BackgroundWorker GTK# Mono .NET. , , , . . , , Thread . . Mono .NET, , IAsyncResult. GTK#. . , BackgroundWorker - BackgroundWorker.cs:
using System;
using Gtk;
using System.Threading;
namespace X
{
public abstract class BackgroundWorker
{
protected object result;
protectedThreadNotify completed;
protectedThread asyncThread;
public BackgroundWorker ()
{
result = null;
completed = newThreadNotify (newReadyEvent (ready));
asyncThread = newThread(newParameterizedThreadStart(DoWork));
}
protected abstract void DoWork(object param = null);
public void RunWorkerAsync(object param = null)
{
asyncThread.Start(param);
}
protected virtual void ready(){}
}
} - , , . - DoWork, RunWorkerAsync . object, .. . - completed.WakeupMain(); , , , ready Mono. , ready virtual . RunWorkerAsync , DoWork . , Mono .NET GTK#. , . private classDBChecker :BackgroundWorker
{
protected override void DoWork(object param)
{
result = false;
if(param != null)
{
MySqlConnection dbcon;
dbcon = newMySqlConnection(param.ToString());
try
{
dbcon.Open();
result = true;
}
catch {
}
}
completed.WakeupMain();
}
protected override void ready()
{
if(this.result == null)
return;
if(!(this.result is bool))
return;
if(bool.Parse(this.result.ToString()) == true)
MessageBox.Show(" ");
else
MessageBox.Show(" ");
}
}
result - , , completed.WakeupMain() . : DBChecker checker = newDBChecker();
checker.RunWorkerAsync(_connectionString);
, . . Mono BackgroundWorker Windows Forms C#. P.S: - , , - . . |
