/// <summary>
/// Checks the AutoCAD dxf file database version.
/// </summary>
/// <param name="stream">Stream</param>
/// <param name="isBinary">Returns true if the dxf is a binary file.</param>
/// <returns>String that represents the dxf file version.</returns>
/// <remarks>The caller will be responsible of closing the stream.</remarks>
public static DxfVersion CheckDxfFileVersion(Stream stream, out bool isBinary)
{
string value = DxfReader.CheckHeaderVariable(stream, HeaderVariableCode.AcadVer, out isBinary);
return((DxfVersion)StringEnum.Parse(typeof(DxfVersion), value));
}