private void BWriteJSON_Click(object sender, EventArgs e)
{
SaveFileDialog sfd = new SaveFileDialog();
if (sfd.ShowDialog() != DialogResult.OK)
{
return;
}
XGeoJson gj = new XGeoJson();
gj.WriteJSONFile(layer, sfd.FileName + ".json");
MessageBox.Show("完成");
}
private void BOpenJSON_Click(object sender, EventArgs e)
{
IsJSONLayer = true;
OpenFileDialog openFileDialog = new OpenFileDialog();
openFileDialog.Filter = "JSON文件|*.json";
openFileDialog.RestoreDirectory = false;
openFileDialog.FilterIndex = 1;
openFileDialog.Multiselect = false;
if (openFileDialog.ShowDialog() != DialogResult.OK)
{
return;
}
XGeoJson gj = new XGeoJson();
JSONLayers = gj.ReadJSONFile(openFileDialog.FileName);
//layer.DrawAttributeOrNot = false;
MessageBox.Show("读入" +
(JSONLayers[0].FeatureCount() + JSONLayers[1].FeatureCount() + JSONLayers[2].FeatureCount()) + "个实体");
view.UpdateExtent(JSONLayers[0].Extent);
UpdateMap();
}