protected virtual string OnFileDialogRequest(FileDialogTypes dialogType, string initialDirectory, string fileName, string filter, int filterIndex)
{
var handler = FileDialogRequest;
if (handler != null)
{
var e = new FileDialogRequestEventArgs()
{
FileDialogType = dialogType,
InitialDirectory = initialDirectory,
FileName = fileName,
Filter = filter,
FilterIndex = filterIndex
};
handler.Invoke(this, e);
if (e.DialogResult == DialogResult.OK)
{
return(e.FileName);
}
}
return(String.Empty);
}
private void _controller_FileDialogRequest(object sender, FileDialogRequestEventArgs e)
{
try
{
if (e.FileDialogType == FileDialogRequestEventArgs.FileDialogTypes.Open)
{
e.DialogResult = ControllerDisplayOpenFileDialog(this, e);
}
else if (e.FileDialogType == FileDialogRequestEventArgs.FileDialogTypes.Save)
{
e.DialogResult = ControllerDisplaySaveFileDialog(this, e);
}
else if (e.FileDialogType == FileDialogRequestEventArgs.FileDialogTypes.SelectFolder)
{
throw new NotImplementedException();
}
}
catch (Exception ex)
{
ExceptionHandler(ex);
}
}
protected virtual DialogResult ControllerDisplayOpenFileDialog(IWin32Window owner, FileDialogRequestEventArgs e)
{
if (this.InvokeRequired)
{
e.DialogResult = (DialogResult)Invoke(new Func <DialogResult>(
() =>
{
var dialog = new OpenFileDialog()
{
InitialDirectory = e.InitialDirectory,
Filter = e.Filter,
FilterIndex = e.FilterIndex,
FileName = e.FileName
};
e.DialogResult = dialog.ShowDialog(owner);
if (e.DialogResult == DialogResult.OK)
{
e.FileName = dialog.FileName;
}
return(e.DialogResult);
}));
}
else
{
var dialog = new OpenFileDialog()
{
InitialDirectory = e.InitialDirectory,
Filter = e.Filter,
FilterIndex = e.FilterIndex,
FileName = e.FileName
};
e.DialogResult = dialog.ShowDialog(this);
if (e.DialogResult == DialogResult.OK)
{
e.FileName = dialog.FileName;
}
}
return(e.DialogResult);
}
