private bool ApplyScrollbarChanges(Rectangle display)
{
bool flag = false;
bool horiz = false;
bool vert = false;
Rectangle clientRectangle = base.ClientRectangle;
Rectangle rectangle3 = clientRectangle;
if (this.HScroll)
{
clientRectangle.Height += SystemInformation.HorizontalScrollBarHeight;
}
else
{
rectangle3.Height -= SystemInformation.HorizontalScrollBarHeight;
}
if (this.VScroll)
{
clientRectangle.Width += SystemInformation.VerticalScrollBarWidth;
}
else
{
rectangle3.Width -= SystemInformation.VerticalScrollBarWidth;
}
int width = rectangle3.Width;
int height = rectangle3.Height;
if (base.Controls.Count != 0)
{
this.scrollMargin = this.requestedScrollMargin;
if (this.dockPadding != null)
{
this.scrollMargin.Height += base.Padding.Bottom;
this.scrollMargin.Width += base.Padding.Right;
}
for (int i = 0; i < base.Controls.Count; i++)
{
Control control = base.Controls[i];
if ((control != null) && control.GetState(2))
{
switch (control.Dock)
{
case DockStyle.Bottom:
this.scrollMargin.Height += control.Size.Height;
break;
case DockStyle.Right:
this.scrollMargin.Width += control.Size.Width;
break;
}
}
}
}
if (!this.userAutoScrollMinSize.IsEmpty)
{
width = this.userAutoScrollMinSize.Width + this.scrollMargin.Width;
height = this.userAutoScrollMinSize.Height + this.scrollMargin.Height;
horiz = true;
vert = true;
}
bool flag4 = this.LayoutEngine == DefaultLayout.Instance;
if (!flag4 && CommonProperties.HasLayoutBounds(this))
{
Size layoutBounds = CommonProperties.GetLayoutBounds(this);
if (layoutBounds.Width > width)
{
horiz = true;
width = layoutBounds.Width;
}
if (layoutBounds.Height > height)
{
vert = true;
height = layoutBounds.Height;
}
}
else if (base.Controls.Count != 0)
{
for (int j = 0; j < base.Controls.Count; j++)
{
bool flag5 = true;
bool flag6 = true;
Control control2 = base.Controls[j];
if ((control2 == null) || !control2.GetState(2))
{
continue;
}
if (flag4)
{
Control control3 = control2;
switch (control3.Dock)
{
case DockStyle.Top:
flag5 = false;
goto Label_02DD;
case DockStyle.Bottom:
case DockStyle.Right:
case DockStyle.Fill:
flag5 = false;
flag6 = false;
goto Label_02DD;
case DockStyle.Left:
flag6 = false;
goto Label_02DD;
}
AnchorStyles anchor = control3.Anchor;
if ((anchor & AnchorStyles.Right) == AnchorStyles.Right)
{
flag5 = false;
}
if ((anchor & AnchorStyles.Left) != AnchorStyles.Left)
{
flag5 = false;
}
if ((anchor & AnchorStyles.Bottom) == AnchorStyles.Bottom)
{
flag6 = false;
}
if ((anchor & AnchorStyles.Top) != AnchorStyles.Top)
{
flag6 = false;
}
}
Label_02DD:
if (flag5 || flag6)
{
Rectangle bounds = control2.Bounds;
int num5 = ((-display.X + bounds.X) + bounds.Width) + this.scrollMargin.Width;
int num6 = ((-display.Y + bounds.Y) + bounds.Height) + this.scrollMargin.Height;
if (!flag4)
{
num5 += control2.Margin.Right;
num6 += control2.Margin.Bottom;
}
if ((num5 > width) && flag5)
{
horiz = true;
width = num5;
}
if ((num6 > height) && flag6)
{
vert = true;
height = num6;
}
}
}
}
if (width <= clientRectangle.Width)
{
horiz = false;
}
if (height <= clientRectangle.Height)
{
vert = false;
}
Rectangle rectangle5 = clientRectangle;
if (horiz)
{
rectangle5.Height -= SystemInformation.HorizontalScrollBarHeight;
}
if (vert)
{
rectangle5.Width -= SystemInformation.VerticalScrollBarWidth;
}
if (horiz && (height > rectangle5.Height))
{
vert = true;
}
if (vert && (width > rectangle5.Width))
{
horiz = true;
}
if (!horiz)
{
width = rectangle5.Width;
}
if (!vert)
{
height = rectangle5.Height;
}
flag = this.SetVisibleScrollbars(horiz, vert) || flag;
if (this.HScroll || this.VScroll)
{
flag = this.SetDisplayRectangleSize(width, height) || flag;
}
else
{
this.SetDisplayRectangleSize(width, height);
}
this.SyncScrollbars(true);
return(flag);
}