如何使ListBox中的某些项目变为粗体? [英] How can I make some items in a ListBox bold?

问题描述

在Visual c#Express Edition中，是否可以将ListBox中的某些(但不是全部)项目设为粗体?我在API中找不到任何选项.

In Visual c# Express Edition, is it possible to make some (but not all) items in a ListBox bold? I can't find any sort of option for this in the API.

推荐答案

您需要将列表框的DrawMode更改为DrawMode.OwnerDrawFixed.在msdn上查看以下文章:
DrawMode枚举
ListBox.DrawItem事件
Graphics.DrawString方法

You need to change listbox's DrawMode to DrawMode.OwnerDrawFixed. Check out these articles on msdn:
DrawMode Enumeration
ListBox.DrawItem Event
Graphics.DrawString Method

也可以在msdn论坛上查看此问题:
对ListBox项的疑问

Also look at this question on msdn forums:
Question on ListBox items

一个简单的示例(两项-Black-Arial-10-Bold):

A simple example (both items - Black-Arial-10-Bold):

 public partial class Form1 : Form
 {
    public Form1()
    {
        InitializeComponent();

        ListBox1.Items.AddRange(new Object[] { "First Item", "Second Item"});
        ListBox1.DrawMode = DrawMode.OwnerDrawFixed;
    }

    private void ListBox1_DrawItem(object sender, DrawItemEventArgs e)
    {
        e.DrawBackground();
        e.Graphics.DrawString(ListBox1.Items[e.Index].ToString(), new Font("Arial", 10, FontStyle.Bold), Brushes.Black, e.Bounds);
        e.DrawFocusRectangle();
    }
 }

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