public void CloseFile()
{
var localFilePath = this.filePath;
FileClosing?.Invoke(this, new FileClosingEventArgs(localFilePath));
this.filePath = null;
this.memory = null;
FileClosed?.Invoke(this, new FileClosedEventArgs(localFilePath));
}
private void File_OnClosed(object sender, EventArgs e)
{
var args = new FileClosingEventArgs();
args.File = sender;
FileClosing?.Invoke(this, args);
if (!args.Cancel)
{
// Doing the cast again in case something changed args
CloseFile(sender as FileViewModel);
}
}
/// <summary>
/// Closes the file
/// </summary>
/// <param name="File">File to close</param>
public virtual void CloseFile(FileViewModel file)
{
if (file != null)
{
var args = new FileClosingEventArgs();
args.File = file;
FileClosing?.Invoke(this, args);
if (!args.Cancel)
{
for (var i = OpenFiles.Count - 1; i >= 0; i--)
{
if (ReferenceEquals(OpenFiles[i], file))
{
OpenFiles[i].Dispose();
var openFilesCount = OpenFiles.Count;
try
{
OpenFiles.RemoveAt(i);
}
catch (NullReferenceException)
{
// There's been a bug in a dependency where OpenFiles.RemoveAt fails because of UI stuff.
// If the same exception is encountered, and the file has actually been removed, then ignore it.
if (openFilesCount <= OpenFiles.Count) // OpenFiles.Count should have decreased by 1. If it has not, then throw the exception.
{
throw;
}
}
}
}
if (ReferenceEquals(file, SelectedFile))
{
SelectedFile = null;
}
FileClosed?.Invoke(this, new FileClosedEventArgs {
File = file.Model
});
}
}
}
private void OnFileClosing()
{
Log.Info("Closing file...");
FileClosing?.Invoke(this, EventArgs.Empty);
}
