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private void AddLayerLoad_Click(object sender, EventArgs e)
{
    //此处的路径改为自己电脑上Continents.lyr的位置
    String lyrPath = @"D:\Program Files (x86)\ArcGIS\DeveloperKit10.2\Samples\data\World\Continents.lyr";
    MapDocument mapDoc = new MapDocument();
    mapDoc.Open(lyrPath);
    //获取第一个地图的第一个图层
    ILayer pLyr = mapDoc.get_Layer(0, 0);

    axMapControl1.AddLayer(pLyr);
}

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双击‘通过AddLayerFromFile加载’，增加代码：

private void AddLayerFromFileLoad_Click(object sender, EventArgs e)
{
    string lyrPath = @"D:\Program Files (x86)\ArcGIS\DeveloperKit10.2\Samples\data\World\Continents.lyr";
    axMapControl1.AddLayerFromFile(lyrPath);
}

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双击‘通过AddShapeFile加载’，增加代码：

private void AddShapeFileLoad_Click(object sender, EventArgs e)
{
    string shpPath = @"D:\Program Files (x86)\ArcGIS\DeveloperKit10.2\Samples\data\World";
    axMapControl1.AddShapeFile(shpPath, "World30.shp");
}

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private void DialogAddLayer_Click(object sender, EventArgs e)
{
    OpenFileDialog opFDialog = new OpenFileDialog();
    opFDialog.Title = "请选择图层";
    opFDialog.Filter = "layers(*.lyr)|*.lyr";
    if (opFDialog.ShowDialog() == DialogResult.OK)
    {
        string lyrPath = opFDialog.FileName;
        axMapControl1.AddLayerFromFile(lyrPath);
    }
}

双击‘加载ShapeFile’，增加代码：

private void DialogAddShapeFile_Click(object sender, EventArgs e)
{
    OpenFileDialog opFDialog = new OpenFileDialog();
    opFDialog.Title = "请选择Shapefile";
    opFDialog.Filter = "Shapefile(*.shp)|*.shp";

    if (opFDialog.ShowDialog() == DialogResult.OK)
    {
        string shpPath = opFDialog.FileName;
        string filePath = System.IO.Path.GetDirectoryName(shpPath);
        string fileName = System.IO.Path.GetFileNameWithoutExtension(shpPath);
        axMapControl1.AddShapeFile(filePath, fileName);
    }

双击‘加载地图文档’，增加代码：

private void DialogAddmxd_Click(object sender, EventArgs e)
{
    OpenFileDialog opFDialog = new OpenFileDialog();
    opFDialog.Title = "请选择地图文档";
    //'|'前的文字是选择对话框的提示文字，后面是格式（后缀）过滤，每个格式用';'分开
    opFDialog.Filter = "Map Document(*.mxd;*.pmf;*.mxt)|*.mxd;*.pmf;*.mxt";

    if (opFDialog.ShowDialog() == DialogResult.OK)
    {
        string mxPath = opFDialog.FileName;
        axMapControl1.LoadMxFile(mxPath);
    }
}

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