ControlExtensions.AddTreeView Method (ControlCollection, Double, Double, Double, Double, String)

  • Article

Adds a new TreeView control to the worksheet in the specified size and location.

Namespace:  Microsoft.Office.Tools.Excel
Assembly:  Microsoft.Office.Tools.Excel.v4.0.Utilities (in Microsoft.Office.Tools.Excel.v4.0.Utilities.dll)

Syntax

'Declaration
<ExtensionAttribute> _
Public Shared Function AddTreeView ( _
    controls As ControlCollection, _
    left As Double, _
    top As Double, _
    width As Double, _
    height As Double, _
    name As String _
) As TreeView

public static TreeView AddTreeView(
    this ControlCollection controls,
    double left,
    double top,
    double width,
    double height,
    string name
)

Parameters

  • left
    Type: System.Double
    The distance in points between the left edge of the control and the left edge of the worksheet.
  • top
    Type: System.Double
    The distance in points between the top edge of the control and the top edge of the worksheet.
  • height
    Type: System.Double
    The height of the control in points.

Return Value

Type: Microsoft.Office.Tools.Excel.Controls.TreeView
The TreeView control that was added to the ControlCollection instance.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type ControlCollection. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).

Exceptions

Exception Condition
ArgumentNullException

The name argument is nulla null reference (Nothing in Visual Basic) or has zero length.
ControlNameAlreadyExistsException

A control with the same name is already in the ControlCollection instance.

Remarks

The AddTreeView method enables you to add TreeView objects to the end of the ControlCollection. To remove a TreeView control that was previously added programmatically, use the Remove method.

Examples

The following code example adds a TreeView control to the top of the worksheet, and then adds a parent node and two child nodes to the control. To use this example, run it from the Sheet1 class in a document-level project.

Private Sub ExcelAddTreeView()

    Dim TreeView1 As Microsoft.Office.Tools.Excel. _
        Controls.TreeView = Me.Controls.AddTreeView( _
        0, 0, 90.75, 72.75, "TreeView1")

    TreeView1.Nodes.Add("Customer Name")
    TreeView1.Nodes(0).Nodes.Add("First Name")
    TreeView1.Nodes(0).Nodes.Add("Last Name")

End Sub 'ExcelAddTreeView

private void ExcelAddTreeView()
{

    Microsoft.Office.Tools.Excel.Controls.TreeView
         treeView1 = this.Controls.AddTreeView(
         0, 0, 90.75, 72.75, "treeView1");

    treeView1.Nodes.Add("Customer Name");
    treeView1.Nodes[0].Nodes.Add("First Name");
    treeView1.Nodes[0].Nodes.Add("Last Name");
}

.NET Framework Security

See Also

Reference

ControlExtensions Class

AddTreeView Overload

Microsoft.Office.Tools.Excel Namespace