public SeatingChart PreSeatingChart()
{
SeatingChart result;
if (this._ListSeatingChart.Count <= 0)
{
result = null;
}
else
{
this._nIndexPos--;
if (this._nIndexPos < 0)
{
this._nIndexPos = 0;
}
if (this._nIndexPos >= this._ListSeatingChart.Count)
{
this._nIndexPos = this._ListSeatingChart.Count - 1;
}
this._CurrentSeatingChart = this._ListSeatingChart[this._nIndexPos];
if (this.IsMinObj())
{
this.bhDirectionButton_L.IsMinOrMax = true;
}
else
{
this.bhDirectionButton_L.IsMinOrMax = false;
}
if (this.IsMaxObj())
{
this.bhDirectionButton_R.IsMinOrMax = true;
}
else
{
this.bhDirectionButton_R.IsMinOrMax = false;
}
result = this._CurrentSeatingChart;
}
return(result);
}
public void InitData(SeatingChart currentSeatingChart, List <SeatingChart> listSeatingChart)
{
this._CurrentSeatingChart = currentSeatingChart;
this._ListSeatingChart = listSeatingChart;
this._nIndexPos = 0;
if (this.IsMinObj())
{
this.bhDirectionButton_L.IsMinOrMax = true;
}
else
{
this.bhDirectionButton_L.IsMinOrMax = false;
}
if (this.IsMaxObj())
{
this.bhDirectionButton_R.IsMinOrMax = true;
}
else
{
this.bhDirectionButton_R.IsMinOrMax = false;
}
}
