private void RenderBorder(Graphics g, Rectangle bounds)
{
if (ShowBorder == false) return;
if (RoundStyle == RoundStyle.None)
{
ControlPaint.DrawBorder(
g,
bounds,
ColorTable.Border,
ButtonBorderStyle.Solid);
}
else
{
using (SmoothingModeGraphics sg = new SmoothingModeGraphics(g))
{
using (GraphicsPath path = GraphicsPathHelper.CreatePath(
bounds, Radius, RoundStyle, true))
{
using (Pen pen = new Pen(ColorTable.Border))
{
g.DrawPath(pen, path);
}
}
}
}
}
private void RenderImageAndText(Graphics g, Rectangle captionRect)
{
Rectangle imageRect = Rectangle.Empty;
Rectangle textRect = Rectangle.Empty;
int bordWidth = base.BorderWidth;
int imageWidth = CaptionHeight - 6;
StringFormat sf = new StringFormat();
sf.FormatFlags = StringFormatFlags.NoWrap;
sf.Trimming = StringTrimming.EllipsisCharacter;
bool rightToLeft = base.RightToLeft == RightToLeft.Yes;
bool drawImage = Owner.ImageStyle == CaptionImageStyle.Draw ||
Owner.ImageStyle == CaptionImageStyle.Image;
if (rightToLeft)
{
sf.FormatFlags |= StringFormatFlags.DirectionRightToLeft;
}
if (drawImage)
{
imageRect = new Rectangle(
bordWidth, captionRect.Y + 3, imageWidth, imageWidth);
}
else
{
imageRect.X = bordWidth - 3;
}
textRect = new Rectangle(
imageRect.Right + 3,
captionRect.Y,
captionRect.Width - (imageRect.Right + 3) - bordWidth,
captionRect.Height);
if (rightToLeft)
{
imageRect.X = captionRect.Right - imageRect.Right;
textRect.X = captionRect.Right - textRect.Right;
}
sf.LineAlignment = StringAlignment.Center;
switch (TextAlign)
{
case ContentAlignment.BottomCenter:
case ContentAlignment.MiddleCenter:
case ContentAlignment.TopCenter:
sf.Alignment = StringAlignment.Center;
break;
case ContentAlignment.BottomLeft:
case ContentAlignment.MiddleLeft:
case ContentAlignment.TopLeft:
sf.Alignment = StringAlignment.Near;
break;
case ContentAlignment.BottomRight:
case ContentAlignment.MiddleRight:
case ContentAlignment.TopRight:
sf.Alignment = StringAlignment.Far;
break;
}
if (!string.IsNullOrEmpty(base.Text))
{
using (Brush brush = new SolidBrush(ColorTable.CaptionFore))
{
g.DrawString(
base.Text,
CaptionFont,
brush,
textRect,
sf);
}
}
if (drawImage)
{
if (Owner.ImageStyle == CaptionImageStyle.Image)
{
Image image = _isExpanded ?
Owner.ExpandImage : Owner.CollapseImage;
if (image != null)
{
g.DrawImage(
image,
imageRect,
0,
0,
image.Width,
image.Height,
GraphicsUnit.Pixel);
}
}
else
{
ArrowDirection direction = _isExpanded ?
ArrowDirection.Up : ArrowDirection.Down;
using (SmoothingModeGraphics sg = new SmoothingModeGraphics(g))
{
using (Brush brush = new SolidBrush(ColorTable.CaptionFore))
{
RenderHelper.RenderArrowInternal(
g,
imageRect,
direction,
brush);
}
}
}
}
}
protected override void OnPaintCaption(PaintEventArgs e)
{
Graphics g = e.Graphics;
Rectangle captionRect = CaptionRect;
LinearGradientMode gradientMode = LinearGradientMode.Vertical;
RoundStyle roundStyle = RoundStyle.All;
Color backColor;
switch (CaptionState)
{
case ControlState.Hover:
backColor = ColorTable.CaptionBackHover;
break;
case ControlState.Pressed:
backColor = ColorTable.CaptionBackPressed;
break;
default:
backColor = ColorTable.CaptionBackNormal;
break;
}
using (SmoothingModeGraphics sg = new SmoothingModeGraphics(g))
{
RenderHelper.RenderBackgroundInternal(
g,
captionRect,
backColor,
ColorTable.Border,
Color.White,
roundStyle,
Radius,
true,
true,
gradientMode);
}
RenderImageAndText(g, captionRect);
RenderBorder(g, base.ClientRectangle);
}
internal void RenderBorder(Graphics g, Rectangle bounds)
{
switch (_captionStyle)
{
case CaptionStyle.Top:
case CaptionStyle.Bottom:
if (base.Height <= _captionHeight)
{
return;
}
break;
case CaptionStyle.Left:
case CaptionStyle.Right:
if (base.Width <= _captionHeight)
{
return;
}
break;
}
if (_showBorder)
{
if (RoundStyle == RoundStyle.None)
{
ControlPaint.DrawBorder(
g,
bounds,
ColorTable.Border,
ButtonBorderStyle.Solid);
}
else
{
using (SmoothingModeGraphics sg = new SmoothingModeGraphics(g))
{
using (GraphicsPath path = GraphicsPathHelper.CreatePath(
bounds, Radius, RoundStyle, true))
{
using (Pen pen = new Pen(ColorTable.Border))
{
g.DrawPath(pen, path);
}
}
}
}
}
}
protected virtual void OnPaintCaption(PaintEventArgs e)
{
Graphics g = e.Graphics;
Rectangle captionRect = CaptionRect;
LinearGradientMode gradientMode = LinearGradientMode.Vertical;
RoundStyle roundStyle = RoundStyle.None;
switch (_captionStyle)
{
case CaptionStyle.Top:
roundStyle = RoundStyle & RoundStyle.Top;
break;
case CaptionStyle.Left:
gradientMode = LinearGradientMode.Horizontal;
roundStyle = RoundStyle & RoundStyle.Left;
break;
case CaptionStyle.Bottom:
roundStyle = RoundStyle & RoundStyle.Bottom;
break;
case CaptionStyle.Right:
gradientMode = LinearGradientMode.Horizontal;
roundStyle = RoundStyle & RoundStyle.Right;
break;
}
if (!_showBorder)
{
roundStyle = RoundStyle.All;
}
using (SmoothingModeGraphics sg = new SmoothingModeGraphics(g))
{
RenderHelper.RenderBackgroundInternal(
g,
captionRect,
ColorTable.CaptionBackNormal,
ColorTable.Border,
Color.White,
roundStyle,
Radius,
true,
true,
gradientMode);
}
RenderImageAndText(g, captionRect);
RenderBorder(g, base.ClientRectangle);
}
private void RenderImageAndText(Graphics g, Rectangle captionRect)
{
Rectangle imageRect = Rectangle.Empty;
Rectangle textRect = Rectangle.Empty;
int bordWidth = base.BorderWidth;
int imageWidth = CaptionHeight - 6;
StringFormat sf = new StringFormat();
sf.FormatFlags = StringFormatFlags.NoWrap;
sf.Trimming = StringTrimming.EllipsisCharacter;
bool rightToLeft = base.RightToLeft == RightToLeft.Yes;
bool drawImage = Owner.ImageStyle == CaptionImageStyle.Draw ||
Owner.ImageStyle == CaptionImageStyle.Image;
if (rightToLeft)
{
sf.FormatFlags |= StringFormatFlags.DirectionRightToLeft;
}
if (drawImage)
{
imageRect = new Rectangle(
bordWidth, captionRect.Y + 3, imageWidth, imageWidth);
}
else
{
imageRect.X = bordWidth - 3;
}
textRect = new Rectangle(
imageRect.Right + 3,
captionRect.Y,
captionRect.Width - (imageRect.Right + 3) - bordWidth,
captionRect.Height);
if (rightToLeft)
{
imageRect.X = captionRect.Right - imageRect.Right;
textRect.X = captionRect.Right - textRect.Right;
}
sf.LineAlignment = StringAlignment.Center;
switch (TextAlign)
{
case ContentAlignment.BottomCenter:
case ContentAlignment.MiddleCenter:
case ContentAlignment.TopCenter:
sf.Alignment = StringAlignment.Center;
break;
case ContentAlignment.BottomLeft:
case ContentAlignment.MiddleLeft:
case ContentAlignment.TopLeft:
sf.Alignment = StringAlignment.Near;
break;
case ContentAlignment.BottomRight:
case ContentAlignment.MiddleRight:
case ContentAlignment.TopRight:
sf.Alignment = StringAlignment.Far;
break;
}
if (!string.IsNullOrEmpty(base.Text))
{
using (Brush brush = new SolidBrush(ColorTable.CaptionFore))
{
g.DrawString(
base.Text,
CaptionFont,
brush,
textRect,
sf);
}
}
if (drawImage)
{
if (Owner.ImageStyle == CaptionImageStyle.Image)
{
Image image = _isExpanded ?
Owner.ExpandImage : Owner.CollapseImage;
if (image != null)
{
g.DrawImage(
image,
imageRect,
0,
0,
image.Width,
image.Height,
GraphicsUnit.Pixel);
}
}
else
{
ArrowDirection direction = _isExpanded ?
ArrowDirection.Up : ArrowDirection.Down;
using (SmoothingModeGraphics sg = new SmoothingModeGraphics(g))
{
using (Brush brush = new SolidBrush(ColorTable.CaptionFore))
{
RenderHelper.RenderArrowInternal(
g,
imageRect,
direction,
brush);
}
}
}
}
}
protected virtual void WmNcPaint(ref Message m)
{
IntPtr hDC = Win32.NativeMethods.GetWindowDC(m.HWnd);
if (hDC == IntPtr.Zero)
{
return;
}
try
{
Rectangle bounds = new Rectangle(Point.Empty, base.Size);
Rectangle client = base.ClientRectangle;
client.X = _borderWidth;
client.Y = _borderWidth;
using (ImageDc bufferedDC = new ImageDc(base.Width, base.Height))
{
Win32.NativeMethods.ExcludeClipRect(
bufferedDC.Hdc,
client.Left,
client.Top,
client.Right,
client.Bottom);
DrawTransparentBackground(
bufferedDC.Hdc,
bounds,
base.Location);
using (Graphics g = Graphics.FromHdc(bufferedDC.Hdc))
{
using (GraphicsPath path = GraphicsPathHelper.CreatePath(
bounds, _radius, _roundStyle, true))
{
g.SetClip(path);
}
g.ExcludeClip(client);
if (base.BackgroundImage != null)
{
ControlPaintEx.DrawBackgroundImage(
g,
base.BackgroundImage,
base.BackColor,
base.BackgroundImageLayout,
bounds,
bounds);
}
else if (base.BackColor != Color.Transparent)
{
using (Brush brush = new SolidBrush(base.BackColor))
{
g.FillRectangle(brush, bounds);
}
}
g.ResetClip();
using (GraphicsPath path = GraphicsPathHelper.CreatePath(
bounds, _radius, _roundStyle, true))
{
using ( SmoothingModeGraphics antiGraphics = new SmoothingModeGraphics(g))
{
g.DrawPath(Pens.Black, path);
}
}
}
Win32.NativeMethods.ExcludeClipRect(
hDC,
client.Left,
client.Top,
client.Right,
client.Bottom);
Win32.NativeMethods.BitBlt(
hDC,
bounds.X,
bounds.Y,
bounds.Width,
bounds.Height,
bufferedDC.Hdc,
0,
0,
TernaryRasterOperations.SRCCOPY);
}
}
catch
{
}
finally
{
Win32.NativeMethods.ReleaseDC(m.HWnd, hDC);
}
}
protected virtual void WmNcPaint(ref Message m)
{
IntPtr hDC = Win32.NativeMethods.GetWindowDC(m.HWnd);
if (hDC == IntPtr.Zero)
{
return;
}
try
{
Rectangle bounds = new Rectangle(Point.Empty, base.Size);
Rectangle client = base.ClientRectangle;
client.X = _borderWidth;
client.Y = _borderWidth;
using (ImageDc bufferedDC = new ImageDc(base.Width, base.Height))
{
Win32.NativeMethods.ExcludeClipRect(
bufferedDC.Hdc,
client.Left,
client.Top,
client.Right,
client.Bottom);
DrawTransparentBackground(
bufferedDC.Hdc,
bounds,
base.Location);
using (Graphics g = Graphics.FromHdc(bufferedDC.Hdc))
{
using (GraphicsPath path = GraphicsPathHelper.CreatePath(
bounds, _radius, _roundStyle, true))
{
g.SetClip(path);
}
g.ExcludeClip(client);
if (base.BackgroundImage != null)
{
ControlPaintEx.DrawBackgroundImage(
g,
base.BackgroundImage,
base.BackColor,
base.BackgroundImageLayout,
bounds,
bounds);
}
else if (base.BackColor != Color.Transparent)
{
using (Brush brush = new SolidBrush(base.BackColor))
{
g.FillRectangle(brush, bounds);
}
}
g.ResetClip();
using (GraphicsPath path = GraphicsPathHelper.CreatePath(
bounds, _radius, _roundStyle, true))
{
using (SmoothingModeGraphics antiGraphics = new SmoothingModeGraphics(g))
{
g.DrawPath(Pens.Black, path);
}
}
}
Win32.NativeMethods.ExcludeClipRect(
hDC,
client.Left,
client.Top,
client.Right,
client.Bottom);
Win32.NativeMethods.BitBlt(
hDC,
bounds.X,
bounds.Y,
bounds.Width,
bounds.Height,
bufferedDC.Hdc,
0,
0,
TernaryRasterOperations.SRCCOPY);
}
}
catch
{
}
finally
{
Win32.NativeMethods.ReleaseDC(m.HWnd, hDC);
}
}
