In code, you must create and remove splits using the RemoveHorizontalSplit, InsertHorizontalSplit, RemoveVerticalSplit, and InsertVerticalSplit methods. Each method takes a zero-based split index:

To write code in Visual Basic

' Create a split with index 7.
Me.C1List1.InsertVerticalSplit(7)
      
' Remove the split with index 5.     
Me.C1List1.RemoveVerticalSplit(5)

To write code in C#

// Create a split with index 7.     
this.c1List1.InsertVerticalSplit[7];

// Remove the split with index 5.
this.c1List1.RemoveVerticalSplit[5];

You can determine the number of splits in a list using the SplitCollection Count property:

To write code in Visual Basic

' Set variable equal to the number of splits in C1List1.
variable = Me.C1List1.Splits.Count

To write code in C#

// Set variable equal to the number of splits in C1List1.
variable = this.c1List1.Splits.Count;

You can iterate through all splits using the Count property, for example:

To write code in Visual Basic

For n = 0 To Me.C1List1.Splits.Count - 1
    Debug.WriteLine (Me.C1List1.Splits(n).Caption)
Next n

To write code in C#

for ( n = 0; n <= this.C1List1.Splits.Count   1; i++)
{
    Console.WriteLine (this.C1List1.Splits[n].Caption);
}

Of course, a more efficient way to code this would be to use a For Each...Next loop:

To write code in Visual Basic

Dim S As C1List.Split
For Each S In Me.C1List1.Splits 
    Debug.WriteLine (S.Caption)
Next S

To write code in C#

C1List.Split S;
foreach (S in this.C1List1.Splits)
{
    Console.WriteLine (S.Caption);
}

The new Split object will inherit all of its properties from the last object in the collection.