dot_spatial_projection.cs

//Sets up a array to contain the x and y coordinates
double[] xy = new double[2];
xy[0] = 0;
xy[1] = 0;
//An array for the z coordinate
double[] z = new double[1];
z[0] = 1;
//Defines the starting coordiante system
ProjectionInfo pStart = KnownCoordinateSystems.Geographic.World.WGS1984;
//Defines the ending coordiante system
ProjectionInfo pEnd = KnownCoordinateSystems.Projected.NorthAmerica.USAContiguousLambertConformalConic;
//Calls the reproject function that will transform the input location to the output locaiton
Reproject.ReprojectPoints(xy, z, pStart, pEnd, 0, 1);