calculations made by the library and will not be carried through any library calculations.