/// <summary>
/// Clears a specific amount of lines
/// </summary>
/// <param name="lineCount">Lines to clear</param>
/// <param name="order">The order in which the lines will be cleared</param>
public void Clear(int lineCount = 1, ClearOrder order = ClearOrder.OldestToNewest)
{
if (_lines.Count == 0)
{
return;
}
lineCount = Math.Min(lineCount, _lines.Count);
switch (order)
{
default:
case ClearOrder.OldestToNewest:
for (int i = 0; i < lineCount; i++)
{
ClearLine(0);
}
break;
case ClearOrder.NewestToOldest:
for (int i = 0; i < lineCount; i++)
{
ClearLine(_lines.Count - 1);
}
break;
}
}
public PosViewModel(string appInfo, string windowIcon, OperatingStatus status)
{
MachineSn = Global.MachineSettings.MachineInformations.MachineSn;
StoreName = Global.MachineSettings.MachineInformations.StoreName;
WinTitle = string.Format("{0}{1}", Global.MachineSettings.MachineInformations.Company, string.IsNullOrEmpty(Global.MachineSettings.MachineInformations.StoreName) ? "" : " | " + Global.MachineSettings.MachineInformations.StoreName);
Current = this;
AppName = appInfo;
WinIcon = windowIcon;
UserCode = Global.CurrentSaleMen.UserCode;
OperatorName = Global.CurrentSaleMen.FullName;
OrderList = new ObservableCollection <Product>();
Task.Factory.StartNew(() =>
{
while (isRuning)
{
Date = DateTime.Now;
Thread.Sleep(1000);
}
});
OperatingStatus = status;
// ConnectStatus = PosModels.ConnectStatus.Server;
ClearOrder.Execute(null);
//绑定快捷键对应文本
BindHotKeys();
}
