private void dataGrid1_IndicatorColumn_CellPaint(object sender, DataGridIndicatorCellPaintEventArgs e)
{
e.PaintBackground(e);
if (e.Row == null)
{
return;
}
DataGridColumn col = dataGrid1.Columns.FindColumnByPropertyName("Continent");
string value = col.GetRowDisplayText(e.Row);
if (value == "North America")
{
Bitmap im = Properties.Resources.Globe_North_America_16x16;
//im.MakeTransparent();
Rectangle imageAreaRect = e.ClientRect;
imageAreaRect.X = imageAreaRect.Right - 16;
imageAreaRect.Width = 16;
Rectangle imageArea = new Rectangle(Point.Empty, im.Size);
imageArea = EhLibUtils.RectCenter(imageArea, imageAreaRect);
e.Graphics.DrawImage(im, imageArea);
}
Rectangle newPaintRect = e.ClientRect;
newPaintRect.Width = newPaintRect.Width - 16;
e.ClientRect = newPaintRect;
e.PaintForeground(e);
e.Handled = true;
}
private void dataGrid1_IndicatorColumn_CellMouseDown(object sender, DataGridIndicatorCellMouseEventArgs e)
{
Rectangle imageAreaRect = e.CellRect;
imageAreaRect.X = imageAreaRect.Right - 16;
imageAreaRect.Width = 16;
if (imageAreaRect.Contains(e.GridMouseArgs.Location))
{
if (e.Row == null)
{
return;
}
DataGridColumn col = dataGrid1.Columns.FindColumnByPropertyName("Continent");
string value = col.GetRowDisplayText(e.Row);
DataRowView rowView = (DataRowView)e.Row.SourceItem;
string showValue = rowView[0].ToString() + ", " +
rowView[1].ToString() + ", " +
rowView[2].ToString();
if (value == "North America")
{
Point toolTipPoint = e.CellRect.Location;
toolTipPoint.Offset(new Point(e.CellRect.Size));
toolTip1.Show(showValue, dataGrid1, toolTipPoint, 2000);
}
e.Handled = true;
}
}