Hi,
Document doc = AcAp.DocumentManager.MdiActiveDocument;
Editor ed = doc.Editor;
PromptPointResult ppr = ed.GetPoint("\nSpecify insertion point: ");
if (ppr.Status == PromptStatus.OK)
{
Point3d pt = ppr.Value;
string cmd = string.Format("_mtext\n{0},{1},{2}\n_j\n_mc\n_w\n0\n", pt.X, pt.Y, pt.Z);
doc.SendStringToExecute(cmd, false, false, true);
}