How to synchronize the ComboBox item selection with the WinForms GridListControl?
The selected ComboBox value can be synchronized with the WinForms GridListControl by setting the SelectedIndex property of GridListControl based on the ComboBox selection in SelectedIndexChanged event of ComboBox.
C#
//Triggering the event
this.comboBoxAdv1.SelectedIndexChanged += new EventHandler(comboBoxAdv1_SelectedIndexChanged);
//Event Customization
void comboBoxAdv1_SelectedIndexChanged(object sender, EventArgs e)
{
//Set the SelectedIndex property of GridListControl.
this.gridListControl2.SelectedIndex = this.comboBoxAdv1.SelectedIndex;
} VB
'Triggering the event
AddHandler comboBoxAdv1.SelectedIndexChanged, AddressOf comboBoxAdv1_SelectedIndexChanged
'Event Customization
Private Sub comboBoxAdv1_SelectedIndexChanged(ByVal sender As Object, ByVal e As EventArgs)
'Set the SelectedIndex property of GridListControl.
Me.gridListControl2.SelectedIndex = Me.comboBoxAdv1.SelectedIndex
End SubSynchronize the selected ComboBox value
with the GridListControl as shown below

Samples: