/// <summary>
/// Cancels all pending operations.
/// </summary>
/// <returns>A task that can be awaited until operations are cancelled.</returns>
public async Task CancelOperation()
{
await this.protocol.ResetTerminalStateAsync();
var signatureArgs = new SignatureEventArgs {
IsCanceled = true
};
this.SignatureEvent(null, signatureArgs);
var inputValueArgs = new InputValueEventArgs {
IsCanceled = true
};
this.InputValueEvent(null, inputValueArgs);
var creditCardArgs = new CardSwipeEventArgs {
IsCanceled = true
};
this.CardSwipeEvent(null, creditCardArgs);
var pinDataArgs = new PinDataEventArgs {
IsCanceled = true
};
this.PinDataEvent(null, pinDataArgs);
var buttonPressArgs = new ButtonPressEventArgs {
IsCanceled = true
};
this.ButtonPressEvent(null, buttonPressArgs);
}
/// <summary>
/// Translates the protocol event args to value event args.
/// </summary>
/// <param name="sender">Event sender.</param>
/// <param name="args">Event arguments.</param>
private void HandleEnterKeyPadEvent(object sender, DeviceKeypadEventArgs args)
{
var inputValueArgs = new InputValueEventArgs {
IsCanceled = args.IsCanceled, Value = args.Value
};
this.InputValueEvent(sender, inputValueArgs);
}
private void InternalCancelOperation()
{
try
{
this.ClearData();
var signatureArgs = new SignatureEventArgs {
IsCanceled = true
};
this.SignatureEvent(null, signatureArgs);
var inputValueArgs = new InputValueEventArgs {
IsCanceled = true
};
this.InputValueEvent(null, inputValueArgs);
var creditCardArgs = new CardSwipeEventArgs {
IsCanceled = true
};
this.CardSwipeEvent(null, creditCardArgs);
var pinDataArgs = new PinDataEventArgs {
IsCanceled = true
};
this.PinDataEvent(null, pinDataArgs);
var buttonPressArgs = new ButtonPressEventArgs {
IsCanceled = true
};
this.ButtonPressEvent(null, buttonPressArgs);
}
catch (COMException ex)
{
NetTracer.Warning(ex, "L5300Terminal - FPE COM exception");
}
}
