/// <summary>
/// Cancels the editing of the data, but also closes the view model in the same call.
/// </summary>
/// <returns><c>true</c> if successful; otherwise <c>false</c>.</returns>
public static async Task <bool> CancelAndCloseViewModelAsync(this IViewModel viewModel)
{
Argument.IsNotNull("viewModel", viewModel);
var result = await viewModel.CancelViewModelAsync();
if (result)
{
await viewModel.CloseViewModelAsync(false);
}
return(result);
}
/// <summary>
/// Cancels the editing of the data, but also closes the view model in the same call.
/// </summary>
/// <returns><c>true</c> if successful; otherwise <c>false</c>.</returns>
public static async Task <bool> CancelAndCloseViewModelAsync(this IViewModel viewModel)
{
Argument.IsNotNull("viewModel", viewModel);
var viewModelBase = viewModel as ViewModelBase;
if (viewModelBase != null)
{
var exitAfterBlock = false;
if (viewModelBase.IsCanceling)
{
exitAfterBlock = true;
if (!await viewModelBase.AwaitCancelingAsync())
{
return(false);
}
}
if (viewModelBase.IsClosing)
{
exitAfterBlock = true;
await viewModelBase.AwaitClosingAsync();
}
if (exitAfterBlock)
{
return(true);
}
}
var result = await viewModel.CancelViewModelAsync();
if (result)
{
await viewModel.CloseViewModelAsync(false);
}
return(result);
}