public Task <DialogResult?> Show <TUserControl>(BaseDialogViewModel viewModel) where TUserControl : UserControl, new ()
{
// create control
var control = new TUserControl {
DataContext = viewModel
};
var completionSource = new TaskCompletionSource <DialogResult?>();
var dialog = new Dialog(completionSource, this);
// pass dialog for remote control
viewModel.Dialog = dialog;
// ReSharper disable once InvertIf
if (!_IsDialogControlFree() || _dialogQueue.Count != 0)
{
// add dialog content to show queue
var internalDialog = new _InternalDialog {
Content = control
};
_dialogQueue.Enqueue(internalDialog);
#if DEBUG
Console.WriteLine($@"{nameof(IDialogSystemBase)}.{nameof(Show)}.queueCount={_dialogQueue.Count}");
// queue overflow
if (_dialogQueue.Count > QUEUE_SIZE)
{
throw new Exception("Dialog queue overflow!");
}
#else
#endif
}
else
{
// initial setup
_SetupDialog(control);
}
return(completionSource.Task);
}
public Task <DialogResult?> Show <TUserControl>(BaseDialogViewModel viewModel)
where TUserControl : UserControl, new()
{
return(_dialogSystem.Show <TUserControl>(viewModel));
}
