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How do I get a MultColumnComboBox to auto drop down when a user starts typing in the control?

Platform: WinForms |
Control: MultiColumnComboBox |
Published Date: April 30, 2011 |
Last Revised Date: July 10, 2014


You can handle the KeyPress event and set the DroppedDown property to true as shown below.


private void multiColumnComboBox1_KeyPress(object sender, System.Windows.Forms.KeyPressEventArgs e)


if(e.Handled ==false)


if(this.multiColumnComboBox1.DroppedDown == false)


this.multiColumnComboBox1.DroppedDown =true;





this.multiColumnComboBox1.DroppedDown =false;




Private Sub multiColumnComboBox1_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles multiColumnComboBox1.KeyPress

If e.Handled =False Then

If Me.multiColumnComboBox1.DroppedDown = False Then

Me.multiColumnComboBox1.DroppedDown =True

End If


Me.multiColumnComboBox1.DroppedDown =False

End If

End Sub

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