public async Task <IDictionary <string, string> > ReadMetadataAsync()
{
var metadata = new Dictionary <string, string>();
try
{
using (var command = new SQLiteCommand("select * from metadata", connection))
{
var reader = await command.ExecuteReaderAsync();
while (await reader.ReadAsync())
{
metadata[(string)reader["name"]] = (string)reader["value"];
}
}
}
catch (Exception ex)
{
Debug.WriteLine("MBTileData: " + ex.Message);
}
return(metadata);
}