private void layerList_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
int gdbIndex = gdbList.SelectedIndex;
int layerIndex = layerList.SelectedIndex;
if (gdbIndex >= 0 && gdbIndex < activeLayer.LayerObj.LayerAccessInfo.Length &&
layerIndex >= 0 && layerIndex < activeLayer.LayerObj.LayerAccessInfo[gdbIndex].LayerInfoList.Length)
{
CSetLayerIndex obj = new CSetLayerIndex();
obj.GdbIndex = gdbIndex;
obj.LayerIndex = layerIndex;
activeLayer.GetLayerAttStruct(obj, new UploadStringCompletedEventHandler(GetAttStructCallBack));
}
}