System.NumberFormatter.AddOneToDecHex C# (CSharp) Méthode

		private void AddOneToDecHex ()
		{
			if (_val1 == 0x99999999) {
				_val1 = 0;
				if (_val2 == 0x99999999) {
					_val2 = 0;
					if (_val3 == 0x99999999) {
						_val3 = 0;
						_val4 = AddOneToDecHex (_val4);
					}
					else
						_val3 = AddOneToDecHex (_val3);
				}
				else
					_val2 = AddOneToDecHex (_val2);
			}
			else
				_val1 = AddOneToDecHex (_val1);
		}