/// <summary>
/// This method is inherited from the IComparer interface. It compares the two objects passed using a case insensitive comparison.
/// </summary>
/// <param name="x">First object to be compared</param>
/// <param name="y">Second object to be compared</param>
/// <returns>The result of the comparison. "0" if equal, negative if 'x' is less than 'y' and positive if 'x' is greater than 'y'</returns>
public int Compare(object x, object y)
{
int compareResult;
ListViewItem listviewX, listviewY;
// Cast the objects to be compared to ListViewItem objects
listviewX = (ListViewItem)x;
listviewY = (ListViewItem)y;
if (ColumnToSort == 0)
{
compareResult = FirstObjectCompare.Compare(x, y);
}
else
{
// Compare the two items
compareResult = ObjectCompare.Compare(listviewX.SubItems[ColumnToSort].Text, listviewY.SubItems[ColumnToSort].Text);
}
// Calculate correct return value based on object comparison
if (OrderOfSort == SortOrder.Ascending)
{
// Ascending sort is selected, return normal result of compare operation
return(compareResult);
}
else if (OrderOfSort == SortOrder.Descending)
{
// Descending sort is selected, return negative result of compare operation
return(-compareResult);
}
else
{
// Return '0' to indicate they are equal
return(0);
}
}
/// <summary>
/// This method is inherited from the IComparer interface. It compares the two objects passed using a case insensitive comparison.
/// </summary>
/// <param name="x">First object to be compared</param>
/// <param name="y">Second object to be compared</param>
/// <returns>The result of the comparison. "0" if equal, negative if 'x' is less than 'y' and positive if 'x' is greater than 'y'</returns>
public int Compare(object x, object y)
{
int compareResult;
ListViewItem listviewX, listviewY;
// Cast the objects to be compared to ListViewItem objects
listviewX = (ListViewItem)x;
listviewY = (ListViewItem)y;
if (ColumnToSort == 0)
{
compareResult = FirstObjectCompare.Compare(x, y);
}
else if (ColumnToSort == 1) // IP
{
compareResult = -1;
string sIp1 = listviewX.SubItems[ColumnToSort].Text;
string sIp2 = listviewY.SubItems[ColumnToSort].Text;
if (sIp1 == sIp2)
{
compareResult = 0; // Identical
}
else if (sIp1.Length > 0 && sIp2.Length > 0)
{
string[] sIp1p = sIp1.Split('.');
string[] sIp2p = sIp2.Split('.');
// Might be IPs
if (sIp1p.Length == 4 && sIp2p.Length == 4)
{
if (Convert.ToInt32(sIp1p[0]) < Convert.ToInt32(sIp2p[0]))
{
compareResult = -1;
}
else if (Convert.ToInt32(sIp1p[0]) > Convert.ToInt32(sIp2p[0]))
{
compareResult = 1;
}
else
{
if (Convert.ToInt32(sIp1p[1]) < Convert.ToInt32(sIp2p[1]))
{
compareResult = -1;
}
else if (Convert.ToInt32(sIp1p[1]) > Convert.ToInt32(sIp2p[1]))
{
compareResult = 1;
}
else
{
if (Convert.ToInt32(sIp1p[2]) < Convert.ToInt32(sIp2p[2]))
{
compareResult = -1;
}
else if (Convert.ToInt32(sIp1p[2]) > Convert.ToInt32(sIp2p[2]))
{
compareResult = 1;
}
else
{
if (Convert.ToInt32(sIp1p[3]) < Convert.ToInt32(sIp2p[3]))
{
compareResult = -1;
}
else if (Convert.ToInt32(sIp1p[3]) > Convert.ToInt32(sIp2p[3]))
{
compareResult = 1;
}
}
}
}
}
}
}
else if (ColumnToSort == 2) // MAC
{
compareResult = -1;
string sIp1 = listviewX.SubItems[ColumnToSort].Text;
string sIp2 = listviewY.SubItems[ColumnToSort].Text;
if (sIp1 == sIp2)
{
compareResult = 0; // Identical
}
else if (sIp1.Length > 0 && sIp2.Length > 0)
{
string[] sIp1p = sIp1.Split(':');
string[] sIp2p = sIp2.Split(':');
// Might be MAC Adresses
if (sIp1p.Length == 6 && sIp2p.Length == 6)
{
if (Convert.ToInt32(sIp1p[0], 16) < Convert.ToInt32(sIp2p[0], 16))
{
compareResult = -1;
}
else if (Convert.ToInt32(sIp1p[0], 16) > Convert.ToInt32(sIp2p[0], 16))
{
compareResult = 1;
}
else
{
if (Convert.ToInt32(sIp1p[1], 16) < Convert.ToInt32(sIp2p[1], 16))
{
compareResult = -1;
}
else if (Convert.ToInt32(sIp1p[1], 16) > Convert.ToInt32(sIp2p[1], 16))
{
compareResult = 1;
}
else
{
if (Convert.ToInt32(sIp1p[2], 16) < Convert.ToInt32(sIp2p[2], 16))
{
compareResult = -1;
}
else if (Convert.ToInt32(sIp1p[2], 16) > Convert.ToInt32(sIp2p[2], 16))
{
compareResult = 1;
}
else
{
if (Convert.ToInt32(sIp1p[3], 16) < Convert.ToInt32(sIp2p[3], 16))
{
compareResult = -1;
}
else if (Convert.ToInt32(sIp1p[3], 16) > Convert.ToInt32(sIp2p[3], 16))
{
compareResult = 1;
}
else
{
if (Convert.ToInt32(sIp1p[4], 16) < Convert.ToInt32(sIp2p[4], 16))
{
compareResult = -1;
}
else if (Convert.ToInt32(sIp1p[4], 16) > Convert.ToInt32(sIp2p[4], 16))
{
compareResult = 1;
}
else
{
if (Convert.ToInt32(sIp1p[5], 16) < Convert.ToInt32(sIp2p[5], 16))
{
compareResult = -1;
}
else if (Convert.ToInt32(sIp1p[5], 16) > Convert.ToInt32(sIp2p[5], 16))
{
compareResult = 1;
}
}
}
}
}
}
}
}
}
else
{
// Compare the two items
compareResult = ObjectCompare.Compare(listviewX.SubItems[ColumnToSort].Text, listviewY.SubItems[ColumnToSort].Text);
}
// Calculate correct return value based on object comparison
if (OrderOfSort == SortOrder.Ascending)
{
// Ascending sort is selected, return normal result of compare operation
return(compareResult);
}
else if (OrderOfSort == SortOrder.Descending)
{
// Descending sort is selected, return negative result of compare operation
return(-compareResult);
}
else
{
// Return '0' to indicate they are equal
return(0);
}
}
public int Compare(object x, object y)
{
int compareResult = 0;
ListViewItem listviewX, listviewY;
listviewX = (ListViewItem)x;
listviewY = (ListViewItem)y;
ListView listViewMain = listviewX.ListView;
if (listViewMain.Sorting != SortOrder.Ascending &&
listViewMain.Sorting != SortOrder.Descending)
{
return(compareResult);
}
if (mySortModifier.Equals(SortModifiers.SortByText) || ColumnToSort > 0)
{
if (listviewX.SubItems.Count <= ColumnToSort &&
listviewY.SubItems.Count <= ColumnToSort)
{
compareResult = ObjectCompare.Compare(null, null);
}
else if (listviewX.SubItems.Count <= ColumnToSort &&
listviewY.SubItems.Count > ColumnToSort)
{
compareResult = ObjectCompare.Compare(null, listviewY.SubItems[ColumnToSort].Text.Trim());
}
else if (listviewX.SubItems.Count > ColumnToSort && listviewY.SubItems.Count <= ColumnToSort)
{
compareResult = ObjectCompare.Compare(listviewX.SubItems[ColumnToSort].Text.Trim(), null);
}
else
{
compareResult = ObjectCompare.Compare(listviewX.SubItems[ColumnToSort].Text.Trim(), listviewY.SubItems[ColumnToSort].Text.Trim());
}
}
else
{
switch (mySortModifier)
{
case SortModifiers.SortByCheckbox:
compareResult = FirstObjectCompare2.Compare(x, y);
break;
case SortModifiers.SortByImage:
compareResult = FirstObjectCompare.Compare(x, y);
break;
default:
compareResult = FirstObjectCompare.Compare(x, y);
break;
}
}
if (OrderOfSort == SortOrder.Ascending)
{
return(compareResult);
}
else if (OrderOfSort == SortOrder.Descending)
{
return(-compareResult);
}
else
{
return(0);
}
}
/// <summary>
/// This method is inherited from the IComparer interface. It compares the two objects passed using a case insensitive comparison.
/// </summary>
/// <param name="x">First object to be compared</param>
/// <param name="y">Second object to be compared</param>
/// <returns>The result of the comparison. "0" if equal, negative if 'x' is less than 'y' and positive if 'x' is greater than 'y'</returns>
public int Compare(object x, object y)
{
int compareResult = 0;
ListViewItem listviewX, listviewY;
// Cast the objects to be compared to ListViewItem objects
listviewX = (ListViewItem)x;
listviewY = (ListViewItem)y;
ListView listViewMain = listviewX.ListView;
// Calculate correct return value based on object comparison
if (listViewMain.Sorting != SortOrder.Ascending &&
listViewMain.Sorting != SortOrder.Descending)
{
// Return '0' to indicate they are equal
return(compareResult);
}
if (mySortModifier.Equals(SortModifiers.SortByText) || ColumnToSort > 0)
{
// Compare the two items
if (listviewX.SubItems.Count <= ColumnToSort &&
listviewY.SubItems.Count <= ColumnToSort)
{
compareResult = ObjectCompare.Compare(null, null);
}
else if (listviewX.SubItems.Count <= ColumnToSort &&
listviewY.SubItems.Count > ColumnToSort)
{
compareResult = ObjectCompare.Compare(null, listviewY.SubItems[ColumnToSort].Text.Trim());
}
else if (listviewX.SubItems.Count > ColumnToSort && listviewY.SubItems.Count <= ColumnToSort)
{
compareResult = ObjectCompare.Compare(listviewX.SubItems[ColumnToSort].Text.Trim(), null);
}
else
{
compareResult = ObjectCompare.Compare(listviewX.SubItems[ColumnToSort].Text.Trim(), listviewY.SubItems[ColumnToSort].Text.Trim());
}
}
else
{
switch (mySortModifier)
{
case SortModifiers.SortByCheckbox:
compareResult = FirstObjectCompare2.Compare(x, y);
break;
case SortModifiers.SortByImage:
compareResult = FirstObjectCompare.Compare(x, y);
break;
default:
compareResult = FirstObjectCompare.Compare(x, y);
break;
}
}
// Calculate correct return value based on object comparison
if (OrderOfSort == SortOrder.Ascending)
{
// Ascending sort is selected, return normal result of compare operation
return(compareResult);
}
else if (OrderOfSort == SortOrder.Descending)
{
// Descending sort is selected, return negative result of compare operation
return(-compareResult);
}
else
{
// Return '0' to indicate they are equal
return(0);
}
}