DropDownListContentControl Class (2007 System)

Represents a drop-down list on a document.

Namespace:  Microsoft.Office.Tools.Word
Assembly:  Microsoft.Office.Tools.Word.v9.0 (in Microsoft.Office.Tools.Word.v9.0.dll)

Syntax

'Declaration
<DefaultBindingPropertyAttribute("PlaceholderText")> _
<PermissionSetAttribute(SecurityAction.Demand, Name := "FullTrust")> _
Public NotInheritable Class DropDownListContentControl _
    Inherits ContentControlBase _
    Implements ISupportInitializeControl, ISupportInitialize

'Usage
Dim instance As DropDownListContentControl

[DefaultBindingPropertyAttribute("PlaceholderText")]
[PermissionSetAttribute(SecurityAction.Demand, Name = "FullTrust")]
public sealed class DropDownListContentControl : ContentControlBase, 
    ISupportInitializeControl, ISupportInitialize

[DefaultBindingPropertyAttribute(L"PlaceholderText")]
[PermissionSetAttribute(SecurityAction::Demand, Name = L"FullTrust")]
public ref class DropDownListContentControl sealed : public ContentControlBase, 
    ISupportInitializeControl, ISupportInitialize

public final class DropDownListContentControl extends ContentControlBase implements ISupportInitializeControl, ISupportInitialize

Remarks

A DropDownListContentControl displays a list of items that users can select.

To access the list of items in a DropDownListContentControl, use the DropDownListEntries property.

To enable users to choose from a list of items or add their own text to the control, use a ComboBoxContentControl.

Content Controls

The DropDownListContentControl is one of eight types of content controls that you can use to design documents and templates in Microsoft Office Word. Content controls have a user interface (UI) that has controlled input like a form. You can use content controls to prevent users from editing protected sections of the document or template, and you can also bind content controls to a data source. For more information, see Content Controls.

Examples

The following code example adds a new DropDownListContentControl to the beginning of the document. Users can select the name of a day of the week in the control.

This version is for a document-level customization. To use this code, paste it into the ThisDocument class in your project, and call the AddDropDownListControlAtSelection method from the ThisDocument_Startup method.

Dim dropDownListControl1 As Microsoft.Office.Tools.Word.DropDownListContentControl

Private Sub AddDropDownListControlAtSelection()
    Me.Paragraphs(1).Range.InsertParagraphBefore()
    Me.Paragraphs(1).Range.Select()
    dropDownListControl1 = Me.Controls.AddDropDownListContentControl("dropDownListControl1")
    With dropDownListControl1
        .DropDownListEntries.Add("Monday", "Monday", 0)
        .DropDownListEntries.Add("Tuesday", "Tuesday", 1)
        .DropDownListEntries.Add("Wednesday", "Wednesday", 2)
        .PlaceholderText = "Choose a day" 
    End With 
End Sub

private Microsoft.Office.Tools.Word.DropDownListContentControl dropDownListControl1;

private void AddDropDownListControlAtSelection()
{
    this.Paragraphs[1].Range.InsertParagraphBefore();
    this.Paragraphs[1].Range.Select();

    dropDownListControl1 = this.Controls.AddDropDownListContentControl("dropDownListControl1");
    dropDownListControl1.DropDownListEntries.Add("Monday", "Monday", 0);
    dropDownListControl1.DropDownListEntries.Add("Tuesday", "Tuesday", 1);
    dropDownListControl1.DropDownListEntries.Add("Wednesday", "Wednesday", 2);
    dropDownListControl1.PlaceholderText = "Choose a day";
}

This version is for an application-level add-in. To use this code, paste it into the ThisAddIn class in your project, and call the AddDropDownListControlAtSelection method from the ThisAddIn_Startup method.

Dim dropDownListControl1 As Microsoft.Office.Tools.Word.DropDownListContentControl

Private Sub AddDropDownListControlAtSelection()
    If Me.Application.ActiveDocument Is Nothing Then 
        Return 
    End If 

    Dim vstoDoc As Document = Me.Application.ActiveDocument.GetVstoObject()
    vstoDoc.Paragraphs(1).Range.InsertParagraphBefore()
    vstoDoc.Paragraphs(1).Range.Select()
    dropDownListControl1 = vstoDoc.Controls.AddDropDownListContentControl("dropDownListControl1")
    With dropDownListControl1
        .DropDownListEntries.Add("Monday", "Monday", 0)
        .DropDownListEntries.Add("Tuesday", "Tuesday", 1)
        .DropDownListEntries.Add("Wednesday", "Wednesday", 2)
        .PlaceholderText = "Choose a day" 
    End With 
End Sub

private Microsoft.Office.Tools.Word.DropDownListContentControl dropDownListControl1;

private void AddDropDownListControlAtSelection()
{
    if (this.Application.ActiveDocument == null)
        return;

    Document vstoDoc = this.Application.ActiveDocument.GetVstoObject();
    vstoDoc.Paragraphs[1].Range.InsertParagraphBefore();
    vstoDoc.Paragraphs[1].Range.Select();

    dropDownListControl1 = vstoDoc.Controls.AddDropDownListContentControl("dropDownListControl1");
    dropDownListControl1.DropDownListEntries.Add("Monday", "Monday", 0);
    dropDownListControl1.DropDownListEntries.Add("Tuesday", "Tuesday", 1);
    dropDownListControl1.DropDownListEntries.Add("Wednesday", "Wednesday", 2);
    dropDownListControl1.PlaceholderText = "Choose a day";
}

Inheritance Hierarchy

System.Object
  Microsoft.VisualStudio.Tools.Office.RemoteComponent
    Microsoft.VisualStudio.Tools.Office.RemoteBindableComponent
      Microsoft.Office.Tools.Word.ContentControlBase
        Microsoft.Office.Tools.Word.DropDownListContentControl

Thread Safety

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

See Also

Reference

DropDownListContentControl Members

Microsoft.Office.Tools.Word Namespace

Other Resources

Content Controls

How to: Add Content Controls to Word Documents

How to: Protect Parts of Documents by Using Content Controls

Walkthrough: Creating a Template By Using Content Controls

Walkthrough: Binding Content Controls to Custom XML Parts

Change History

Date	History	Reason
July 2008	Added a version of the code example for an application-level add-in.	SP1 feature change.