private void DrawScrollBar(IntPtr maskHWnd, Rectangle bounds, Rectangle trackRect, Rectangle topLeftArrowRect, Rectangle bottomRightArrowRect, Rectangle thumbRect, ControlState topLeftArrowState, ControlState bottomRightArrowState, ControlState thumbState, Orientation direction)
{
bool flag = direction == Orientation.Horizontal;
bool enabled = this._owner.Enabled;
IScrollBarPaint paint = this._owner as IScrollBarPaint;
if (paint != null)
{
ImageDc dc = new ImageDc(bounds.Width, bounds.Height);
IntPtr dC = Win32.NativeMethods.GetDC(maskHWnd);
try
{
using (Graphics graphics = Graphics.FromHdc(dc.Hdc))
{
using (TCEventArgs.PaintScrollBarTrackEventArgs args = new TCEventArgs.PaintScrollBarTrackEventArgs(graphics, trackRect, direction, enabled))
{
paint.OnPaintScrollBarTrack(args);
}
ArrowDirection arrowDirection = flag ? ArrowDirection.Left : ArrowDirection.Up;
using (TCEventArgs.PaintScrollBarArrowEventArgs args2 = new TCEventArgs.PaintScrollBarArrowEventArgs(graphics, topLeftArrowRect, topLeftArrowState, arrowDirection, direction, enabled))
{
paint.OnPaintScrollBarArrow(args2);
}
arrowDirection = flag ? ArrowDirection.Right : ArrowDirection.Down;
using (TCEventArgs.PaintScrollBarArrowEventArgs args3 = new TCEventArgs.PaintScrollBarArrowEventArgs(graphics, bottomRightArrowRect, bottomRightArrowState, arrowDirection, direction, enabled))
{
paint.OnPaintScrollBarArrow(args3);
}
using (TCEventArgs.PaintScrollBarThumbEventArgs args4 = new TCEventArgs.PaintScrollBarThumbEventArgs(graphics, thumbRect, thumbState, direction, enabled))
{
paint.OnPaintScrollBarThumb(args4);
}
}
Win32.NativeMethods.BitBlt(dC, 0, 0, bounds.Width, bounds.Height, dc.Hdc, 0, 0, 0xcc0020);
}
finally
{
Win32.NativeMethods.ReleaseDC(maskHWnd, dC);
dc.Dispose();
}
}
}
private void DrawScrollBar(
IntPtr maskHWnd,
Rectangle bounds,
Rectangle trackRect,
Rectangle topLeftArrowRect,
Rectangle bottomRightArrowRect,
Rectangle thumbRect,
ControlState topLeftArrowState,
ControlState bottomRightArrowState,
ControlState thumbState,
Orientation direction)
{
bool bHorizontal = direction == Orientation.Horizontal;
ArrowDirection arrowDirection;
bool bEnabled = _owner.Enabled;
IScrollBarPaint paint = _owner as IScrollBarPaint;
if (paint == null)
{
return;
}
ImageDc tempDc = new ImageDc(bounds.Width, bounds.Height);
IntPtr hdc = NativeMethods.GetDC(maskHWnd);
try
{
using (Graphics g = Graphics.FromHdc(tempDc.Hdc))
{
using (PaintScrollBarTrackEventArgs te =
new PaintScrollBarTrackEventArgs(
g,
trackRect,
direction,
bEnabled))
{
paint.OnPaintScrollBarTrack(te);
}
arrowDirection = bHorizontal ?
ArrowDirection.Left : ArrowDirection.Up;
using (PaintScrollBarArrowEventArgs te =
new PaintScrollBarArrowEventArgs(
g,
topLeftArrowRect,
topLeftArrowState,
arrowDirection,
direction,
bEnabled))
{
paint.OnPaintScrollBarArrow(te);
}
arrowDirection = bHorizontal ?
ArrowDirection.Right : ArrowDirection.Down;
using (PaintScrollBarArrowEventArgs te =
new PaintScrollBarArrowEventArgs(
g,
bottomRightArrowRect,
bottomRightArrowState,
arrowDirection,
direction,
bEnabled))
{
paint.OnPaintScrollBarArrow(te);
}
using (PaintScrollBarThumbEventArgs te =
new PaintScrollBarThumbEventArgs(
g,
thumbRect,
thumbState,
direction,
bEnabled))
{
paint.OnPaintScrollBarThumb(te);
}
}
NativeMethods.BitBlt(
hdc,
0,
0,
bounds.Width,
bounds.Height,
tempDc.Hdc,
0,
0,
TernaryRasterOperations.SRCCOPY);
}
finally
{
NativeMethods.ReleaseDC(maskHWnd, hdc);
tempDc.Dispose();
}
}