ComboBoxItemCollection.Contains(Object) Method

Gets a value indicating whether the specified object is an element of the current collection.

Namespace: DevExpress.XtraEditors.Controls

Assembly: DevExpress.XtraEditors.v19.2.dll

Declaration

C#

public virtual bool Contains(
    object item
)

VB.NET

Public Overridable Function Contains(
    item As Object
) As Boolean

Parameters

Name	Type	Description
item	Object	An object to locate in the collection.

Returns

Type	Description
Boolean	true if the specified object belongs to the collection; otherwise, false.

Remarks

The Contains method allows you to determine whether a specific object belongs to the item collection. This method is used internally when assigning arbitrary data to the ComboBoxEdit.SelectedItem property. You will rarely need to call Contains within your code.

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the Contains(Object) method.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

C#

how-to-create-a-comboboxedit-control-with-mru-capabilities-e2551/CS/WindowsFormsApplication18/Form1.cs#L17

{
    if ( repositoryItemMRUComboBox1.Items.Contains(barEditItem1.EditValue) )
        repositoryItemMRUComboBox1.StoreRecentItem(barEditItem1.EditValue);

winforms-scheduler-sync-with-google-calendars/CS/GCSync/Form1.cs#L105

foreach (CalendarListEntry item in this.calendarList.Items)
    if (!ricbCalendarList.Items.Contains(item.Summary)) {
        this.ricbCalendarList.Items.Add(item.Summary);

how-to-show-the-sort-dialog-in-a-grid-in-a-similar-manner-as-in-excel-e2941/CS/WindowsApplication3/SortForm.cs#L84

object val = edit.EditValue;
if(repositoryItemComboBox1.Items.Contains(val))
    repositoryItemComboBox1.Items.Remove(val);

VB.NET

how-to-create-a-comboboxedit-control-with-mru-capabilities-e2551/VB/WindowsFormsApplication18/Form1.vb#L15

Private Sub barEditItem1_EditValueChanged(ByVal sender As Object, ByVal e As EventArgs) Handles barEditItem1.EditValueChanged
    If repositoryItemMRUComboBox1.Items.Contains(barEditItem1.EditValue) Then
        repositoryItemMRUComboBox1.StoreRecentItem(barEditItem1.EditValue)

winforms-scheduler-sync-with-google-calendars/VB/GCSync/Form1.vb#L98

For Each item As CalendarListEntry In Me.calendarList.Items
    If Not ricbCalendarList.Items.Contains(item.Summary) Then
        Me.ricbCalendarList.Items.Add(item.Summary)

how-to-show-the-sort-dialog-in-a-grid-in-a-similar-manner-as-in-excel-e2941/VB/WindowsApplication3/SortForm.vb#L80

Dim val As Object = edit.EditValue
If repositoryItemComboBox1.Items.Contains(val) Then
    repositoryItemComboBox1.Items.Remove(val)