MATLAB中如何删除多余图例,增多图例 Legend和删除图例

增加图例 Legend和删除图例

private void button1_Click(object sender, System.EventArgs e)

{

//Get the GraphicsContainer

IGraphicsContainer graphicsContainer = axPageLayoutControl1.GraphicsContainer;

//Get the MapFrame

IMapFrame mapFrame = (IMapFrame) graphicsContainer.FindFrame(axPageLayoutControl1.ActiveView.FocusMap);

if (mapFrame == null) return;

//Create a legend

UID uID = new UIDClass();

uID.Value = "esriCarto.Legend";

//Create a MapSurroundFrame from the MapFrame

IMapSurroundFrame mapSurroundFrame = mapFrame.CreateSurroundFrame(uID, null);

if (mapSurroundFrame == null) return;

if (mapSurroundFrame.MapSurround == null) return;

//Set the name

mapSurroundFrame.MapSurround.Name = "Legend";

//Envelope for the legend

IEnvelope envel

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