private void dgvData_CellPainting(object sender, DataGridViewCellPaintingEventArgs e)
{
int rowIndex = e.RowIndex;
int colIndex = e.ColumnIndex;
if (rowIndex >= 0)
{
if (11 == colIndex)
{
string Id = this.dgvData.Rows[rowIndex].Cells["Id"].Value as string;
EdGroupAddress addr = MyCache.GetGroupAddress(Id);
if ((null != addr) && (null != addr.Actions))
{
//画单元格的边界线
Point p1 = new Point(e.CellBounds.Left + e.CellBounds.Width, e.CellBounds.Top);
Point p2 = new Point(e.CellBounds.Left + e.CellBounds.Width, e.CellBounds.Top + e.CellBounds.Height);
Point p3 = new Point(e.CellBounds.Left, e.CellBounds.Top + e.CellBounds.Height);
Point[] ps = new Point[] { p1, p2, p3 };
using (Brush gridBrush = new SolidBrush(this.dgvData.GridColor))
{
using (Pen gridLinePen = new Pen(gridBrush, 2))
{
Font font = new Font("宋体", 9, FontStyle.Regular);//自定义字体
string seperator = ";";
SizeF sizeSeperator = e.Graphics.MeasureString(seperator, font);
float startPos = .0f;
//判断当前行是否为选中行，如果为选中行，则要修改图片的背景色和文字的字体颜色
if (this.dgvData.CurrentRow.Index == e.RowIndex)
{
using (Brush backColorBrush = new SolidBrush(Color.FromArgb(051, 153, 255)))
{
//以背景色填充单元格
e.Graphics.FillRectangle(backColorBrush, e.CellBounds);
e.Graphics.DrawLines(gridLinePen, ps);
foreach (DatapointActionNode action in addr.Actions)
{
if (startPos >= e.CellBounds.Width)
{
break;
}
if (startPos > 0)
{
e.Graphics.DrawString(seperator, font, Brushes.White, new RectangleF(e.CellBounds.Left + startPos,
e.CellBounds.Top + (e.CellBounds.Height - sizeSeperator.Height) / 2, e.CellBounds.Width - startPos,
sizeSeperator.Height), StringFormat.GenericDefault);
startPos += sizeSeperator.Width;
}
SizeF sizeText = e.Graphics.MeasureString(action.Name, font);
e.Graphics.DrawString(action.Name, font, Brushes.White, new RectangleF(e.CellBounds.Left + startPos,
e.CellBounds.Top + (e.CellBounds.Height - sizeText.Height) / 2, e.CellBounds.Width - startPos,
sizeText.Height), StringFormat.GenericDefault);
startPos += sizeText.Width;
}
e.Handled = true;
}
}
else
{
using (Brush backColorBrush = new SolidBrush(e.CellStyle.BackColor))
{
e.Graphics.FillRectangle(backColorBrush, e.CellBounds);
e.Graphics.DrawLines(gridLinePen, ps);
foreach (DatapointActionNode action in addr.Actions)
{
if (startPos >= e.CellBounds.Width)
{
break;
}
if (startPos > 0)
{
e.Graphics.DrawString(seperator, font, Brushes.Black, new RectangleF(e.CellBounds.Left + startPos,
e.CellBounds.Top + (e.CellBounds.Height - sizeSeperator.Height) / 2, e.CellBounds.Width - startPos,
sizeSeperator.Height), StringFormat.GenericDefault);
startPos += sizeSeperator.Width;
}
if (startPos >= e.CellBounds.Width)
{
break;
}
SizeF sizeText = e.Graphics.MeasureString(action.Name, e.CellStyle.Font);
e.Graphics.DrawString(action.Name, e.CellStyle.Font, Brushes.Blue, new RectangleF(e.CellBounds.Left + startPos,
e.CellBounds.Top + (e.CellBounds.Height - sizeText.Height) / 2, e.CellBounds.Width - startPos,
sizeText.Height), StringFormat.GenericDefault);
startPos += sizeText.Width;
}
e.Handled = true;
}
}
}
}
}
}
}
}