protected override void OnFontChanged(EventArgs e)
{
base.OnFontChanged(e);
IntPtr hFont = ModernFonts.TabControl(this.FontSize, this.FontWeight).ToHfont();
WinApi.SendMessage(this.Handle, WM_SETFONT, hFont, (IntPtr)(-1));
WinApi.SendMessage(this.Handle, WM_FONTCHANGE, IntPtr.Zero, IntPtr.Zero);
this.UpdateStyles();
}
/// <summary>
/// Measures the text.
/// </summary>
/// <param name="text">The text.</param>
/// <returns>Preferred size.</returns>
private Size MeasureText(string text)
{
Size preferredSize;
using (Graphics g = CreateGraphics())
{
Size proposedSize = new Size(int.MaxValue, int.MaxValue);
preferredSize = TextRenderer.MeasureText(g, text ?? string.Empty, ModernFonts.TabControl(this.FontSize, this.FontWeight), proposedSize, ModernPaint.GetTextFormatFlags(ContentAlignment.MiddleLeft) | TextFormatFlags.NoPadding);
}
return(preferredSize);
}
/// <summary>
/// Draws the tab.
/// </summary>
/// <param name="index">The index.</param>
/// <param name="graphics">The graphics.</param>
private void DrawTab(int index, Graphics graphics)
{
Color foreColor;
Color backColor = this.BackColor;
if (!this.UseCustomBackColor)
{
backColor = ModernPaint.BackColor.Form(this.ThemeStyle);
}
TabPage tabPage = this.TabPages[index];
Rectangle tabRectangle = this.GetTabRect(index);
if (!this.Enabled)
{
foreColor = ModernPaint.ForeColor.Label.Disabled(this.ThemeStyle);
}
else
{
if (this.UseCustomForeColor)
{
foreColor = Control.DefaultForeColor;
}
else
{
foreColor = !this.UseStyleColors ? ModernPaint.ForeColor.TabControl.Normal(this.ThemeStyle) : ModernPaint.GetStyleColor(this.ColorStyle);
}
}
if (index == 0)
{
tabRectangle.X = this.DisplayRectangle.X;
}
Rectangle bgRectangle = tabRectangle;
tabRectangle.Width += 20;
using (Brush bgBrush = new SolidBrush(backColor))
{
graphics.FillRectangle(bgBrush, bgRectangle);
}
TextRenderer.DrawText(graphics, tabPage.Text, ModernFonts.TabControl(this.FontSize, this.FontWeight), tabRectangle, foreColor, backColor, ModernPaint.GetTextFormatFlags(ContentAlignment.MiddleLeft));
}