Brewmaster.Settings.BreakpointEditor._okButton_Click C# (CSharp) Method

		private void _okButton_Click(object sender, System.EventArgs e)
		{
			var breakpoint = Breakpoint;
			if (_breakBySourceLine.Checked)
			{
				int lineNumber;
				if (!int.TryParse(_fileLineNumber.Text, out lineNumber) || lineNumber < 1)
				{
					Program.Error("Invalid line number. Must be a valid number.");
					return;
				}

				if (breakpoint.File != _fileSelect.SelectedItem || breakpoint.CurrentLine != lineNumber)
				{
					breakpoint.File = _fileSelect.SelectedItem as AsmProjectFile;
					breakpoint.BuildLine = breakpoint.CurrentLine = lineNumber;
				}
				breakpoint.Symbol = null;
				breakpoint.StartAddress = -1;
				breakpoint.EndAddress = null;
				breakpoint.AddressType = Breakpoint.AddressTypes.PrgRom;
				_breakOnExecute.Checked = true;
			}
			else if (_breakBySymbol.Checked)
			{
				breakpoint.File = null;
				breakpoint.Symbol = _symbol.Text.Trim();
				breakpoint.StartAddress = -1;
				breakpoint.EndAddress = null;
				breakpoint.AddressType = Breakpoint.AddressTypes.Cpu;
				breakpoint.UpdateFromSymbols(_project.DebugSymbols);
			}
			else
			{
				int startAddress;
				int endAddress;
				if (!int.TryParse(_fromAddress.Text, NumberStyles.HexNumber, CultureInfo.InvariantCulture, out startAddress))
				{
					Program.Error("Invalid start address. Must be a hex value.");
					return;
				}
				if (string.IsNullOrWhiteSpace(_toAddress.Text)) endAddress = -1;
				else if (!int.TryParse(_toAddress.Text, NumberStyles.HexNumber, CultureInfo.InvariantCulture, out endAddress))
				{
					Program.Error("Invalid end address. Must be a hex value.");
					return;
				}
				breakpoint.File = null;
				breakpoint.Symbol = null;
				breakpoint.StartAddress = startAddress;
				breakpoint.EndAddress = endAddress >= 0 ? endAddress : null as int?;
				if (_addressFromCpu.Checked) breakpoint.AddressType = Breakpoint.AddressTypes.Cpu;
				if (_addressFromRom.Checked) breakpoint.AddressType = Breakpoint.AddressTypes.PrgRom;
				if (_addressFromVram.Checked) breakpoint.AddressType = Breakpoint.AddressTypes.Ppu;
			}

			breakpoint.Type = 0;
			if (_breakOnExecute.Checked) breakpoint.Type |= Breakpoint.Types.Execute;
			if (_breakOnRead.Checked) breakpoint.Type |= Breakpoint.Types.Read;
			if (_breakOnWrite.Checked) breakpoint.Type |= Breakpoint.Types.Write;

			DialogResult = DialogResult.OK;
			Close();
		}
	}