public static void DrawGroupBox(Graphics g, Rectangle bounds, string groupBoxText, Font font, Color textColor, TextFormatFlags flags, GroupBoxState state)
{
Size font_size = TextRenderer.MeasureText(groupBoxText, font);
if (Application.RenderWithVisualStyles || always_use_visual_styles == true)
{
VisualStyleRenderer vsr;
Rectangle new_bounds;
switch (state)
{
case GroupBoxState.Normal:
default:
vsr = new VisualStyleRenderer(VisualStyleElement.Button.GroupBox.Normal);
new_bounds = new Rectangle(bounds.Left, bounds.Top + (int)(font_size.Height / 2) - 1, bounds.Width, bounds.Height - (int)(font_size.Height / 2) + 1);
break;
case GroupBoxState.Disabled:
vsr = new VisualStyleRenderer(VisualStyleElement.Button.GroupBox.Disabled);
new_bounds = new Rectangle(bounds.Left, bounds.Top + (int)(font_size.Height / 2) - 2, bounds.Width, bounds.Height - (int)(font_size.Height / 2) + 2);
break;
}
if (groupBoxText == String.Empty)
{
vsr.DrawBackground(g, bounds);
}
else
{
vsr.DrawBackgroundExcludingArea(g, new_bounds, new Rectangle(bounds.Left + 9, bounds.Top, font_size.Width - 3, font_size.Height));
}
if (textColor == Color.Empty)
{
textColor = vsr.GetColor(ColorProperty.TextColor);
}
if (groupBoxText != String.Empty)
{
TextRenderer.DrawText(g, groupBoxText, font, new Point(bounds.Left + 8, bounds.Top), textColor, flags);
}
}
else
{
// MS has a pretty big bug when rendering the non-visual styles group box. Instead of using the height
// part of the bounds as height, they use it as the bottom, so the boxes are drawn in completely different
// places. Rather than emulate this bug, we do it correctly. After googling for a while, I don't think
// anyone has ever actually used this class for anything, so it should be fine. :)
Rectangle new_bounds = new Rectangle(bounds.Left, bounds.Top + (int)(font_size.Height / 2), bounds.Width, bounds.Height - (int)(font_size.Height / 2));
// Don't paint over the background where we are going to put the text
var savedClip = g.Clip.Clone();
g.SetClip(new Rectangle(bounds.Left + 9, bounds.Top, font_size.Width - 3, font_size.Height), System.Drawing.Drawing2D.CombineMode.Exclude);
ControlPaint.DrawBorder3D(g, new_bounds, Border3DStyle.Etched);
g.Clip = savedClip;
if (groupBoxText != String.Empty)
{
if (textColor == Color.Empty)
{
textColor = state == GroupBoxState.Normal ? SystemColors.ControlText :
SystemColors.GrayText;
}
TextRenderer.DrawText(g, groupBoxText, font, new Point(bounds.Left + 11 /*8*/, bounds.Top), textColor, flags);
}
}
}