private void DrawTabPages(Graphics g)
{
Point pt = PointToClient(Control.MousePosition);
bool flag = false;
bool flag2 = base.Alignment == TabAlignment.Top || base.Alignment == TabAlignment.Bottom;
LinearGradientMode linearGradientMode = flag2 ? LinearGradientMode.Vertical : LinearGradientMode.Horizontal;
if (flag2)
{
IntPtr upDownButtonHandle = UpDownButtonHandle;
if (upDownButtonHandle != IntPtr.Zero && Win32.IsWindowVisible(upDownButtonHandle))
{
RECT lpRect = default(RECT);
Win32.GetWindowRect(upDownButtonHandle, ref lpRect);
Rectangle r = Rectangle.FromLTRB(lpRect.left, lpRect.top, lpRect.right, lpRect.bottom);
r = RectangleToClient(r);
switch (base.Alignment)
{
case TabAlignment.Top:
r.Y = 0;
break;
case TabAlignment.Bottom:
r.Y = base.ClientRectangle.Height - DisplayRectangle.Height;
break;
}
r.Height = base.ClientRectangle.Height;
g.SetClip(r, CombineMode.Exclude);
flag = true;
}
}
for (int i = 0; i < base.TabCount; i++)
{
TabPage tabPage = base.TabPages[i];
Rectangle tabRect = GetTabRect(i);
bool flag3 = tabRect.Contains(pt);
bool flag4 = base.SelectedIndex == i;
Color color = _BaseTabolor;
Color borderColor = _BorderColor;
Blend blend = new Blend();
blend.Positions = new float[5]
{
0f,
0.3f,
0.5f,
0.7f,
1f
};
blend.Factors = new float[5]
{
0.1f,
0.3f,
0.5f,
0.8f,
1f
};
if (flag4)
{
color = _CheckedTabColor;
}
else if (flag3)
{
color = _HeightLightTabColor;
blend.Positions = new float[5]
{
0f,
0.3f,
0.6f,
0.8f,
1f
};
blend.Factors = new float[5]
{
0.2f,
0.4f,
0.6f,
0.5f,
0.4f
};
}
Rectangle rect = new Rectangle(tabRect.Left, tabRect.Bottom, tabRect.Width, 1);
g.SetClip(rect, CombineMode.Exclude);
CornerRadius cornerRadius = new CornerRadius(_TabCornerRadius, _TabCornerRadius, 0, 0);
tabRect.X += _TabMargin;
tabRect.Width -= _TabMargin;
tabRect.Y++;
tabRect.Height--;
RoundRectangle roundRect = new RoundRectangle(tabRect, cornerRadius);
GDIHelper.InitializeGraphics(g);
switch (_TabStyle)
{
case EnumTabStyle.AnglesWing:
cornerRadius = new CornerRadius(_TabCornerRadius);
tabRect.X += _TabCornerRadius;
tabRect.Width -= _TabCornerRadius * 2;
roundRect = new RoundRectangle(tabRect, cornerRadius);
using (GraphicsPath path = roundRect.ToGraphicsAnglesWingPath())
{
using (LinearGradientBrush linearGradientBrush = new LinearGradientBrush(roundRect.Rect, color, _BackColor, LinearGradientMode.Vertical))
{
linearGradientBrush.Blend = blend;
g.FillPath(linearGradientBrush, path);
}
}
using (GraphicsPath path = roundRect.ToGraphicsAnglesWingPath())
{
using (Pen pen = new Pen(_BorderColor, 1f))
{
g.DrawPath(pen, path);
}
}
break;
case EnumTabStyle.Default:
GDIHelper.FillPath(g, roundRect, color, _BackColor, blend);
GDIHelper.DrawPathBorder(g, roundRect, _BorderColor);
break;
}
g.ResetClip();
if (base.Alignment == TabAlignment.Top)
{
Image image = null;
Size imageSize = Size.Empty;
if (base.ImageList != null && tabPage.ImageIndex >= 0)
{
image = base.ImageList.Images[tabPage.ImageIndex];
imageSize = image.Size;
}
GDIHelper.DrawImageAndString(g, tabRect, image, imageSize, tabPage.Text, _CaptionFont, _CaptionForceColor);
}
else
{
bool hasImage = DrawTabImage(g, tabPage, tabRect);
DrawtabText(g, tabPage, tabRect, hasImage);
}
}
if (flag)
{
g.ResetClip();
}
if (base.SelectedIndex > -1)
{
bool flag5 = true;
}
}
private void DrawBorder(Graphics g)
{
if (base.SelectedIndex != -1)
{
Rectangle tabRect = GetTabRect(base.SelectedIndex);
Rectangle clientRectangle = base.ClientRectangle;
Point[] array = new Point[6];
IntPtr upDownButtonHandle = UpDownButtonHandle;
if (upDownButtonHandle != IntPtr.Zero && Win32.IsWindowVisible(upDownButtonHandle))
{
RECT lpRect = default(RECT);
Win32.GetWindowRect(upDownButtonHandle, ref lpRect);
Rectangle r = Rectangle.FromLTRB(lpRect.left, lpRect.top, lpRect.right, lpRect.bottom);
r = RectangleToClient(r);
tabRect.X = ((tabRect.X > r.X) ? r.X : tabRect.X);
tabRect.Width = ((tabRect.Right > r.X) ? (r.X - tabRect.X) : tabRect.Width);
}
int num = 0;
if (_TabStyle == EnumTabStyle.AnglesWing)
{
num = _TabCornerRadius / 2;
}
switch (base.Alignment)
{
case TabAlignment.Top:
array[0] = new Point(tabRect.X + _TabMargin + num, tabRect.Bottom);
array[1] = new Point(clientRectangle.X, tabRect.Bottom);
array[2] = new Point(clientRectangle.X, clientRectangle.Bottom - 1);
array[3] = new Point(clientRectangle.Right - 1, clientRectangle.Bottom - 1);
array[4] = new Point(clientRectangle.Right - 1, tabRect.Bottom);
array[5] = new Point(tabRect.Right - num, tabRect.Bottom);
break;
case TabAlignment.Bottom:
array[0] = new Point(tabRect.X, tabRect.Y);
array[1] = new Point(clientRectangle.X, tabRect.Y);
array[2] = new Point(clientRectangle.X, clientRectangle.Y);
array[3] = new Point(clientRectangle.Right - 1, clientRectangle.Y);
array[4] = new Point(clientRectangle.Right - 1, tabRect.Y);
array[5] = new Point(tabRect.Right, tabRect.Y);
break;
case TabAlignment.Left:
array[0] = new Point(tabRect.Right, tabRect.Y);
array[1] = new Point(tabRect.Right, clientRectangle.Y);
array[2] = new Point(clientRectangle.Right - 1, clientRectangle.Y);
array[3] = new Point(clientRectangle.Right - 1, clientRectangle.Bottom - 1);
array[4] = new Point(tabRect.Right, clientRectangle.Bottom - 1);
array[5] = new Point(tabRect.Right, tabRect.Bottom);
break;
case TabAlignment.Right:
array[0] = new Point(tabRect.X, tabRect.Y);
array[1] = new Point(tabRect.X, clientRectangle.Y);
array[2] = new Point(clientRectangle.X, clientRectangle.Y);
array[3] = new Point(clientRectangle.X, clientRectangle.Bottom - 1);
array[4] = new Point(tabRect.X, clientRectangle.Bottom - 1);
array[5] = new Point(tabRect.X, tabRect.Bottom);
break;
}
using (Pen pen = new Pen(_BorderColor))
{
g.DrawLines(pen, array);
}
}
}
private IntPtr FindUpDownButton()
{
return(Win32.FindWindowEx(base.Handle, IntPtr.Zero, "msctls_updown32", null));
}