/// <summary>
/// 使用指定参数来启动任务
/// </summary>
/// <param name="arguments"></param>
public void RunWorkASync(object arguments)
{
if (IsBusy || _operation != null)
{
return;
}
_operation = AsyncOperationManager.CreateOperation(null);
var ts = new Thread(RunWorkAsyncInternal)
{
IsBackground = true,
Priority = WorkerPriority
};
_runworkEventArgs = new RunworkEventArgs(this)
{
Argument = arguments, Thread = ts
};
if (UseWaitCursor)
{
System.Windows.Forms.Cursor.Current = System.Windows.Forms.Cursors.WaitCursor;
}
ts.Start(_runworkEventArgs);
}
/// <summary>
/// 引发 <see cref="DoWork"/> 事件
/// </summary>
/// <param name="e">类型为 <see cref="RunworkEventArgs"/> 的事件参数</param>
protected virtual void OnDoWork(RunworkEventArgs e)
{
var handler = DoWork;
if (handler != null)
{
handler(this, e);
}
}
/// <summary>
/// 引发 <see cref="WorkerThreadAborted"/> 事件
/// </summary>
/// <param name="e">类型为 <see cref="RunworkEventArgs"/> 的事件参数</param>
protected virtual void OnWorkerThreadAborted(RunworkEventArgs e)
{
if (!IsBusy)
{
return;
}
var handler = WorkerThreadAborted;
if (handler == null)
{
return;
}
_operation.Post(_ => handler(this, e), null);
}
/// <summary>
/// 引发 <see cref="WorkCancelled"/> 事件
/// </summary>
/// <param name="e">类型为 <see cref="RunworkEventArgs"/> 的事件参数</param>
protected void OnWorkCancelled(RunworkEventArgs e)
{
if (!IsBusy)
{
return;
}
var operation = _operation;
_operation = null;
var handler = WorkCancelled;
if (handler == null)
{
return;
}
operation.PostOperationCompleted(_ => handler(this, e), null);
}