Class ComboBoxAutoComplete

ComboBoxAutoComplete derives from System.Windows.Forms.ComboBox and embeds an AutoComplete control to provide auto completion services for the ComboBox.

Inheritance
System.Object
ComboBoxEx
ThemedComboBox
ComboBoxAutoComplete
Inherited Members
Namespace: Syncfusion.Windows.Forms.Tools
Assembly: Syncfusion.Tools.Windows.dll
Syntax
public class ComboBoxAutoComplete : ThemedComboBox, ISupportOffice2007Theme, IVisualStyle
Examples
using Syncfusion.Windows.Forms.Tools;
using System.Windows.Forms;
namespace WFApplication1
{
    public partial class Form1 : Form
    {
        ComboBoxAutoComplete comboBoxAutoComplete1 = new ComboBoxAutoComplete();
        public Form1()
        {
           InitializeComponent();
           this.comboBoxAutoComplete1.AutoCompleteMode = AutoCompleteMode.SuggestAppend;
           this.comboBoxAutoComplete1.AutoCompleteCustomSource.AddRange(new string[] { "Custom", "Customizing", "Customizable" });
           this.comboBoxAutoComplete1.AutoCompleteMode = AutoCompleteMode.SuggestAppend;
           this.comboBoxAutoComplete1.AutoCompleteSource = AutoCompleteSource.CustomSource;
           this.Controls.Add(comboBoxAutoComplete1);
         }
     }
}

Constructors

ComboBoxAutoComplete()

Initializes a new instance of the ComboBoxAutoComplete class.

Declaration
public ComboBoxAutoComplete()

Properties

AllowNewText

Gets or sets whether user is allowed to enter new text.

Declaration
public bool AllowNewText { get; set; }
Property Value
Type
System.Boolean

AutoCompleteControl

Returns the AutoComplete.

Declaration
public AutoComplete AutoCompleteControl { get; }
Property Value
Type
AutoComplete

DropDownHeight

This property is obsolete.

Declaration
public int DropDownHeight { get; }
Property Value
Type
System.Int32

EnableTouchMode

Gets or sets whether touch mode is to be enabled in ComboBoxAutoComplete.

Declaration
public bool EnableTouchMode { get; set; }
Property Value
Type
System.Boolean

Font

Gets or sets the System.Drawing.Font value for the control.

Declaration
public override Font Font { get; set; }
Property Value
Type
System.Drawing.Font

ParentForm

Gets or sets the ParentForm of the ComboBox.

Declaration
public Control ParentForm { get; set; }
Property Value
Type
System.Windows.Forms.Control
Remarks

This property needs to be set to be the form on which this ComboBox control is placed. This is used by the AutoCompleteControl control.

ReadOnly

Gets or sets the value indicating whether changes can be done.

Declaration
public bool ReadOnly { get; set; }
Property Value
Type
System.Boolean

SelectedIndex

Gets or sets the index of the currently SelectedItem.

Declaration
public int SelectedIndex { get; set; }
Property Value
Type
System.Int32

SelectedItem

Gets or sets the currently selected item.

Declaration
public object SelectedItem { get; set; }
Property Value
Type
System.Object

SelectedValue

Gets or sets the currently SelectedValue in AutoComplete Control when Syncfusion.Windows.Forms.Tools.ComboBoxAutoComplete.updateComboSelectionProperties is set .

Declaration
public object SelectedValue { get; set; }
Property Value
Type
System.Object

Text

Gets or Sets Text according to the match. (overridden property)

Declaration
public override string Text { get; set; }
Property Value
Type
System.String

UpdateComboSelectionProperties

Gets or sets value for updating AutoComplete with SelectedValue.

Declaration
public bool UpdateComboSelectionProperties { get; set; }
Property Value
Type
System.Boolean

Methods

ApplyScaleToControl(Single)

Apply Scale for controls

Declaration
public void ApplyScaleToControl(float scaleFactor)
Parameters
Type Name Description
System.Single scaleFactor

CreateAccessibilityInstance()

Declaration
protected override AccessibleObject CreateAccessibilityInstance()
Returns
Type
System.Windows.Forms.AccessibleObject

Dispose(Boolean)

Releases the unmanaged resources used by the control and optionally releases the managed resources.

Declaration
protected override void Dispose(bool disposing)
Parameters
Type Name Description
System.Boolean disposing

true to release both managed and unmanaged resources; false to release only unmanaged resources.
Overrides

Finalize()

Declaration
protected override void Finalize()

OnDropDown(EventArgs)

Override the OnDropDown method to show the AutoComplete drop down.

Declaration
protected override void OnDropDown(EventArgs e)
Parameters
Type Name Description
System.EventArgs e

The event data.
Overrides

OnFontChanged(EventArgs)

OnFontChanged event

Declaration
protected override void OnFontChanged(EventArgs e)
Parameters
Type Name Description
System.EventArgs e
Overrides

OnHandleCreated(EventArgs)

Declaration
protected override void OnHandleCreated(EventArgs e)
Parameters
Type Name Description
System.EventArgs e
Overrides

OnLeave(EventArgs)

Raises the /> event Overides

Declaration
protected override void OnLeave(EventArgs e)
Parameters
Type Name Description
System.EventArgs e

An System.EventArgs that contains the event data.
Overrides

OnMouseUp(MouseEventArgs)

Declaration
protected override void OnMouseUp(MouseEventArgs e)
Parameters
Type Name Description
System.Windows.Forms.MouseEventArgs e

OnParentChanged(EventArgs)

Raises the System.Windows.Forms.Control.ParentChanged event.

Declaration
protected override void OnParentChanged(EventArgs e)
Parameters
Type Name Description
System.EventArgs e

An System.EventArgs that contains the event data.

OnTextChanged(EventArgs)

Raises the System.Windows.Forms.Control.TextChanged event.

Declaration
protected override void OnTextChanged(EventArgs e)
Parameters
Type Name Description
System.EventArgs e

An System.EventArgs that contains the event data.

PreProcessMessage(ref Message)

Preprocesses keyboard or input messages within the message loop before they are dispatched.

Declaration
public override bool PreProcessMessage(ref Message msg)
Parameters
Type Name Description
System.Windows.Forms.Message msg

A System.Windows.Forms.Message, passed by reference, that represents the message to process. The possible values are WM_KEYDOWN, WM_SYSKEYDOWN, WM_CHAR, and WM_SYSCHAR.
Returns
Type Description
System.Boolean

true if the message was processed by the control; otherwise, false.

ProcessCmdKey(ref Message, Keys)

Declaration
protected override bool ProcessCmdKey(ref Message m, Keys key)
Parameters
Type Name Description
System.Windows.Forms.Message m
System.Windows.Forms.Keys key
Returns
Type
System.Boolean

SetSelectedItem(String)

To set SelectedItem in ComboBoxAutoComplete, when loading AutoComplete control as its DropDown.

Declaration
public void SetSelectedItem(string value)
Parameters
Type Name Description
System.String value

Represents the value of SelectedItem.

WndProc(ref Message)

Override WndProc.

Declaration
protected override void WndProc(ref Message m)
Parameters
Type Name Description
System.Windows.Forms.Message m
Overrides

Implements