private void OpenObjectPlacementEditor()
{
if (objectPlacementEditorToolStripMenuItem.Checked)
{
objectPlacementEditor.Focus();
return; // dont open a second one
}
objectPlacementEditor = new ObjectPlacementEditorWindow();
objectPlacementEditor.FormClosed += new FormClosedEventHandler(OnObjectPlacementEditorClose);
objectPlacementEditorToolStripMenuItem.Checked = true;
objectPlacementEditor.Show();
}
