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How to set tooltip for cells in WinForms GridListControl?
The tooltip can be set for the cells using CellTipText property and this property can be set by handling the QueryCellInfo event in WinForms GridListControl.
C#
//Event subscription.
this.gridListControl1.Grid.QueryCellInfo += Grid_QueryCellInfo;
//Handling the QueryCellInfo event.
private void Grid_QueryCellInfo(object sender, GridQueryCellInfoEventArgs e)
{
if (e.RowIndex != 0)
e.Style.CellTipText = e.Style.CellValue.ToString();
}VB
'Event subscriptions
AddHandler Me.gridListControl1.Grid.QueryCellInfo, AddressOf Grid_QueryCellInfo
'Handling the QueryCellInfo event
Private Sub Grid_QueryCellInfo(ByVal sender As Object, ByVal e As GridQueryCellInfoEventArgs)
If e.RowIndex <> 0 Then
e.Style.CellTipText = e.Style.CellValue.ToString()
End If
End SubThe image illustrates the tooltip displayed in the GridListControl.

Samples:
C#: Tooltip
VB: Tooltip