/// <summary>
/// The dataGrid1.IndicatorTitle.CellPaint event handler
/// Draw question mark in question mark area,
/// reduce the area size of standard rendering,
/// than call default paint handler.
/// </summary>
private void dataGrid1_IndicatorTitle_CellPaint(object sender, BaseGridCellPaintEventArgs e)
{
//PaintBackground
Rectangle custBackRect = e.ClientRect;
custBackRect.Width = 10;
if (custBackRect.Contains(e.InCellMousePos))
{
e.Graphics.FillRectangle(new SolidBrush(Color.BurlyWood), custBackRect);
}
else
{
e.Graphics.FillRectangle(new SolidBrush(SystemColors.ButtonFace), custBackRect);
}
EhLibUtils.DrawText(e.Graphics, "?", new Font(dataGrid1.Font.FontFamily, 5), custBackRect,
SystemColors.WindowText, HorizontalAlignment.Center, VerticalAlignment.Center, 0);
//PaintForeground
Rectangle newBackgroundRect = e.ClientRect;
newBackgroundRect.X = newBackgroundRect.X + 10;
newBackgroundRect.Width = newBackgroundRect.Width - 10;
e.ClientRect = newBackgroundRect;
e.PaintBackground(e);
e.PaintForeground(e);
e.Handled = true;
}
//
// Event Handlers
//
private void colCPUUsage_Title_CellPaint(object sender, EhLib.WinForms.DataGridTitleCellPaintEventArgs e)
{
e.Paint(e);
Rectangle drawRect = e.ClientRect;
drawRect = EhLib.WinForms.EhLibUtils.CopyChangeRectangle(drawRect, 2, 2, -4, -2);
HorizontalAlignment horzAlign;
if ((e.State & EhLib.WinForms.BasePaintCellStates.RowHotTrack) != 0)
{
horzAlign = HorizontalAlignment.Left;
}
else
{
horzAlign = HorizontalAlignment.Right;
}
string text = cpuUsageTotalPercent.ToString("0") + " %";
EhLibUtils.DrawText(e.Graphics, text, titlePercentFont, drawRect,
gridProcessList.Title.ForeColor, horzAlign, VerticalAlignment.Top, 0);
e.Handled = true;
}
