private async void CheckAsync_Click(object sender, RoutedEventArgs e)
{
ExcelStatic.StartTask();
MediaInfoChecker mediaDurationChecker = new MediaInfoChecker()
{
ResultOffSet = ExcelStatic.ResultOffset,
CheckDuration = this.CheckDuration.IsChecked.HasValue ? (bool)this.CheckDuration.IsChecked : false,
CheckHasVideo = this.CheckHasVideo.IsChecked.HasValue ? (bool)this.CheckHasVideo.IsChecked : false,
CheckHasAudio = this.CheckHasAudio.IsChecked.HasValue ? (bool)this.CheckHasAudio.IsChecked : false,
CheckResolution = this.CheckResolution.IsChecked.HasValue ? (bool)this.CheckResolution.IsChecked : false
};
mediaDurationChecker.Reportor.ProgressChange += Reportor_ProgressChange;
mediaDurationChecker.Reportor.MessageChange += Reportor_MessageChange;
CancellationTokenSource cancellationTokenSource = new CancellationTokenSource();
cancellationTokenSource.Token.Register(() => ExcelStatic.EndTask());
this.Unloaded += (object s, System.Windows.RoutedEventArgs routedEventArgs) =>
{
cancellationTokenSource.Cancel();
};
try
{
await mediaDurationChecker.StartAsync(cancellationTokenSource.Token);
}
catch (Exception Ex)
{
System.Windows.Forms.MessageBox.Show(Ex.Message);
}
finally
{
ExcelStatic.EndTask();
}
}
private async void SplitButtonMediaDuration_Click(object sender, RibbonControlEventArgs e)
{
//我有点搞不懂了
//如果这个事件处理程序作为Async void方法，在Ribbon里直接运行，就会有大量内存无法释放
//但改成普通void方法，在方法内部用action封装一个async方法运行，就不会出现内存无法释放的情况
//Action action = async() =>
// {
ExcelStatic.StartTask();
MediaInfoChecker mediaDurationChecker = new MediaInfoChecker()
{
ResultOffSet = this.OffSet,
CheckDuration = true
};
CancellationTokenSource cancellationTokenSource = new CancellationTokenSource();
StatusForm statusForm = new StatusForm();
statusForm.Show();
mediaDurationChecker.Reportor.MessageChange += statusForm.ChangeMessage;
mediaDurationChecker.Reportor.ProgressChange += statusForm.ChangeProgress;
statusForm.FormClosing += (object s, System.Windows.Forms.FormClosingEventArgs formClosingEventArgs) => cancellationTokenSource.Cancel();
cancellationTokenSource.Token.Register(() => ExcelStatic.EndTask());
try
{
await mediaDurationChecker.StartAsync(cancellationTokenSource.Token);
}
catch (Exception Ex)
{
System.Windows.Forms.MessageBox.Show(Ex.Message);
}
finally
{
mediaDurationChecker.Reportor.MessageChange -= statusForm.ChangeMessage;
mediaDurationChecker.Reportor.ProgressChange -= statusForm.ChangeProgress;
mediaDurationChecker = null;
System.GC.Collect();
ExcelStatic.EndTask();
}
// };
//action.Invoke();
}
