Sort Method, ItemCollectionClass Class
Sorts the items in the item collection.
Class: ItemCollectionClass
Namespace: Softelvdm.SftTreeNET
Assembly: Softelvdm.SftTreeNET
Syntax
public void Sort();
public void Sort( IComparer Comparer );
public void Sort(
IComparer Comparer,
bool Recursive );
Public Sub Sort()
Public Sub Sort( ByVal Comparer As IComparer )
Public Sub Sort(
ByVal Comparer As IComparer,
ByVal Recursive As Boolean )Parameters
Comparer
Defines a method that compares two items or null/Nothing to use the SortAscending class implementation.
Recursive
Defines whether the dependents are also sorted, True to sort all direct and indirect dependents also, otherwise False. The default is False.
Comments
Sorts the items in the item collection.
Comparer implements a method that is used to compare two items. The sorting process calls this method repeatedly to sort the item collection. The method can sort items based on any of their attributes, even multiple keys.
Default implementations are available to sort cell text in a column ascending (SortAscending) or descending (SortDescending). Samples, including the implementation of SortAscending and SortDescending are shown below.
Examples
C#
if (e.Area != ItemClickAreaEnum.Cell)
return;
bool fAscending = SetSorted(e.Cell.ColumnIndex);
switch (e.Cell.ColumnIndex) {
default: // column 0 and 1 are sorted based on the Text property
if (fAscending)
sftTree1.ItemCollection.Sort(new SortAscending(e.Cell.ColumnIndex));
else
sftTree1.ItemCollection.Sort(new SortDescending(e.Cell.ColumnIndex));
break;
case 2: case 3: // column 2 and 3 are sorted based on the TagObject property, interpreted as a long
if (fAscending)
sftTree1.ItemCollection.Sort(new SortTagObjectAsLongAscending(e.Cell.ColumnIndex));
else View Entire Sample Code
VB.NET
Return
End If
Dim fAscending As Boolean = SetSorted(e.Cell.ColumnIndex)
Select Case e.Cell.ColumnIndex
Case 2, 3 ' column 2 and 3 are sorted based on the TagObject property, interpreted as a long
If fAscending Then
sftTree1.ItemCollection.Sort(New SortTagObjectAsLongAscending(e.Cell.ColumnIndex))
Else
sftTree1.ItemCollection.Sort(New SortTagObjectAsLongDescending(e.Cell.ColumnIndex))
End If
Case Else ' column 0 and 1 are sorted based on the Text property
If fAscending Then
sftTree1.ItemCollection.Sort(New SortAscending(e.Cell.ColumnIndex))
Else View Entire Sample Code
See Also ItemCollectionClass Class | Classes | SftTree/NET 2.0
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