function OnSelectionChange () : void

Description

Called whenever the selection has changed.

Saves the current selection and load it later with a simple click.

// Simple example that lets you save the current selection and load it.

class SelectionChange extends EditorWindow {
    var selectionIDs : int[];
    @MenuItem("Example/Selection Saver")
    static function Init() {
        var window = GetWindow(SelectionChange);
        window.Show();
    }
    function OnGUI() {
        if(GUILayout.Button("Save"))
            SaveSelection();
        if(GUILayout.Button("Load"))
            LoadLastSavedSelection();
    }
    function OnSelectionChange() {
        selectionIDs = Selection.instanceIDs;
    }
    function SaveSelection() {
        var saveStr = "";
        for(var i : int in selectionIDs)
            saveStr += i.ToString() + ";";
        saveStr = saveStr.TrimEnd(char.Parse(";"));
        EditorPrefs.SetString("SelectedIDs",saveStr);
    }
    function LoadLastSavedSelection() {
        var strIDs : String[] = EditorPrefs.GetString("SelectedIDs").Split(char.Parse(";"));

        var ids : int[] = new int[strIDs.Length];
        for(var i = 0; i < strIDs.Length; i++)
            ids[i] = parseInt(strIDs[i]);
        Selection.instanceIDs = ids;
    }
}