public void Paint(MyDGV0427 dgv, PaintEventArgs e, Point location)
{
//区域填充
Rectangle r1 = new Rectangle()
{
X = location.X + 1,
Y = location.Y + 1,
Width = Width - 2,
Height = Height - 2,
};
e.Graphics.FillRectangle(new SolidBrush(dgv.ColumnHeadersDefaultCellStyle.BackColor), r1);
//文字
StringFormat format = new StringFormat();
format.Alignment = StringAlignment.Center;
format.LineAlignment = StringAlignment.Center;
e.Graphics.DrawString(ColumnName,
dgv.ColumnHeadersDefaultCellStyle.Font,
new SolidBrush(dgv.ColumnHeadersDefaultCellStyle.ForeColor),
r1,
format);
//递归处理子节点
if (!IsLeaf())
{
int width = 0;
foreach (var SubNode in SubNodes)
{
SubNode.Paint(dgv, e, new Point(location.X + width, location.Y + Height));
width += SubNode.Width;
}
}
}
public void Paint(MyDGV0427 dgv, DataGridViewCellPaintingEventArgs e, Point location)
{
//区域填充
Rectangle r1 = new Rectangle()
{
X = location.X + 1,
Y = location.Y + 1,
Width = Width - 2,
Height = Height - 2,
};
e.Graphics.FillRectangle(new SolidBrush(dgv.ColumnHeadersDefaultCellStyle.BackColor), r1);
SolidBrush gridBrush = new SolidBrush(dgv.GridColor);
Pen gridLinePen = new Pen(gridBrush);
//描边-底线
e.Graphics.DrawLine(gridLinePen
, r1.Left
, r1.Bottom
, r1.Right
, r1.Bottom);
//描边-右端线
e.Graphics.DrawLine(gridLinePen
, r1.Right
, r1.Top
, r1.Right
, r1.Bottom);
//文字
StringFormat format = new StringFormat();
format.Alignment = StringAlignment.Center;
format.LineAlignment = StringAlignment.Center;
e.Graphics.DrawString(HeaderText,
dgv.ColumnHeadersDefaultCellStyle.Font,
new SolidBrush(dgv.ColumnHeadersDefaultCellStyle.ForeColor),
r1,
format);
//递归处理子节点
if (!IsLeaf())
{
int width = 0;
foreach (var SubNode in SubNodes)
{
SubNode.Paint(dgv, e, new Point(location.X + width, location.Y + Height));
width += SubNode.Width;
}
}
}