/// <summary>
/// Tries to load the core PROJ.4 library from a resource package.
/// </summary>
/// <param name="name">File name of the library.</param>
/// <returns>True, if library was loaded, false otherwise.</returns>
private static bool TryLoadResource(string name)
{
try
{
byte[] raw;
using (Package resources = Package.Open(Assembly.GetExecutingAssembly().GetManifestResourceStream(typeof(CoordinateReferenceSystem).Namespace + ".resources.zip")))
{
Uri partUri = new Uri("/" + name, UriKind.Relative);
if (!resources.PartExists(partUri))
{
return(false);
}
using (Stream dllStm = resources.GetPart(partUri).GetStream())
raw = Read(dllStm);
}
File.WriteAllBytes(name = TempSpace.TryMakeSpace() + Path.DirectorySeparatorChar + name, raw);
}
catch
{
return(false);
}
try { instance = ApiFactory.CreateNativeApi <ICoordinateTransformation>(name); }
catch { instance = null; }
return(instance != null);
}
/// <summary>
/// Tries to load the core PROJ.4 library from a file.
/// </summary>
/// <param name="name">File name of the library.</param>
/// <returns>True, if library was loaded, false otherwise.</returns>
private static bool TryLoad(string name)
{
string path = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location) +
Path.DirectorySeparatorChar + name;
if (!File.Exists(path))
{
return(instance != null);
}
try { instance = ApiFactory.CreateNativeApi <ICoordinateTransformation>(path); }
catch { instance = null; }
return(instance != null);
}