The size in points (1/72 of an inch) of the marker.
[Visual Basic .NET] Public ReadOnly Property Size As Double
[C#] public double Size {get;}
[C++]
HRESULT get_Size(
double* Size
);
[C++]Parameters
Size [out, retval] Size is a parameter of type double
Product Availability
Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.