/// <summary>
/// 是否存在记录
/// </summary>
/// <param name="filter"></param>
/// <returns></returns>
public bool HasRecord(ZFilter filter)
{
using (ZFeatureCursor cursor = Search(filter))
{
return(cursor.NextFeature() != null);
}
}
/// <summary>
/// 从查询结果复制数据
/// </summary>
/// <param name="cursor"></param>
public void CopyFrom(ZFeatureCursor cursor)
{
IFeatureCursor this_cursor = featureClass.Insert(true);
ZFeature feature = null;
while (null != (feature = cursor.NextFeature()))
{
IFeatureBuffer buffer = featureClass.CreateFeatureBuffer();
buffer.Shape = feature.Shape.geometry;
for (int i = 0; i < featureClass.Fields.FieldCount; i++)
{
buffer.Value[i] = feature.GetValue(i);
}
this_cursor.InsertFeature(buffer);
}
this_cursor.Flush();
}