/// Procedure to clear AFDMapData Structure
/// </summary>
/// <param name="details">AFDData to be cleared</param>
public void ClearAFDMapData(ref afdMapData details)
{
details.GBGridE = string.Empty;
details.GBGridN = string.Empty;
details.NIGridE = string.Empty;
details.NIGridN = string.Empty;
details.Latitude = string.Empty;
details.Longitude = string.Empty;
details.TextualLatitude = string.Empty;
details.TextualLongitude = string.Empty;
details.ImageWidth = string.Empty;
details.ImageHeight = string.Empty;
details.ImageScale = string.Empty;
details.OutputType = string.Empty;
details.Filename = string.Empty;
}
/// <summary>
/// Function to lookup Map data - used for map utility functions only
/// </summary>
/// <param name="dataName">Field Specification String</param>
/// <param name="operation">Function Type Constants</param>
/// <param name="details">Object containing search/lookup values. Becomes populated with results</param>
/// <returns>The function returns a long which is the result code. This will be >= 0 if the function is successful, or < 0 in the case of an error</returns>
public long AFDData(string dataName, long operation, ref afdMapData details)
{
StringBuilder passDetails = new StringBuilder();
long retVal;
// Compose the DLL string from the supplied structure
passDetails.Append(details.GBGridE.PadRight(10, ' '));
passDetails.Append(details.GBGridN.PadRight(10, ' '));
passDetails.Append(details.NIGridE.PadRight(10, ' '));
passDetails.Append(details.NIGridN.PadRight(10, ' '));
passDetails.Append(details.Latitude.PadRight(10, ' '));
passDetails.Append(details.Longitude.PadRight(10, ' '));
passDetails.Append(details.TextualLatitude.PadRight(15, ' '));
passDetails.Append(details.TextualLongitude.PadRight(15, ' '));
passDetails.Append(details.ImageWidth.PadRight(4, ' '));
passDetails.Append(details.ImageHeight.PadRight(4, ' '));
passDetails.Append(details.ImageScale.PadRight(1, ' '));
passDetails.Append(details.OutputType.PadRight(1, ' '));
passDetails.Append(details.Filename.PadRight(255, ' '));
// Call the DLL function
string returnDetails = CallDllFunction(dataName, operation, passDetails, out retVal);
// Retrieve the data structure from the string returned by the DLL
details.GBGridE = returnDetails.Substring(0, 10).Trim();
details.GBGridN = returnDetails.Substring(10, 10).Trim();
details.NIGridE = returnDetails.Substring(20, 10).Trim();
details.NIGridN = returnDetails.Substring(30, 10).Trim();
details.Latitude = returnDetails.Substring(40, 10).Trim();
details.Longitude = returnDetails.Substring(50, 10).Trim();
details.TextualLatitude = returnDetails.Substring(60, 15).Trim();
details.TextualLongitude = returnDetails.Substring(75, 15).Trim();
details.ImageWidth = returnDetails.Substring(90, 4).Trim();
details.ImageHeight = returnDetails.Substring(94, 4).Trim();
details.ImageScale = returnDetails.Substring(98, 1).Trim();
details.OutputType = returnDetails.Substring(99, 1).Trim();
details.Filename = returnDetails.Substring(100, 255).Trim();
// Return with the function return value
return(retVal);
}