CustomTaskPaneCollection.Add Method (UserControl, String, Object)

Creates a new CustomTaskPane and adds it to the current CustomTaskPaneCollection. The custom task pane is based on the specified UserControl, has the specified title, and is associated with the specified application window.

Namespace:  Microsoft.Office.Tools
Assembly:  Microsoft.Office.Tools.Common (in Microsoft.Office.Tools.Common.dll)

Syntax

'Declaration
Function Add ( _
    control As UserControl, _
    title As String, _
    window As Object _
) As CustomTaskPane

CustomTaskPane Add(
    UserControl control,
    string title,
    Object window
)

Parameters

• control
  Type: System.Windows.Forms.UserControl

  A UserControl that provides the user interface for the new custom task pane.

• title
  Type: System.String

  The text that appears in the title bar of the new custom task pane.

• window
  Type: System.Object

  An object that represents the application window to associate the new custom task pane with.

Return Value

Type: Microsoft.Office.Tools.CustomTaskPane
A CustomTaskPane that represents the new custom task pane.

Exceptions

Exception	Condition
ArgumentNullException	control or title is nulla null reference (Nothing in Visual Basic).
ObjectDisposedException	The Dispose method has already been called on the CustomTaskPaneCollection.

Remarks

Use this method to create a new CustomTaskPane that is associated with a specific application window. This method is useful if you want to create custom task panes that are visible with multiple Inspectors or Explorers in Outlook, or with multiple documents in Word or InfoPath.

The type of the window parameter depends on the application. The following table lists the valid types of the window parameter.

Application	Parameter type
Word	Microsoft.Office.Interop.Word.Window
Excel	Microsoft.Office.Interop.Excel.Window
PowerPoint	Microsoft.Office.Interop.PowerPoint.DocumentWindow
InfoPath	Microsoft.Office.Interop.InfoPath.WindowObject
Outlook	Microsoft.Office.Interop.Outlook.Explorer -or- Microsoft.Office.Interop.Outlook.Inspector

Although a CustomTaskPaneCollection is a collection of CustomTaskPane objects, the Add method accepts UserControl objects instead of CustomTaskPane objects. For more information, see Custom Task Panes.

.NET Framework Security

• Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see Using Libraries from Partially Trusted Code.

See Also

Reference

CustomTaskPaneCollection Interface

Add Overload

Microsoft.Office.Tools Namespace

Other Resources

Custom Task Panes