protected override void OnPaint(PaintEventArgs pevent)
{
base.OnPaint(pevent);
Color backColor, borderColor, foreColor;
Graphics g = pevent.Graphics;
g.SmoothingMode = SmoothingMode.AntiAlias;
GraphicsPath path = new GraphicsPath();
if (Radius != 0)
{
path.AddArc(0, 0, Radius * 2, Radius * 2, 180, 90);
path.AddArc(Width - Radius * 2 - 1, 0, Radius * 2, Radius * 2, 270, 90);
path.AddArc(Width - Radius * 2 - 1, Height - Radius * 2 - 1, Radius * 2, Radius * 2, 0, 90);
path.AddArc(0, Height - Radius * 2 - 1, Radius * 2, Radius * 2, 90, 90);
}
else
{
path.AddLines(new Point[] { new Point(1, 0), new Point(Width - 1, 0), new Point(Width - 1, Height - 1), new Point(1, Height - 1) });
}
path.CloseFigure();
if (isHovered && !isPressed && Enabled)
{
backColor = FlatAppearance.MouseOverBackColor == Color.Empty ? defaultOverColor : FlatAppearance.MouseOverBackColor;
borderColor = FlatAppearance.BorderColor == Color.Empty ? defaultBorderColor : FlatAppearance.BorderColor;
foreColor = ForeColor;
}
else if (isHovered && isPressed && Enabled)
{
backColor = FlatAppearance.MouseDownBackColor == Color.Empty ? defaultDownColor : FlatAppearance.MouseDownBackColor;
borderColor = FlatAppearance.BorderColor == Color.Empty ? defaultBorderColor : FlatAppearance.BorderColor;
foreColor = ForeColor;
}
else if (!Enabled)
{
backColor = BackColor == Color.Transparent ? Parent.BackColor : BackColor;
borderColor = FlatAppearance.BorderColor == Color.Empty ? defaultBorderColor : FlatAppearance.BorderColor;
foreColor = SystemColors.GrayText;
}
else
{
backColor = BackColor == Color.Transparent ? Parent.BackColor : BackColor;
borderColor = FlatAppearance.BorderColor == Color.Empty ? defaultBorderColor : FlatAppearance.BorderColor;
foreColor = ForeColor;
}
using (SolidBrush brush = new SolidBrush(backColor))
{
g.FillPath(brush, path);
}
if (FlatAppearance.BorderSize != 0 || isHovered)
{
using (Pen pen = new Pen(borderColor, FlatAppearance.BorderSize))
{
g.DrawPath(pen, path);
}
}
TextRenderer.DrawText(g, Text, Font, ClientRectangle, foreColor, backColor, AlignmentTools.ContentAlignment2TextFormatFlags(TextAlign));
//暂时无用
if (false && isFocused)
{
ControlPaint.DrawFocusRectangle(g, ClientRectangle);
}
}
/// <summary>
/// Create summary boxes for each Column of the DataGridView 为数据表各列创建统计文本
/// </summary>
private void reCreateSumBoxes()
{
ReadOnlyTextBox sumBox;
foreach (Control control in sumBoxHash.Values)
{
this.Controls.Remove(control);
}
sumBoxHash.Clear();
int iCnt = 0;
List <DataGridViewColumn> sortedColumns = SortedColumns;
foreach (DataGridViewColumn dgvColumn in sortedColumns)
{
sumBox = new ReadOnlyTextBox();
sumBoxHash.Add(dgvColumn, sumBox);
sumBox.Top = 0;
sumBox.Height = dgv.RowTemplate.Height;
sumBox.BorderColor = dgv.GridColor;
sumBox.ForeColor = Color.White;
if (summaryRowBackColor == null || summaryRowBackColor == Color.Transparent)
{
sumBox.BackColor = dgv.DefaultCellStyle.BackColor;
}
else
{
sumBox.BackColor = summaryRowBackColor;
}
sumBox.BringToFront();
if (dgv.ColumnCount - iCnt == 1)
{
sumBox.IsLastColumn = true;
}
if (dgv.SummaryColumns != null && dgv.SummaryColumns.Length > 0)
{
for (int iCntX = 0; iCntX < dgv.SummaryColumns.Length; iCntX++)
{
if (dgv.SummaryColumns[iCntX] == dgvColumn.DataPropertyName ||
dgv.SummaryColumns[iCntX] == dgvColumn.Name)
{
dgvColumn.DefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleRight;
sumBox.TextAlign = AlignmentTools.TranslateGridColumnAligment(dgvColumn.DefaultCellStyle.Alignment);
sumBox.IsSummary = true;
sumBox.FormatString = dgvColumn.CellTemplate.Style.Format;
if (dgvColumn.ValueType == typeof(System.Int32) || dgvColumn.ValueType == typeof(System.Int16) ||
dgvColumn.ValueType == typeof(System.Int64) || dgvColumn.ValueType == typeof(System.Single) ||
dgvColumn.ValueType == typeof(System.Double) || dgvColumn.ValueType == typeof(System.Single) ||
dgvColumn.ValueType == typeof(System.Decimal))
{
sumBox.Tag = System.Activator.CreateInstance(dgvColumn.ValueType);
}
}
}
}
sumBox.BringToFront();
this.Controls.Add(sumBox);
iCnt++;
}
if (dgv.DisplaySumRowHeader)
{
sumRowHeaderLabel.Visible = true;
sumRowHeaderLabel.Text = dgv.SumRowHeaderText;
sumRowHeaderLabel.ForeColor = dgv.RowHeadersDefaultCellStyle.ForeColor;
sumRowHeaderLabel.Font = new Font(dgv.DefaultCellStyle.Font, dgv.SumRowHeaderTextBold ? FontStyle.Bold : FontStyle.Regular);
sumRowHeaderLabel.Height = dgv.RowTemplate.Height;
sumRowHeaderLabel.Width = dgv.RowHeadersWidth;
}
calcSummaries();
resizeSumBoxes();
}
protected override void OnPaint(PaintEventArgs e)
{
e.Graphics.TextRenderingHint = TextRenderingHint.AntiAlias;
e.Graphics.FillRectangle(new SolidBrush(this.BackColor), e.ClipRectangle);
for (int i = 0; i < this.TabCount; i++)
{
bool flag1 = (Alignment == TabAlignment.Top || Alignment == TabAlignment.Bottom) ? true : false;
bool flag2 = this.SelectedIndex == i ? true : false;
Rectangle rectangle = this.GetTabRect(i);
rectangle.Offset(-2, -2);
TextFormatFlags format = AlignmentTools.TabAlignment2Flag(this.Alignment);
SizeF textSize = TextRenderer.MeasureText(this.TabPages[i].Text, this.Font, rectangle.Size, format);
if (this.ImageList != null && (this.TabPages[i].ImageIndex > -1 || !string.IsNullOrEmpty(this.TabPages[i].ImageKey)))
{
if (this.TabPages[i].ImageIndex > -1)
{
icon = this.ImageList.Images[this.TabPages[i].ImageIndex];
}
else
{
if (!string.IsNullOrEmpty(this.TabPages[i].ImageKey))
{
icon = this.ImageList.Images[this.TabPages[i].ImageKey];
}
}
if (!flag2)
{
e.Graphics.DrawImage(icon,
new Rectangle(this.GetTabRect(i).X + (this.GetTabRect(i).Width - icon.Width) / 2, this.GetTabRect(i).Y + 4, icon.Width, icon.Height),
0, 0, icon.Width, icon.Height, GraphicsUnit.Pixel, ia);
}
else
{
e.Graphics.DrawImage(icon, this.GetTabRect(i).X + (this.GetTabRect(i).Width - icon.Width) / 2 - 2, this.GetTabRect(i).Y + 4 - 2);
}
}
else
{
if (flag2)
{
if (flag1)
{
e.Graphics.FillRectangle(Brushes.Lime, Convert.ToInt32((rectangle.Width - textSize.Width) / 2) + rectangle.X, rectangle.Bottom - 2,
textSize.Width - 4, 2);
}
else
{
e.Graphics.FillRectangle(Brushes.Lime, rectangle.Right - 2, Convert.ToInt32((rectangle.Height - textSize.Height) / 2) + rectangle.Y,
2, textSize.Height + 4);
}
}
}
if (!this.TabPages[i].Text.Equals(string.Empty))
{
TextRenderer.DrawText(e.Graphics, this.TabPages[i].Text, this.Font, rectangle, SystemColors.ControlLightLight, format);
rectangle.Offset(-1, 0);
TextRenderer.DrawText(e.Graphics, this.TabPages[i].Text, this.Font, rectangle, SystemColors.ControlText, format);
}
}
}
private void setFormatFlags()
{
format.Alignment = AlignmentTools.TranslateAligment(TextAlign);
format.Trimming = trimming;
}
