/// <summary>
/// 根据参数获得定值,软压板,装置设置
/// </summary>
/// <param name="staName">站名称</param>
/// <param name="equName">装置名称</param>
/// <param name="menuPath">菜单路径</param>
/// <param name="dsType">在配置文件中的数据集类型，保护定值填1，其他定值填3，默认值是3</param>
/// <param name="actSg">表示定值区号，只有保护定值有区号,别的定值没有，填0，默认值是1。具体查看mmssgcfg.cfg</param>
/// <returns></returns>
public static SettingData GetSetting(string staName, string equName, string menuPath, int dsType = 1, int actSg = 1) {
SettingData setting = new SettingData();
int iMaxNum = 256;
int size = Marshal.SizeOf(typeof(DATA_ITEM));
IntPtr pBuffer = Marshal.AllocHGlobal(size * iMaxNum);
try {
int iGet = dse_get_setting(staName, equName, menuPath, dsType, actSg, pBuffer, iMaxNum);
IntPtr ipC = new IntPtr(pBuffer.ToInt64());
for (int i = 0; i < iGet; i++) {
DATA_ITEM dataItem = (DATA_ITEM)Marshal.PtrToStructure(ipC, typeof(DATA_ITEM));
SettingData addData = new SettingData(dataItem);
setting.Add(addData);
ipC += size;
}
} finally {
Marshal.FreeHGlobal(pBuffer);
}
if (setting.Count == 0)
return null;
else
return setting;
}
