move features with EditMarkup command

Hi, I'm selecting a point feature using the QueryTask and then I'm getting the results (fsSelectedMet featureSet) and usign the RunExternalCommand activity to run the "AddMarkup" command and then the "EditMarkup" command in order to move the point interactively in the GVH viewer. The problem is that the point is associated to a circular polygon (a buffer) that I need to move along the point. My idea was to buffer the point a bit, get the buffered point and the buffer, union them, and then use the "EditMarkup" command with the unioned geometry. The problem is that when I try to move it, the vertices are active and it is impossible not to grab a vertice and therefore, I change the geometry. Is there a way to restrict the "EditMarkup" so, that moving is the only option available, and rotate, scale or vertices are not activated? Is there a better way to interactively move features that doesn't involve creating markup?