public override string ToString()
{
var ofstream = IntPtr.Zero;
var stdstr = IntPtr.Zero;
string str = null;
try
{
ofstream = Dlib.Native.ostringstream_new();
Dlib.Native.ErrorType ret;
switch (this._ElementType)
{
case Dlib.Native.ElementType.OpTrans:
ret = Native.matrix_op_op_trans_operator_left_shift(this._MatrixElementType,
this.NativePtr,
this.TemplateRows,
this.TemplateColumns,
ofstream);
break;
case Dlib.Native.ElementType.OpStdVectToMat:
ret = Native.matrix_op_op_std_vect_to_mat_operator_left_shift(this._MatrixElementType,
this.NativePtr,
this.TemplateRows,
this.TemplateColumns,
ofstream);
break;
default:
throw new ArgumentOutOfRangeException();
}
switch (ret)
{
case Dlib.Native.ErrorType.OK:
stdstr = Dlib.Native.ostringstream_str(ofstream);
str = StringHelper.FromStdString(stdstr);
break;
case Dlib.Native.ErrorType.InputElementTypeNotSupport:
throw new ArgumentException($"Input {this._ElementType} is not supported.");
default:
throw new ArgumentException();
}
}
catch (Exception e)
{
Console.WriteLine(e.StackTrace);
}
finally
{
if (stdstr != IntPtr.Zero)
{
Dlib.Native.string_delete(stdstr);
}
if (ofstream != IntPtr.Zero)
{
Dlib.Native.ostringstream_delete(ofstream);
}
}
return(str);
}
