private void SelectTool(string charID)
{
int idslct = psApp.CharIDToTypeID("slct");
int idnull = psApp.CharIDToTypeID("null");
int idtool = psApp.CharIDToTypeID(charID);
ActionDescriptor actionDesc = new ActionDescriptor();
ActionReference actionRef = new ActionReference();
actionRef.PutClass(idtool);
actionDesc.PutReference(idnull, actionRef);
psApp.ExecuteAction(idslct, actionDesc, PsDialogModes.psDisplayNoDialogs);
}