windows not allowed the component be accessed by the thread which doesn't create it.
it will cause error Cross-thread InvalidOperationException
1.
public Form1() { InitializeComponent(); Control.CheckForIllegalCrossThreadCalls = false; } 2. delegate
public partial class Form1 : Form { public delegate void delegate_boundTreeView(); // delegate public delegate_boundTreeView myDelegateBoundTreeView;
private System.Timers.Timer timer_refresh = new System.Timers.Timer(60000); // another thread
Form1() { boundTreeView (); // main thread
myDelegateBoundTreeView = new delegate_boundTreeView(boundTreeView); timer_refresh.Elapsed += new ElapsedEventHandler(timer_refresh_Elapsed); timer_refresh.Start(); }
public void boundTreeView () { // edit your windows component treeview or anything else (textbox, combobox) } public void timer_refresh_Elapsed(object sender, ElapsedEventArgs e) { try { this.Invoke(this.myDelegateBoundTreeView);
} catch { timer_refresh.Stop(); //timer_refresh.Enabled = false; } }}
control.invoke
http://msdn.microsoft.com/zh-cn/library/zyzhdc6b.aspx
http://msdn.microsoft.com/zh-cn/library/system.windows.forms.control.invokerequired.aspx
