ComboBoxEdit.GetPopupEditForm() Method

Returns the control’s popup window.

Namespace: DevExpress.XtraEditors

Assembly: DevExpress.XtraEditors.v25.2.dll

NuGet Package: DevExpress.Win.Navigation

Declaration

C#

public ComboBoxPopupListBoxForm GetPopupEditForm()

VB.NET

Public Function GetPopupEditForm As ComboBoxPopupListBoxForm

Returns

Type	Description
DevExpress.XtraEditors.Popup.ComboBoxPopupListBoxForm	A DevExpress.XtraEditors.Popup.ComboBoxPopupListBoxForm object that represents the control’s popup window. null (Nothing in VB) if the popup window has not been opened yet.

Remarks

To open the drop-down window, do one of the following:

• Click the drop-down button.
• Use the ShowPopup() method.

Use the GetPopupEditForm method in the Popup event handler to access the drop-down window and customize its settings, or handle dropdown-specific events.

C#

private void comboBoxEdit1_Popup(object sender, EventArgs e) {
    DevExpress.XtraEditors.ComboBoxEdit edit = sender as DevExpress.XtraEditors.ComboBoxEdit;
    if (edit != null){
        DevExpress.XtraEditors.Popup.ComboBoxPopupListBoxForm popupForm = edit.GetPopupEditForm();
        // ... 
    }
}

VB.NET

Private Sub ComboBoxEdit1_Popup(sender As Object, e As EventArgs) Handles ComboBoxEdit1.Popup
    Dim edit As DevExpress.XtraEditors.ComboBoxEdit = TryCast(sender, DevExpress.XtraEditors.ComboBoxEdit)
    If edit IsNot Nothing Then
        Dim popupForm As DevExpress.XtraEditors.Popup.ComboBoxPopupListBoxForm = edit.GetPopupEditForm()
        ' ...
    End If
End Sub

Related GitHub Examples

The following code snippet (auto-collected from DevExpress Examples) contains a reference to the GetPopupEditForm() 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#

winforms-combobox-hide-specific-items/CS/MyComboBoxEdit/ComboBoxHideItemsHelper.cs#L44

private void RefreshPopup() {
    ComboBoxPopupListBoxForm popupForm = _comboBox.GetPopupEditForm();
    if (popupForm != null) {

VB.NET

winforms-combobox-hide-specific-items/VB/MyComboBoxEdit/ComboBoxHideItemsHelper.vb#L54

Private Sub RefreshPopup()
    Dim popupForm As ComboBoxPopupListBoxForm = _comboBox.GetPopupEditForm()
    If popupForm IsNot Nothing Then