http://nfex.ru/index.php?action=history&feed=atom&title=Csharp%2FCSharp_Tutorial%2FGUI_Windows_Forms%2FThread_UI 2026-04-29T21:40:42Z История изменений этой страницы в вики MediaWiki 1.30.0 http://nfex.ru/index.php?title=Csharp/CSharp_Tutorial/GUI_Windows_Forms/Thread_UI&diff=5411&oldid=prev 2010-05-26T15:31:53Z

<p></p> <table class="diff diff-contentalign-left" data-mw="interface"> <tr style="vertical-align: top;" lang="ru"> <td colspan="1" style="background-color: white; color:black; text-align: center;">← Предыдущая</td> <td colspan="1" style="background-color: white; color:black; text-align: center;">Версия 15:31, 26 мая 2010</td> </tr><tr><td colspan="2" style="text-align: center;" lang="ru"><div class="mw-diff-empty">(нет различий)</div> </td></tr></table>

http://nfex.ru/index.php?title=Csharp/CSharp_Tutorial/GUI_Windows_Forms/Thread_UI&diff=5412&oldid=prev 2010-05-26T12:15:21Z

<p>1 версия</p> <p><b>Новая страница</b></p><div>==Multithreading in Windows Forms==<br /> <br /> <br /> <br /> &lt;source lang=&quot;csharp&quot;&gt;using System;<br /> using System.Drawing;<br /> using System.Threading;<br /> using System.Windows.Forms;<br /> class Program : Form<br /> {<br /> private System.Windows.Forms.ProgressBar _ProgressBar;<br /> [STAThread]<br /> static void Main()<br /> {<br /> Application.Run(new Program());<br /> }<br /> public Program()<br /> {<br /> InitializeComponent();<br /> ThreadStart threadStart = Increment;<br /> threadStart.BeginInvoke(null, null);<br /> }<br /> void UpdateProgressBar()<br /> {<br /> if (_ProgressBar.InvokeRequired){<br /> MethodInvoker updateProgressBar = UpdateProgressBar;<br /> _ProgressBar.Invoke(updateProgressBar);<br /> }else{<br /> _ProgressBar.Increment(1);<br /> }<br /> }<br /> private void Increment()<br /> {<br /> for (int i = 0; i &lt; 100; i++)<br /> {<br /> UpdateProgressBar();<br /> Thread.Sleep(100);<br /> }<br /> if (InvokeRequired)<br /> {<br /> Invoke(new MethodInvoker(Close));<br /> }else{<br /> Close();<br /> }<br /> }<br /> private void InitializeComponent()<br /> {<br /> _ProgressBar = new ProgressBar();<br /> SuspendLayout();<br /> _ProgressBar.Location = new Point(13, 17);<br /> _ProgressBar.Size = new Size(267, 19);<br /> ClientSize = new Size(292, 53);<br /> Controls.Add(this._ProgressBar);<br /> Text = &quot;Multithreading in Windows Forms&quot;;<br /> ResumeLayout(false);<br /> }<br /> }&lt;/source&gt;<br /> <br /> ==Mutex and UI==<br /> <br /> <br /> <br /> &lt;source lang=&quot;csharp&quot;&gt;using System;<br /> using System.Drawing;<br /> using System.Collections;<br /> using System.ruponentModel;<br /> using System.Windows.Forms;<br /> using System.Data;<br /> using System.Threading;<br /> public class MutexForm : System.Windows.Forms.Form<br /> {<br /> private Mutex m = new Mutex( false, &quot;WinMutex&quot; );<br /> private bool bHaveMutex = false;<br /> public MutexForm()<br /> {<br /> Thread T = new Thread( new ThreadStart( ThreadProc ) );<br /> T.Start( );<br /> <br /> }<br /> protected override void OnPaint( PaintEventArgs e ) {<br /> if( this.bHaveMutex )<br /> DrawCircle( System.Drawing.Color.Green );<br /> else<br /> DrawCircle( System.Drawing.Color.Red );<br /> }<br /> protected void DrawCircle( System.Drawing.Color color ) {<br /> using(Brush b = new SolidBrush( color )){<br /> using(Graphics g = this.CreateGraphics( )){<br /> g.FillEllipse( b, 0, 0, this.ClientSize.Width, this.ClientSize.Height ); <br /> }}<br /> }<br /> protected void ThreadProc( ) {<br /> while( true ) {<br /> m.WaitOne( );<br /> bHaveMutex = true;<br /> Invalidate( );<br /> Update( );<br /> Thread.Sleep( 1000 );<br /> m.ReleaseMutex( );<br /> bHaveMutex = false;<br /> Invalidate( );<br /> Update( );<br /> }<br /> }<br /> [STAThread]<br /> static void Main() <br /> {<br /> Application.Run(new MutexForm());<br /> }<br /> }&lt;/source&gt;</div>

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