Creating Interactive Documents: Easy Insertion of Combo Box Content Controls

  1. Add SautinSoft.Document from Nuget.
  2. Create a new document.
  3. Add a combo box content control.
  4. Save the document in DOCX format.

     Contains a drop-down list of list entries that users can select. Unlike a drop-down list, a combo box allows users to enter custom input data.

insert a combo box content control

Complete code

using System;
using System.Text;
using SautinSoft.Document;
using SautinSoft.Document.CustomMarkups;
using SautinSoft.Document.Drawing;
using System.IO;

namespace Example
{
    class Program
    {
        static void Main(string[] args)
        {
            // Get your free trial key here:   
            // https://sautinsoft.com/start-for-free/

            InsertCombobox();
        }
        /// <summary>
        /// Inserting a Combo Box content control.
        /// </summary>
        /// <remarks>
        /// Details: https://www.sautinsoft.com/products/document/help/net/developer-guide/content-controls-insert-combobox-net-csharp-vb.php
        /// </remarks>

        static void InsertCombobox()
        {
            // Let's create a simple document.
            DocumentCore dc = new DocumentCore();

            // Create a Combo Box content control.
            InlineContentControl combobox = new InlineContentControl(dc, ContentControlType.ComboBox);
            dc.Sections.Add(new Section(dc, new Paragraph(dc, new Run(dc, "Combo Box "), combobox)));

            // Set common the content control properties.
            combobox.Properties.Title = "Combo Box";
            combobox.Properties.LockDeleting = true;
            combobox.Properties.CharacterFormat.FontColor = Color.Blue;

            // Add combox's list items.
            combobox.Properties.ListItems.Add(new ContentControlListItem("One", "1"));
            combobox.Properties.ListItems.Add(new ContentControlListItem("Two", "2"));
            combobox.Properties.ListItems.Add(new ContentControlListItem("Three", "3"));
            combobox.Properties.ListItems.Add(new ContentControlListItem("Four", "4"));

            // Set a default selected item.
            combobox.Properties.SelectedListItem = combobox.Properties.ListItems[2]; 

            // Save our document into DOCX format.
            string resultPath = @"result.docx";
            dc.Save(resultPath, new DocxSaveOptions());
			
            // Open the result for demonstration purposes.
            System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo(resultPath) { UseShellExecute = true });
        }
    }
}

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Imports System
Imports System.Text
Imports SautinSoft.Document
Imports SautinSoft.Document.CustomMarkups
Imports SautinSoft.Document.Drawing
Imports System.IO

Namespace Example
	Friend Class Program
		Shared Sub Main(ByVal args() As String)
			InsertCombobox()
		End Sub
                ''' Get your free trial key here:   
                ''' https://sautinsoft.com/start-for-free/
		''' <summary>
		''' Inserting a Combo Box content control.
		''' </summary>
		''' <remarks>
		''' Details: https://www.sautinsoft.com/products/document/help/net/developer-guide/content-controls-insert-combobox-net-csharp-vb.php
		''' </remarks>

		Private Shared Sub InsertCombobox()
			' Let's create a simple document.
			Dim dc As New DocumentCore()

			' Create a Combo Box content control.
			Dim combobox As New InlineContentControl(dc, ContentControlType.ComboBox)
			dc.Sections.Add(New Section(dc, New Paragraph(dc, New Run(dc, "Combo Box "), combobox)))

			' Set common the content control properties.
			combobox.Properties.Title = "Combo Box"
			combobox.Properties.LockDeleting = True
			combobox.Properties.CharacterFormat.FontColor = Color.Blue

			' Add combox's list items.
			combobox.Properties.ListItems.Add(New ContentControlListItem("One", "1"))
			combobox.Properties.ListItems.Add(New ContentControlListItem("Two", "2"))
			combobox.Properties.ListItems.Add(New ContentControlListItem("Three", "3"))
			combobox.Properties.ListItems.Add(New ContentControlListItem("Four", "4"))

			' Set a default selected item.
			combobox.Properties.SelectedListItem = combobox.Properties.ListItems(2)

			' Save our document into DOCX format.
			Dim resultPath As String = "result.docx"
			dc.Save(resultPath, New DocxSaveOptions())

			' Open the result for demonstration purposes.
			System.Diagnostics.Process.Start(New System.Diagnostics.ProcessStartInfo(resultPath) With {.UseShellExecute = True})
		End Sub
	End Class
End Namespace

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