SftTree/NET 2.0 - Tree Control for Windows Forms

ColumnIndex Property, CellClass Class

Returns the column's zero-based index in the column collection.

Class: CellClass
Namespace: Softelvdm.SftTreeNET
Assembly: Softelvdm.SftTreeNET

Syntax

public int ColumnIndex { get; }

Public ReadOnly Property ColumnIndex As Integer

Value

A value that specifies the zero-based column index in the column collection.

Comments

Returns the column's zero-based index in the column collection.

The CallClass.OwningItem property can be used to determine the item to which this cell belongs.

Examples

C#

            if (e.Cell.ColumnIndex == 0) // Can't edit the first column
                e.Allowed = false;
        }

        private void sftTree1_EditSetup(object sender, Softelvdm.SftTreeNET.EditSetupEventArgs e) {
            Debug.Write("** EditSetup");
            DumpValues(e);

            if (e.Cell.ColumnIndex == 1) {
                // We use a textbox for column 1 (remember, column 0 is not editable,
                // because of the EditAllowed event
                // set all textbox properties
                textBox1.Parent = sftTree1;     // make the tree control the parent window

                textBox1.Text = e.Cell.Text;
                int h = textBox1.Height;

View Entire Sample Code

VB.NET

    sftTree1.Columns.MakeOptimal(0, False)
    sftTree1.RecalcHorizontalExtent()
    sftTree1.Initializing = False
End Sub

Private Sub sftTree1_EditAllowed(ByVal sender As Object, ByVal e As Softelvdm.SftTreeNET.EditAllowedEventArgs) Handles sftTree1.EditAllowed
    Debug.Write("** EditAllowed")
    DumpValues(e)
    If e.Cell.ColumnIndex = 0 Then ' Can't edit the first column
        e.Allowed = False
    End If
End Sub

Private Sub sftTree1_EditSetup(ByVal sender As Object, ByVal e As Softelvdm.SftTreeNET.EditSetupEventArgs) Handles sftTree1.EditSetup
    Debug.Write("** EditSetup")
    DumpValues(e)

View Entire Sample Code

See Also CellClass Class | Classes | SftTree/NET 2.0