protected override void CheckMouseCursor(LookUpPopupHitTest ht)
{
if (prevPoint.X != ht.Point.X || prevPoint.Y != ht.Point.Y)
{
prevPoint = ht.Point;
LookUpEditHints le = this.OwnerEdit as LookUpEditHints;
LookUpColumnInfo column;
int columnPos = -1;
for (int i = 0; i < this.OwnerEdit.Properties.Columns.Count; i++)
{
column = this.OwnerEdit.Properties.Columns[i];
if (column.FieldName == le.Properties.DescriptionField)
{
columnPos = i;
break;
}
}
if (columnPos != -1)
{
if (ht.HitType == LookUpPopupHitType.Row)
{
if (ht.Index != prevRowIndex)
{
tt.HideHint();
prevRowIndex = ht.Index;
}
tt.ShowHint(dt.Rows[ht.Index][columnPos].ToString());
}
}
}
base.CheckMouseCursor(ht);
}
public PopupLookUpEditHintsForm(LookUpEditHints ownerEdit) : base(ownerEdit)
{
if (this.OwnerEdit.ToolTipController == null)
{
tt = ToolTipController.DefaultController;
}
tt.BeforeShow += new ToolTipControllerBeforeShowEventHandler(tt_BeforeShow);
dt = this.OwnerEdit.Properties.DataSource as DataTable;
}
void tt_BeforeShow(object sender, ToolTipControllerShowEventArgs e)
{
LookUpEditHints le = OwnerEdit as LookUpEditHints;
le.Properties.OnBeforeShowingTooltip(e);
}