protected override void OnPaint(PaintEventArgs e)
{
base.OnPaint(e);
if (this.drawItems.Length == this.tabItemList.Count)
{
e.Graphics.TextRenderingHint = TextRenderingHint.AntiAlias;
System.Drawing.Color color = System.Drawing.Color.FromArgb(0xff, 0xee, 0xc2);
System.Drawing.Color color2 = System.Drawing.Color.FromArgb(0xff, 0xc0, 0x6f);
if (SystemInformation.HighContrast)
{
color = System.Drawing.Color.FromArgb(0xff - color.R, 0xff - color.G, 0xff - color.B);
color2 = System.Drawing.Color.FromArgb(0xff - color2.R, 0xff - color2.G, 0xff - color2.B);
}
using (Brush brush = new SolidBrush(color))
{
using (Brush brush2 = new SolidBrush(color2))
{
for (int i = 0; i < this.drawItems.Length; i++)
{
System.Workflow.ComponentModel.Design.ItemInfo tabItemInfo = this.tabItemList[i];
DrawTabItemStruct struct2 = this.drawItems[i];
Brush control = SystemBrushes.Control;
Rectangle tabItemRectangle = struct2.TabItemRectangle;
if (this.selectedTab == i)
{
control = brush2;
e.Graphics.FillRectangle(control, tabItemRectangle);
e.Graphics.DrawRectangle(SystemPens.Highlight, tabItemRectangle);
}
else
{
Point pt = base.PointToClient(Control.MousePosition);
if (tabItemRectangle.Contains(pt))
{
control = brush;
e.Graphics.FillRectangle(control, tabItemRectangle);
e.Graphics.DrawRectangle(SystemPens.ControlDarkDark, tabItemRectangle);
}
}
Rectangle tabImageRectangle = this.GetTabImageRectangle(tabItemInfo);
if (!tabImageRectangle.IsEmpty)
{
e.Graphics.DrawImage(tabItemInfo.Image, tabImageRectangle);
}
Rectangle tabTextRectangle = this.GetTabTextRectangle(tabItemInfo);
if (!tabTextRectangle.IsEmpty)
{
StringFormat format = new StringFormat {
Alignment = StringAlignment.Center,
LineAlignment = StringAlignment.Center,
Trimming = StringTrimming.EllipsisCharacter
};
if (this.orientation == Orientation.Horizontal)
{
RectangleF layoutRectangle = new RectangleF((float)tabTextRectangle.X, (float)tabTextRectangle.Y, (float)tabTextRectangle.Width, (float)tabTextRectangle.Height);
e.Graphics.DrawString(tabItemInfo.Text, this.Font, SystemBrushes.ControlText, layoutRectangle, format);
}
else
{
using (Bitmap bitmap = new Bitmap(tabTextRectangle.Height, tabTextRectangle.Width, e.Graphics))
{
using (Graphics graphics = Graphics.FromImage(bitmap))
{
graphics.TextRenderingHint = TextRenderingHint.AntiAlias;
graphics.FillRectangle(control, new Rectangle(0, 0, bitmap.Width, bitmap.Height));
graphics.DrawString(this.tabItemList[i].Text, this.Font, SystemBrushes.ControlText, new Rectangle(0, 0, bitmap.Width, bitmap.Height), format);
bitmap.RotateFlip(RotateFlipType.Rotate90FlipNone);
e.Graphics.DrawImage(bitmap, tabTextRectangle);
}
}
}
}
}
}
}
}
}
protected override void OnLayout(LayoutEventArgs levent)
{
base.OnLayout(levent);
using (Graphics graphics = base.CreateGraphics())
{
this.drawItems = new DrawTabItemStruct[this.tabItemList.Count];
int num = (this.orientation == Orientation.Horizontal) ? base.Width : base.Height;
bool flag = false;
if (num <= this.MinimumRequiredSize)
{
flag = true;
}
int num2 = 0;
for (int i = 0; i < this.tabItemList.Count; i++)
{
int num4 = 0;
System.Workflow.ComponentModel.Design.ItemInfo info = this.tabItemList[i];
if (info.Image != null)
{
num4++;
num4 += this.reqTabItemSize - 2;
}
if ((info.Text != null) && (info.Text.Length > 0))
{
SizeF ef = graphics.MeasureString(info.Text, this.Font);
int width = Convert.ToInt32(Math.Ceiling((double)ef.Width));
this.drawItems[i].TextSize = new Size(width, Convert.ToInt32(Math.Ceiling((double)ef.Height)));
if (!flag)
{
num4 += this.drawItems[i].TextSize.Width + 1;
}
}
num4 += (num4 == 0) ? this.reqTabItemSize : 1;
this.drawItems[i].TabItemRectangle = Rectangle.Empty;
if (this.orientation == Orientation.Horizontal)
{
this.drawItems[i].TabItemRectangle.X = num2;
this.drawItems[i].TabItemRectangle.Y = 0;
this.drawItems[i].TabItemRectangle.Width = num4;
this.drawItems[i].TabItemRectangle.Height = this.reqTabItemSize;
}
else
{
this.drawItems[i].TabItemRectangle.X = 0;
this.drawItems[i].TabItemRectangle.Y = num2;
this.drawItems[i].TabItemRectangle.Width = this.reqTabItemSize;
this.drawItems[i].TabItemRectangle.Height = num4;
}
num2 += num4 + 1;
}
num2--;
if (num2 > num)
{
int num5 = (int)Math.Ceiling((double)(((double)(num2 - num)) / ((double)Math.Max(1, this.tabItemList.Count))));
num2 = 0;
DrawTabItemStruct struct2 = this.drawItems[this.tabItemList.Count - 1];
int num6 = (this.orientation == Orientation.Horizontal) ? (struct2.TabItemRectangle.Width - num5) : (struct2.TabItemRectangle.Height - num5);
if (num6 < this.reqTabItemSize)
{
num5 += (int)Math.Ceiling((double)(((double)(this.reqTabItemSize - num6)) / ((double)Math.Max(1, this.tabItemList.Count))));
}
for (int j = 0; j < this.tabItemList.Count; j++)
{
if (this.orientation == Orientation.Horizontal)
{
this.drawItems[j].TabItemRectangle.X -= num2;
this.drawItems[j].TabItemRectangle.Width -= num5;
if ((j == (this.tabItemList.Count - 1)) && (this.drawItems[j].TabItemRectangle.Width < this.reqTabItemSize))
{
this.drawItems[j].TabItemRectangle.Width = this.reqTabItemSize;
}
}
else
{
this.drawItems[j].TabItemRectangle.Y -= num2;
this.drawItems[j].TabItemRectangle.Height -= num5;
if ((j == (this.tabItemList.Count - 1)) && (this.drawItems[j].TabItemRectangle.Height < this.reqTabItemSize))
{
this.drawItems[j].TabItemRectangle.Height = this.reqTabItemSize;
}
}
num2 += num5;
}
}
}
}
