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Syncfusion Feedback

How to select multiple dropdown items in WinForms MultiSelectionComboBox?

Platform: WinForms |
Control: MultiSelectionComboBox

Select the items in ComboBox

You can select multiple items at one shot in MultiSelectionComboBox by using ShowCheckBox and DisplayMode property.


private void Form1_Load(object sender, EventArgs e)
    this.MultiSelectionComboBox1.ShowCheckBox = true;
    this.MultiSelectionComboBox1.DisplayMode = DisplayMode.DelimiterMode;


Private Sub Form1_Load(sender As Object, e As EventArgs)
    Me.MultiSelectionComboBox1.ShowCheckBox = True
    Me.MultiSelectionComboBox1.DisplayMode = DisplayMode.DelimiterMode
End Sub

Samples: http://www.syncfusion.com/downloads/support/directtrac/general/MultiSelectionComboBox-248984763.zip

Reference link: https://help.syncfusion.com/windowsforms/classic/multiselectioncombobox/display-mode-configuration

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Sep 18, 2022

Unfortunately, when using delimiter mode, and there are values selected in the control, then when you open the combobox to edit values you find that there are no items unless you clear the inner textbox

BagavathiPerumal Apranandham [Syncfusion]
Sep 21, 2022

Hi Ahmed,

We have confirmed the reported scenario is a defect and logged a report for the reported scenario “DropDown of the MultiSelectionComboBox is not updated when clearing the item at runtime”. We will include the fix in our upcoming Weekly NuGet release which is scheduled on 04th October 2022.

You can track the status of this defect using the following feedback link:Feedback

If you have any more specification replication procedures or a scenario to be tested, you can add it as a comment in the portal.

Please let us know if you need any further assistance.

Regards, Bagavathi Perumal A

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