function Shift(name, from, to, shift)
{
    var result = "";

    // Need to start up Schematic Server first.
    Client.StartServer("SCH");

    var workspace = GetWorkspace;
    if (workspace == null)
        return;

    var project = workspace.DM_FocusedProject;
    if (project == null)
        return;

    result += project.DM_ProjectFileName + "\n";

    for (var i = 0; i < project.DM_LogicalDocumentCount - 1; i++)
    {
        // showmessage("Document " + i + " from " + project.DM_LogicalDocumentCount);

        var document = project.DM_LogicalDocuments(i);
        if (document.DM_DocumentKind != 'SCH')
            continue;

        var schDoc = SCHServer.GetSchDocumentByPath(document.DM_FullPath);
        if (schDoc == null)
            continue;

        var iterator = schDoc.SchIterator_Create;
        if (iterator == null)
            continue;

        iterator.AddFilter_ObjectSet(MkSet(eSchComponent));
        var component = iterator.FirstSchObject;

        result += "\n" + document.DM_FileName + ":\n";

        while (component != null)
        {
            var reg = new RegExp("^" + name + "[0-9]+");
            var designator = component.Designator.Text;

            if (reg.test(designator))
            {
                var strIndex = designator.substring(name.length, designator.length);
                var index = parseInt(strIndex)

                if (index >= from)
                {
                    if (to == -1 || index <= to)
                    {
                        SchServer.RobotManager.SendMessage(component.I_ObjectAddress, c_BroadCast, SCHM_BeginModify, c_NoEventData);

                        index += shift;

                        var newDesignator = (name + index.toString());

                        component.Designator.Text = newDesignator;

                        result += designator + " -> " + newDesignator + "\n";

                        SchServer.RobotManager.SendMessage(component.I_ObjectAddress, c_BroadCast, SCHM_EndModify  , c_NoEventData);
                    }
                }
            }            

            component = iterator.NextSchObject;
        }
        
        schDoc.SchIterator_Destroy(iterator);
    }

    showmessage(result);
}

var name = 'C'
var from = 36
var to = 58
var shift = 10;

Shift(name, from, to, shift);