XNA Pick model triangle with ray

You can find GetMouseCursorRay and RayIntersectTriangle on this blog.

public bool PickedTriangle(Ray cursorRay, ref Vector3 intersection, ref float distance, ref int[] triangle)
{
 float pickDist = 0.0f; // distance from ray origin to intersection
 float pickU = 0.0f; // barycentric coordinate of intersection
 float pickV = 0.0f; // barycentric coordinate of intersection

 for (int i = 0; i < (this._IndicesCount / 3); ++i)
 {
  // changed from left handed (DirectX) to right handed (XNA)
  Vector3 tri0 = this._transformedVertices[this._Indices[3 * i + 0]];
  Vector3 tri1 = this._transformedVertices[this._Indices[3 * i + 2]];
  Vector3 tri2 = this._transformedVertices[this._Indices[3 * i + 1]];

  // Check if the pick ray passes through this point
  if (RayIntersectTriangle(cursorRay.Position, cursorRay.Direction, tri0, tri1, tri2, ref pickDist, ref pickU, ref pickV))
  {
   if (pickDist > 0.0f)
   {
    intersection = pickU * tri1 + pickV * tri2 + (1 - pickU - pickV) * tri0;
    distance = pickDist;

    triangle[0] = 3 * i + 0;
    triangle[1] = 3 * i + 2;
    triangle[2] = 3 * i + 1;

    return true;
   }
  }
 }

 return false;
}