Question

C#.NET 的编程问题：利用计时器控件和标签控件演示移动字幕的效果

利用计时器控件和标签控件使 一段文字从窗体的一侧移到另一侧，并且字幕移出窗体时要从另一侧再移入窗体

Answer 1

在Form上放一个名为moveabledLabel的Label。 using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms; using Microsoft.Win32; namespace WindowsFormsApplication6 { public partial class Form1 : Form { public Form1() { InitializeComponent(); } private Timer _LabelMoveTimer; private Label _AssistantLabel; private void Form1_Load( object sender, EventArgs e ) { _AssistantLabel = new Label(); _AssistantLabel.Visible = false; _AssistantLabel.Parent = this; _AssistantLabel.Text = moveabledLabel.Text; _AssistantLabel.Top = moveabledLabel.Top; _AssistantLabel.Left = 0; _LabelMoveTimer = new Timer(); _LabelMoveTimer.Interval = 10; _LabelMoveTimer.Tick += new EventHandler( _LabelMoveTimer_Tick ); _LabelMoveTimer.Start(); } void _LabelMoveTimer_Tick( object sender, EventArgs e ) { moveabledLabel.Left += 4; int hiddenWidth = moveabledLabel.Width - this.Width + moveabledLabel.Left; if ( hiddenWidth > 0 ) { if ( hiddenWidth > moveabledLabel.Width ) { _AssistantLabel.Visible = false; moveabledLabel.Left = _AssistantLabel.Left; } else { if ( !_AssistantLabel.Visible ) { _AssistantLabel.Visible = true; _AssistantLabel.Left = hiddenWidth - moveabledLabel.Width; } else