public Size GetPreferredTabSize(Graphics g)
{
if (Text == "")
{
return(new Size(0, 0));
}
BpTabControl tabs = (BpTabControl)Parent;
Size size = GetTabTextExtent(g, Text);
if ((imgIndex >= 0) && (imgIndex < tabs.ImageList.Images.Count))
{
size.Height = Math.Max(size.Height, tabs.ImageList.ImageSize.Height);
size.Width += padding + tabs.ImageList.ImageSize.Width;
}
return(size);
}
protected virtual Size GetTabTextExtent(Graphics g, string text)
{
BpTabControl tabs = (BpTabControl)Parent;
VisualStyleElement element = tabs.GetGuessedElement(this);
/*if (Application.RenderWithVisualStyles && VisualStyleRenderer.IsElementDefined(element))
* {
* VisualStyleRenderer renderer = new VisualStyleRenderer(element);
* Rectangle bounds = renderer.GetTextExtent(g, text, TextFormatFlags.Default);
* return new Size(bounds.Width, bounds.Height);
* }
* else*/
{
Font font = SystemFonts.MenuFont;
return(TextRenderer.MeasureText(text, font));
}
}
protected virtual void DrawTabText(Graphics g, Rectangle bounds, string text, TextFormatFlags format)
{
BpTabControl tabs = (BpTabControl)Parent;
VisualStyleElement element = tabs.GetElement(this);
Font font = SystemFonts.MenuFont;
Color color;
if (Disabled)
{
color = SystemColors.GrayText;
}
else
{
color = SystemColors.MenuText;
}
TextRenderer.DrawText(g, text, font, bounds, color, format);
}
protected virtual void OnTabPaint(TabPaintEventArgs e)
{
BpTabControl tabs = (BpTabControl)Parent;
Rectangle bounds = e.ClipRectangle;
if ((imgIndex >= 0) && (imgIndex < tabs.ImageList.Images.Count))
{
int y = bounds.Y;
y += (bounds.Height - tabs.ImageList.ImageSize.Height) / 2;
tabs.ImageList.Draw(e.Graphics, bounds.X, y, imgIndex);
bounds = new Rectangle(bounds.X + tabs.ImageList.ImageSize.Width + padding, bounds.Y, bounds.Width - tabs.ImageList.ImageSize.Width - padding, bounds.Height);
}
DrawTabText(e.Graphics, bounds, Text,
TextFormatFlags.EndEllipsis | TextFormatFlags.HorizontalCenter | TextFormatFlags.VerticalCenter);
if (TabPaint != null)
{
TabPaint(this, e);
}
}
