/// <summary>
/// Initializes a new instance of the <see cref="CustomParameter" /> class.
/// </summary>
/// <param name="command">The command for this parameter.</param>
/// <param name="description">The description of this parameter.</param>
/// <param name="deviceDefault">The default value of this parameter in device unit.</param>
/// <param name="deviceMin">The minimum value of this parameter in device unit.</param>
/// <param name="deviceMax">The maximum value of this parameter in device unit.</param>
/// <param name="toDeviceValue">A function which converts value to device value.</param>
/// <param name="toValue">A function which converts device value to value.</param>
/// <exception cref="ArgumentNullException">
/// <paramref name="toDeviceValue" /> or <paramref name="toValue" /> is null.
/// </exception>
public CustomParameter([NotNull] string command, [NotNull] string description,
long deviceDefault, long deviceMin, long deviceMax,
[NotNull] ToDeviceValueDelegate toDeviceValue, [NotNull] ToValueDelegate toValue)
: base(command, description, deviceDefault, deviceMin, deviceMax)
{
if (toDeviceValue == null) throw new ArgumentNullException("toDeviceValue");
if (toValue == null) throw new ArgumentNullException("toValue");
this.toDeviceValue = toDeviceValue;
this.toValue = toValue;
}
protected override void OnLoad()
{
_load = GetMethod <LoadDelegate>("hcp_Load", true);
_unload = GetMethod <UnloadDelegate>("hcp_Unload", false);
_toValue = GetMethod <ToValueDelegate>("hcp_tovalue", false);
_getArgumentHandle = GetMethod <GetArgumentHandleDelegate>("hcp_argat", false);
_getMessage = GetMethod <GetMessageDelegate>("hcp_GetMessage", false);
_encode = GetMethod <EncodeDelegate>("hcp_Encode", false);
_decode = GetMethod <DecodeDelegate>("hcp_Decode", false);
_newCodec = GetMethod <NewCodecDelegate>("hcp_NewCodec", false);
_closeCodec = GetMethod <CloseCodecDelegate>("hcp_CloseCodec", false);
_loadCodec = GetMethod <LoadCodecDelegate>("hcp_LoadCodec", false);
_loadModel = GetMethod <LoadModelDelegate>("hcp_LoadModel", false);
try {
_state = _load();
} catch (Exception x) {
throw new Exception("Error occured while calling 'hcp_Load': " + x.Message);
}
}
