//控件的行重绘事件
private void MasterControl_RowPostPaint(object obj_sender, DataGridViewRowPostPaintEventArgs e)
{
try
{
var sender = (DataGridView)obj_sender;
//set childview control
var rect = new Rectangle((int)(e.RowBounds.X + ((double)(rowDefaultHeight - 16) / 2)), (int)(e.RowBounds.Y + ((double)(rowDefaultHeight - 16) / 2)), 16, 16);
if (collapseRow)
{
if (this.rowCurrent.Contains(e.RowIndex))
{
#region 更改点开后背景色 刘金龙
var rect1 = new Rectangle(e.RowBounds.X, e.RowBounds.Y + rowDefaultHeight, e.RowBounds.Width, e.RowBounds.Height - rowDefaultHeight);
using (Brush b = new SolidBrush(Color.FromArgb(164, 169, 143)))
{
e.Graphics.FillRectangle(b, rect1);
}
using (Pen p = new Pen(Color.GhostWhite))
{
var iHalfWidth = (e.RowBounds.Left + sender.RowHeadersWidth) / 2;
var oPointHLineStart = new Point(rect1.X + iHalfWidth, rect1.Y);
var oPointHLineEnd = new Point(rect1.X + iHalfWidth, rect1.Y + rect1.Height / 2);
e.Graphics.DrawLine(p, oPointHLineStart, oPointHLineEnd);
//折叠线
e.Graphics.DrawLine(p, oPointHLineEnd, new Point(oPointHLineEnd.X + iHalfWidth, oPointHLineEnd.Y));
}
#endregion
sender.Rows[e.RowIndex].DividerHeight = sender.Rows[e.RowIndex].Height - rowDefaultHeight;
e.Graphics.DrawImage(RowHeaderIconList.Images[(int)rowHeaderIcons.collapse], rect);
childView.Location = new Point(e.RowBounds.Left + sender.RowHeadersWidth, e.RowBounds.Top + rowDefaultHeight + 5);
childView.Width = e.RowBounds.Right - sender.RowHeadersWidth;
childView.Height = System.Convert.ToInt32(sender.Rows[e.RowIndex].DividerHeight - 10);
childView.Visible = true;
}
else
{
childView.Visible = false;
e.Graphics.DrawImage(RowHeaderIconList.Images[(int)rowHeaderIcons.expand], rect);
}
collapseRow = false;
}
else
{
if (this.rowCurrent.Contains(e.RowIndex))
{
#region 更改点开后背景色 刘金龙
var rect1 = new Rectangle(e.RowBounds.X, e.RowBounds.Y + rowDefaultHeight, e.RowBounds.Width, e.RowBounds.Height - rowDefaultHeight);
using (Brush b = new SolidBrush(Color.FromArgb(164, 169, 143)))
{
e.Graphics.FillRectangle(b, rect1);
}
using (Pen p = new Pen(Color.GhostWhite))
{
var iHalfWidth = (e.RowBounds.Left + sender.RowHeadersWidth) / 2;
var oPointHLineStart = new Point(rect1.X + iHalfWidth, rect1.Y);
var oPointHLineEnd = new Point(rect1.X + iHalfWidth, rect1.Y + rect1.Height / 2);
e.Graphics.DrawLine(p, oPointHLineStart, oPointHLineEnd);
//折叠线
e.Graphics.DrawLine(p, oPointHLineEnd, new Point(oPointHLineEnd.X + iHalfWidth, oPointHLineEnd.Y));
}
#endregion
sender.Rows[e.RowIndex].DividerHeight = sender.Rows[e.RowIndex].Height - rowDefaultHeight;
e.Graphics.DrawImage(RowHeaderIconList.Images[(int)rowHeaderIcons.collapse], rect);
childView.Location = new Point(e.RowBounds.Left + sender.RowHeadersWidth, e.RowBounds.Top + rowDefaultHeight + 5);
childView.Width = e.RowBounds.Right - sender.RowHeadersWidth;
childView.Height = System.Convert.ToInt32(sender.Rows[e.RowIndex].DividerHeight - 10);
childView.Visible = true;
}
else
{
childView.Visible = false;
e.Graphics.DrawImage(RowHeaderIconList.Images[(int)rowHeaderIcons.expand], rect);
}
}
CellStyle.rowPostPaint_HeaderCount(sender, e);
}
catch
{
}
}
