/// <summary>
/// Attempt to claim the connected cash drawer.
/// </summary>
/// <returns>True if the cash drawer was successfully claimed, false otherwise.</returns>
private async Task <bool> ClaimCashDrawer()
{
if (drawer == null)
{
return(false);
}
if (claimedDrawer == null)
{
claimedDrawer = await drawer.ClaimDrawerAsync();
if (claimedDrawer == null)
{
return(false);
}
}
return(true);
}
/// <summary>
/// Attempt to claim the connected cash drawer.
/// </summary>
/// <param name="instance">Specifies the cash drawer instance that should be used.</param>
/// <returns>True if the cash drawer was successfully claimed, false otherwise.</returns>
private async Task <bool> ClaimCashDrawer(CashDrawerInstance instance)
{
bool claimAsyncStatus = false;
switch (instance)
{
case CashDrawerInstance.Instance1:
claimedCashDrawerInstance1 = await cashDrawerInstance1.ClaimDrawerAsync();
if (claimedCashDrawerInstance1 != null)
{
rootPage.NotifyUser("Successfully claimed instance 1.", NotifyType.StatusMessage);
claimAsyncStatus = true;
}
else
{
rootPage.NotifyUser("Failed to claim instance 1.", NotifyType.ErrorMessage);
}
break;
case CashDrawerInstance.Instance2:
claimedCashDrawerInstance2 = await cashDrawerInstance2.ClaimDrawerAsync();
if (claimedCashDrawerInstance2 != null)
{
rootPage.NotifyUser("Successfully claimed instance 2.", NotifyType.StatusMessage);
claimAsyncStatus = true;
}
else
{
rootPage.NotifyUser("Failed to claim instance 2.", NotifyType.ErrorMessage);
}
break;
default:
break;
}
return(claimAsyncStatus);
}
