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How to select multiple dropdown items in WinForms MultiSelectionComboBox?
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Select the items in ComboBox
You can select multiple items at one shot in MultiSelectionComboBox by using ShowCheckBox and DisplayMode property.
C#
private void Form1_Load(object sender, EventArgs e) { this.MultiSelectionComboBox1.ShowCheckBox = true; this.MultiSelectionComboBox1.DisplayMode = DisplayMode.DelimiterMode; }
VB
Private Sub Form1_Load(sender As Object, e As EventArgs) Me.MultiSelectionComboBox1.ShowCheckBox = True Me.MultiSelectionComboBox1.DisplayMode = DisplayMode.DelimiterMode End Sub
Samples: https://www.syncfusion.com/downloads/support/directtrac/general/MultiSelectionComboBox-248984763.zip
Reference link: https://help.syncfusion.com/windowsforms/classic/multiselectioncombobox/display-mode-configuration