DrawToolsRedux/PropertiesDialog.cs

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using System;
using System.Globalization;
using System.Windows.Forms;

namespace DrawTools
{
	internal partial class PropertiesDialog : Form
	{
		public PropertiesDialog()
		{
			InitializeComponent();
		}

		private GraphicsProperties properties;
		private const string undefined = "??";
		private const int maxWidth = 5;

		public GraphicsProperties Properties
		{
			get { return properties; }
			set { properties = value; }
		}
        // 下载于www.51aspx.com
		private void PropertiesDialog_Load(object sender, EventArgs e)
		{
			InitControls();
			SetColor();
			SetPenWidth();
		}

		private void InitControls()
		{
			for (int i = 1; i <= maxWidth; i++)
			{
				cmbPenWidth.Items.Add(i.ToString(CultureInfo.InvariantCulture));
			}
		}

		private void SetColor()
		{
			if (properties.Color.HasValue)
				lblColor.BackColor = properties.Color.Value;
			else
				lblColor.Text = undefined;
		}

		private void SetPenWidth()
		{
			if (properties.PenWidth.HasValue)
			{
				int penWidth = properties.PenWidth.Value;

				if (penWidth < 1)
					penWidth = 1;

				if (penWidth > maxWidth)
					penWidth = maxWidth;

				label2.Text = penWidth.ToString(CultureInfo.InvariantCulture);
				cmbPenWidth.SelectedIndex = penWidth - 1;