private void CalculateRect(IntPtr scrollBarHWnd, bool bHorizontal, out Rectangle bounds, out Rectangle trackRect, out Rectangle topLeftArrowRect, out Rectangle bottomRightArrowRect, out Rectangle thumbRect)
{
Win32.Struct.RECT lpRect = new Win32.Struct.RECT();
Win32.NativeMethods.GetWindowRect(scrollBarHWnd, ref lpRect);
Win32.NativeMethods.OffsetRect(ref lpRect, -lpRect.Left, -lpRect.Top);
int arrowWidth = bHorizontal ? this.ArrowCx : this.ArrowCy;
bounds = lpRect.Rect;
System.Drawing.Point point = this.GetScrollBarThumb(bounds, bHorizontal, arrowWidth);
trackRect = bounds;
if (bHorizontal)
{
topLeftArrowRect = new Rectangle(0, 0, arrowWidth, bounds.Height);
bottomRightArrowRect = new Rectangle(bounds.Width - arrowWidth, 0, arrowWidth, bounds.Height);
if (this._owner.RightToLeft == RightToLeft.Yes)
{
thumbRect = new Rectangle(point.Y, 0, point.X - point.Y, bounds.Height);
}
else
{
thumbRect = new Rectangle(point.X, 0, point.Y - point.X, bounds.Height);
}
}
else
{
topLeftArrowRect = new Rectangle(0, 0, bounds.Width, arrowWidth);
bottomRightArrowRect = new Rectangle(0, bounds.Height - arrowWidth, bounds.Width, arrowWidth);
thumbRect = new Rectangle(0, point.X, bounds.Width, point.Y - point.X);
}
}
private void CalculateRect(IntPtr scrollBarHWnd, bool bHorizontal, out Rectangle bounds, out Rectangle trackRect, out Rectangle topLeftArrowRect, out Rectangle bottomRightArrowRect, out Rectangle thumbRect)
{
Win32.Struct.RECT lpRect = new Win32.Struct.RECT();
Win32.NativeMethods.GetWindowRect(scrollBarHWnd, ref lpRect);
Win32.NativeMethods.OffsetRect(ref lpRect, -lpRect.Left, -lpRect.Top);
int arrowWidth = bHorizontal ? this.ArrowCx : this.ArrowCy;
bounds = lpRect.Rect;
System.Drawing.Point point = this.GetScrollBarThumb(bounds, bHorizontal, arrowWidth);
trackRect = bounds;
if (bHorizontal)
{
topLeftArrowRect = new Rectangle(0, 0, arrowWidth, bounds.Height);
bottomRightArrowRect = new Rectangle(bounds.Width - arrowWidth, 0, arrowWidth, bounds.Height);
if (this._owner.RightToLeft == RightToLeft.Yes)
{
thumbRect = new Rectangle(point.Y, 0, point.X - point.Y, bounds.Height);
}
else
{
thumbRect = new Rectangle(point.X, 0, point.Y - point.X, bounds.Height);
}
}
else
{
topLeftArrowRect = new Rectangle(0, 0, bounds.Width, arrowWidth);
bottomRightArrowRect = new Rectangle(0, bounds.Height - arrowWidth, bounds.Width, arrowWidth);
thumbRect = new Rectangle(0, point.X, bounds.Width, point.Y - point.X);
}
}
private ScrollBarHistTest ScrollBarHitTest(IntPtr hWnd)
{
Win32.NativeMethods.Point lpPoint = new Win32.NativeMethods.Point();
Win32.Struct.RECT lpRect = new Win32.Struct.RECT();
System.Drawing.Point scrollBarThumb = this.GetScrollBarThumb();
int arrowCx = this.ArrowCx;
int arrowCy = this.ArrowCy;
Win32.NativeMethods.GetWindowRect(hWnd, ref lpRect);
Win32.NativeMethods.OffsetRect(ref lpRect, -lpRect.Left, -lpRect.Top);
Win32.Struct.RECT lprc = lpRect;
Win32.NativeMethods.GetCursorPos(ref lpPoint);
Win32.NativeMethods.ScreenToClient(hWnd, ref lpPoint);
if (this.Direction == Orientation.Horizontal)
{
if (Win32.NativeMethods.PtInRect(ref lpRect, lpPoint))
{
lprc.Right = arrowCx;
if (Win32.NativeMethods.PtInRect(ref lprc, lpPoint))
{
return(ScrollBarHistTest.LeftArrow);
}
lprc.Left = lpRect.Right - arrowCx;
lprc.Right = lpRect.Right;
if (Win32.NativeMethods.PtInRect(ref lprc, lpPoint))
{
return(ScrollBarHistTest.RightArrow);
}
if (this._owner.RightToLeft == RightToLeft.Yes)
{
lprc.Left = lpPoint.y;
lprc.Right = lpPoint.x;
}
else
{
lprc.Left = scrollBarThumb.X;
lprc.Right = scrollBarThumb.Y;
}
if (Win32.NativeMethods.PtInRect(ref lprc, lpPoint))
{
return(ScrollBarHistTest.Thumb);
}
return(ScrollBarHistTest.Track);
}
}
else if (Win32.NativeMethods.PtInRect(ref lpRect, lpPoint))
{
lprc.Bottom = arrowCy;
if (Win32.NativeMethods.PtInRect(ref lprc, lpPoint))
{
return(ScrollBarHistTest.TopArrow);
}
lprc.Top = lpRect.Bottom - arrowCy;
lprc.Bottom = lpRect.Bottom;
if (Win32.NativeMethods.PtInRect(ref lprc, lpPoint))
{
return(ScrollBarHistTest.BottomArrow);
}
lprc.Top = scrollBarThumb.X;
lprc.Bottom = scrollBarThumb.Y;
if (Win32.NativeMethods.PtInRect(ref lprc, lpPoint))
{
return(ScrollBarHistTest.Thumb);
}
return(ScrollBarHistTest.Track);
}
return(ScrollBarHistTest.None);
}
private ScrollBarHistTest ScrollBarHitTest(IntPtr hWnd)
{
Win32.NativeMethods.Point lpPoint = new Win32.NativeMethods.Point();
Win32.Struct.RECT lpRect = new Win32.Struct.RECT();
System.Drawing.Point scrollBarThumb = this.GetScrollBarThumb();
int arrowCx = this.ArrowCx;
int arrowCy = this.ArrowCy;
Win32.NativeMethods.GetWindowRect(hWnd, ref lpRect);
Win32.NativeMethods.OffsetRect(ref lpRect, -lpRect.Left, -lpRect.Top);
Win32.Struct.RECT lprc = lpRect;
Win32.NativeMethods.GetCursorPos(ref lpPoint);
Win32.NativeMethods.ScreenToClient(hWnd, ref lpPoint);
if (this.Direction == Orientation.Horizontal)
{
if (Win32.NativeMethods.PtInRect(ref lpRect, lpPoint))
{
lprc.Right = arrowCx;
if (Win32.NativeMethods.PtInRect(ref lprc, lpPoint))
{
return ScrollBarHistTest.LeftArrow;
}
lprc.Left = lpRect.Right - arrowCx;
lprc.Right = lpRect.Right;
if (Win32.NativeMethods.PtInRect(ref lprc, lpPoint))
{
return ScrollBarHistTest.RightArrow;
}
if (this._owner.RightToLeft == RightToLeft.Yes)
{
lprc.Left = lpPoint.y;
lprc.Right = lpPoint.x;
}
else
{
lprc.Left = scrollBarThumb.X;
lprc.Right = scrollBarThumb.Y;
}
if (Win32.NativeMethods.PtInRect(ref lprc, lpPoint))
{
return ScrollBarHistTest.Thumb;
}
return ScrollBarHistTest.Track;
}
}
else if (Win32.NativeMethods.PtInRect(ref lpRect, lpPoint))
{
lprc.Bottom = arrowCy;
if (Win32.NativeMethods.PtInRect(ref lprc, lpPoint))
{
return ScrollBarHistTest.TopArrow;
}
lprc.Top = lpRect.Bottom - arrowCy;
lprc.Bottom = lpRect.Bottom;
if (Win32.NativeMethods.PtInRect(ref lprc, lpPoint))
{
return ScrollBarHistTest.BottomArrow;
}
lprc.Top = scrollBarThumb.X;
lprc.Bottom = scrollBarThumb.Y;
if (Win32.NativeMethods.PtInRect(ref lprc, lpPoint))
{
return ScrollBarHistTest.Thumb;
}
return ScrollBarHistTest.Track;
}
return ScrollBarHistTest.None;
}
