protected override void OnPaintBackground(PaintEventArgs e)
{
base.OnPaintBackground(e);
if (ActiveFormStyle == null || ActiveFormStyle.NormalState.Image == null)
{
return;
}
Rectangle srcRect =
DrawUtil.ExcludePadding(new Rectangle(Point.Empty, ActiveFormStyle.NormalState.Image.Size),
ActiveFormStyle.ClientAreaPadding);
Padding margins =
DrawUtil.SubstractPadding(ActiveFormStyle.NormalState.StretchMargins, ActiveFormStyle.ClientAreaPadding);
DrawUtil.DrawImage(e.Graphics, ActiveFormStyle.NormalState.Image, srcRect, ClientRectangle, null, margins);
}
protected override void OnNonClientAreaPaint(NonClientPaintEventArgs e)
{
if (ActiveFormStyle == null)
{
return;
}
// assign clip region to exclude client area
Region clipRegion = new Region(e.Bounds);
clipRegion.Exclude(DrawUtil.ExcludePadding(e.Bounds, ActiveFormStyle.ClientAreaPadding));
e.Graphics.Clip = clipRegion;
// paint borders
ActiveFormStyle.NormalState.DrawImage(e.Graphics, e.Bounds);
int textOffset = 0;
// paint icon
if (ShowIcon &&
FormBorderStyle != FormBorderStyle.FixedToolWindow &&
FormBorderStyle != FormBorderStyle.SizableToolWindow)
{
Rectangle iconRect = GetIconRectangle();
textOffset += iconRect.Right;
if (smallIcon != null)
{
e.Graphics.DrawIconUnstretched(smallIcon, iconRect);
}
else
{
e.Graphics.DrawIcon(Icon, iconRect);
}
}
// paint caption
string text = this.Text;
if (!String.IsNullOrEmpty(text))
{
// disable text wrapping and request elipsis characters on overflow
using (StringFormat sf = new StringFormat())
{
sf.Trimming = StringTrimming.EllipsisCharacter;
sf.FormatFlags = StringFormatFlags.NoWrap;
sf.LineAlignment = StringAlignment.Center;
// find position of the first button from left
int firstButton = e.Bounds.Width;
foreach (CaptionButton button in this.CaptionButtons)
{
if (button.Visible)
{
firstButton = Math.Min(firstButton, button.Bounds.X);
}
}
Padding padding = ActiveFormStyle.TitlePadding;
Rectangle textRect = new Rectangle(textOffset + padding.Left,
padding.Top, firstButton - textOffset - padding.Horizontal,
ActiveFormStyle.ClientAreaPadding.Top - padding.Vertical);
Font textFont = this.Font;
if (ActiveFormStyle.TitleFont != null)
{
textFont = ActiveFormStyle.TitleFont;
}
if (!ActiveFormStyle.TitleShadowColor.IsEmpty)
{
Rectangle shadowRect = textRect;
shadowRect.Offset(1, 1);
// draw drop shadow
using (Brush b = new SolidBrush(ActiveFormStyle.TitleShadowColor))
{
e.Graphics.DrawString(text, textFont, b, shadowRect, sf);
}
}
if (!ActiveFormStyle.TitleColor.IsEmpty)
{
// draw text
using (Brush b = new SolidBrush(ActiveFormStyle.TitleColor))
{
e.Graphics.DrawString(text, textFont, b, textRect, sf);
}
}
}
}
// paint buttons
foreach (CaptionButton button in this.CaptionButtons)
{
button.DrawButton(e.Graphics, false);
}
}