private void 添加图层ToolStripMenuItem_Click(object sender, EventArgs e)
{
//判断地图视图中是否有处于显示状态中的地图
if (this.mapCtrl.ActiveMap == null)
{
MessageBox.Show("请先在地图视图中显示一幅地图！！！");
return;
}
//选择待添加的图层
GDBOpenFileDialog ofDlg = new GDBOpenFileDialog();
//ofDlg.Filter = "简单要素类、注记类|sfcls;acls";
if (ofDlg.ShowDialog() != DialogResult.OK)
{
return;
}
string fileName = ofDlg.FileName;
IVectorCls sfcls = new SFeatureCls();
if (sfcls.Open(fileName))
{
MessageBox.Show("打开成功");
}
else
{
MessageBox.Show("打开失败");
}
return;
this._Tree.WorkSpace.BeginUpdateTree();
//附加矢量图层
VectorLayer vecLayer = new VectorLayer(VectorLayerType.SFclsLayer);
vecLayer.AttachData(sfcls);
//将图层添加到地图中
vecLayer.Name = sfcls.ClsName;
//获取激活地图
Map activeMap = this.mapCtrl.ActiveMap;
activeMap.Append(vecLayer);
//复位
this.mapCtrl.ActiveMap = activeMap;
this.mapCtrl.Restore();
this._Tree.WorkSpace.EndUpdateTree();
return;
}
private void 打开ToolStripMenuItem_Click(object sender, EventArgs e)
{
//定义数据源
Server svr = new Server();
//连接数据源
if (svr.Connect("MapGISLocal", "", ""))
{
;
}
{
//打开数据库
DataBase gdb = svr.OpenGDB("sample");
if (gdb != null)
{
//打开简单要素类
SFeatureCls sfcls = new SFeatureCls(gdb);
if (sfcls.Open("等值线", 0))
{
MessageBox.Show("读取数据成功");
//显示简单要素类,实例地图显示控件
//实例化地图显示控件
MapControl mapCtrl = new MapControl();
mapCtrl.Dock = DockStyle.Fill;
//添加控件
this.splitContainer1.Panel2.Controls.Add(mapCtrl);
//创建图层
VectorLayer layer = new VectorLayer(VectorLayerType.SFclsLayer);
if (layer.AttachData(sfcls))
{
Map map = new Map();
map.Append(layer);
mapCtrl.ActiveMap = map;
//复位显示地图
mapCtrl.Restore();
}
}
}
}
}