protected virtual CompilerResults FromFile(CompilerParameters options, string fileName) {
if( options == null) {
throw new ArgumentNullException("options");
}
if (fileName == null)
throw new ArgumentNullException("fileName");
new SecurityPermission(SecurityPermissionFlag.UnmanagedCode).Demand();
// Try opening the file to make sure it exists. This will throw an exception
// if it doesn't
using (Stream str = File.OpenRead(fileName)) { }
string[] filenames = new string[1];
filenames[0] = fileName;
return FromFileBatch(options, filenames);
}
