void AddApplyButton()
{
GUILayout.BeginHorizontal();
GUILayout.Label(""); //为使按钮靠左，添加不显示的Label
if (GUILayout.Button("Save", GUILayout.Width(50f), GUILayout.Height(20f)))
{
XML_IO.Save("maize.xml", Name, InitStep, MaxStep, LRule, BranchTexturePath, GlobalVariables, Meshes);
}
if (GUILayout.Button("Apply", GUILayout.Width(50f), GUILayout.Height(20f)))
{
XML_IO.Save("maize.xml", Name, InitStep, MaxStep, LRule, BranchTexturePath, GlobalVariables, Meshes);
GameObject.Find("BuildButton").GetComponent <BuildButton>().Click();
}
GUILayout.EndHorizontal();
}