根據 EPSG 取得或設定座標系統識別碼,如果這不是 EPSG 座標系統則為 NULL。
命名空間: System.Spatial
組件: System.Spatial (在 System.Spatial.dll 中)
語法
'宣告
Public Property EpsgId As Nullable(Of Integer)
Get
Private Set
'用途
Dim instance As CoordinateSystem
Dim value As Nullable(Of Integer)
value = instance.EpsgId
public Nullable<int> EpsgId { get; private set; }
public:
property Nullable<int> EpsgId {
Nullable<int> get ();
private: void set (Nullable<int> value);
}
member EpsgId : Nullable<int> with get, private set
function get EpsgId () : Nullable<int>
private function set EpsgId (value : Nullable<int>)
屬性值
型別:System.Nullable<Int32>
座標系統識別碼 (根據 EPSG)。