public int Compare(object x, object y)
{
if (_objOrderOfSort == SortOrder.None)
{
return(0);
}
int intCompareResult;
// Cast the objects to be compared to ListViewItem objects
ListViewItem objListViewX = (ListViewItem)x;
ListViewItem objListViewY = (ListViewItem)y;
// Compare the two items
if (_intColumnToSort == 0)
{
if (objListViewX is ListViewItemWithValue objListViewItemWithValueX &&
objListViewY is ListViewItemWithValue objListViewItemWithValueY &&
(objListViewItemWithValueX.Value is IComparable ||
objListViewItemWithValueY.Value is IComparable))
{
if (objListViewItemWithValueX.Value is IComparable objXValue)
{
intCompareResult = objXValue.CompareTo(objListViewItemWithValueY.Value);
}
else
{
intCompareResult = -(objListViewItemWithValueY.Value as IComparable)?.CompareTo(objListViewItemWithValueX.Value) ?? 0;
}
}
else
{
intCompareResult = CompareListViewItems.CompareTextAsDates(objListViewX, objListViewY);
}
}
public int Compare(object x, object y)
{
if (_objOrderOfSort == SortOrder.None)
{
return(0);
}
int intCompareResult;
// Cast the objects to be compared to ListViewItem objects
ListViewItem listviewX = (ListViewItem)x;
ListViewItem listviewY = (ListViewItem)y;
// Compare the two items
if (_intColumnToSort == 0)
{
intCompareResult = CompareListViewItems.CompareTextAsDates(listviewX, listviewY);
}
else
{
string strX = listviewX?.SubItems[_intColumnToSort].Text.FastEscape('¥');
string strY = listviewY?.SubItems[_intColumnToSort].Text.FastEscape('¥');
if (decimal.TryParse(strX, System.Globalization.NumberStyles.Any, GlobalOptions.CultureInfo, out decimal decX) &&
decimal.TryParse(strY, System.Globalization.NumberStyles.Any, GlobalOptions.CultureInfo, out decimal decY))
{
intCompareResult = decimal.Compare(decX, decY);
}
else
{
intCompareResult = string.Compare(strX, strY, true, GlobalOptions.CultureInfo);
}
}
// Calculate correct return value based on object comparison
if (_objOrderOfSort == SortOrder.Ascending)
{
return(intCompareResult);
}
return(-intCompareResult);
}
