protected ScrollBar(ScrollBarOrientation orientation)
{
this._scrollBarOrientation = orientation;
this._mouseTimer = new Timer();
this._mouseTimer.Tick += new EventHandler(this.MouseTimerTick);
this._mouseTimer.Interval = 100;
this._mouseTimer.Enabled = false;
this._clickAction = ScrollBarHitRegion.None;
this._minimum = 0;
this._maximum = 100;
this._largeChange = 10;
this._smallChange = 1;
this._value = 0;
this._arrowButtonsLayout = ScrollBarArrowButtonsLayout.Edges;
this._leftUpButton = null;
this._leftUpButtonHighlight = null;
this._leftUpButtonDisabled = null;
this._leftUpButtonSize = 0x13;
this._rightDownButton = null;
this._rightDownButtonHighlight = null;
this._rightDownButtonDisabled = null;
this._rightDownButtonSize = 0x13;
this._lowTrack = null;
this._lowTrackHighlight = null;
this._lowTrackDisabled = null;
this._highTrack = null;
this._highTrackHighlight = null;
this._highTrackDisabled = null;
this._trackClickBehavior = ScrollBarTrackClickBehavior.Scroll;
this._thumb = null;
this._thumbHighlight = null;
this._thumbDisabled = null;
this._minimumThumbSize = 11;
this._maximumThumbSize = 0;
this._thumbMargins = new MarginPadding();
this._extension = null;
this._extensionSize = 13;
this._extensionLocation = ScrollBarExtensionLocation.LeftTop;
this._extensionVisible = true;
this._backgroundBufferBitmap = null;
this._backgroundBufferGraphics = null;
this._backgroundValid = BackgroundValid.Invalid;
this._backBufferBitmap = null;
this._backBufferGraphics = null;
this.DrawTrack = null;
this.DrawArrowButton = null;
this.DrawThumb = null;
this.ValueChanged = null;
this.MinimumReached = null;
this.MaximumReached = null;
}
protected override void Dispose(bool disposing)
{
if (disposing)
{
if (this._leftUpButton != null)
{
this._leftUpButton.PropertyChanged -= new EventHandler(this.LeftUpButton_PropertyChanged);
}
if (this._leftUpButtonHighlight != null)
{
this._leftUpButtonHighlight.PropertyChanged -= new EventHandler(this.LeftUpButton_PropertyChanged);
}
if (this._leftUpButtonDisabled != null)
{
this._leftUpButtonDisabled.PropertyChanged -= new EventHandler(this.LeftUpButton_PropertyChanged);
}
if (this._rightDownButton != null)
{
this._rightDownButton.PropertyChanged -= new EventHandler(this.RightDownButton_PropertyChanged);
}
if (this._rightDownButtonHighlight != null)
{
this._rightDownButtonHighlight.PropertyChanged -= new EventHandler(this.RightDownButton_PropertyChanged);
}
if (this._rightDownButtonDisabled != null)
{
this._rightDownButtonDisabled.PropertyChanged -= new EventHandler(this.RightDownButton_PropertyChanged);
}
if (this._lowTrack != null)
{
this._lowTrack.PropertyChanged -= new EventHandler(this.LowTrack_PropertyChanged);
}
if (this._lowTrackHighlight != null)
{
this._lowTrackHighlight.PropertyChanged -= new EventHandler(this.LowTrack_PropertyChanged);
}
if (this._lowTrackDisabled != null)
{
this._lowTrackDisabled.PropertyChanged -= new EventHandler(this.LowTrack_PropertyChanged);
}
if (this._highTrack != null)
{
this._highTrack.PropertyChanged -= new EventHandler(this.HighTrack_PropertyChanged);
}
if (this._highTrackHighlight != null)
{
this._highTrackHighlight.PropertyChanged -= new EventHandler(this.HighTrack_PropertyChanged);
}
if (this._highTrackDisabled != null)
{
this._highTrackDisabled.PropertyChanged -= new EventHandler(this.HighTrack_PropertyChanged);
}
if (this._thumb != null)
{
this._thumb.PropertyChanged -= new EventHandler(this.Thumb_PropertyChanged);
}
if (this._thumbHighlight != null)
{
this._thumbHighlight.PropertyChanged -= new EventHandler(this.Thumb_PropertyChanged);
}
if (this._thumbDisabled != null)
{
this._thumbDisabled.PropertyChanged -= new EventHandler(this.Thumb_PropertyChanged);
}
if (this._extension != null)
{
this._extension.PropertyChanged -= new ScrollBarExtensionBase.PropertyChangedHandler(this.Extension_PropertyChanged);
this.ValueChanged = (EventHandler) Delegate.Remove(this.ValueChanged, new EventHandler(this._extension.ScrollBar_ValueChanged));
this._extension.Parent = null;
}
if (this._mouseTimer != null)
{
this._mouseTimer.Enabled = false;
this._mouseTimer.Dispose();
}
if (_cachedPen != null)
{
_cachedPen.Dispose();
}
if (_cachedSolidBrush != null)
{
_cachedSolidBrush.Dispose();
}
if (_fakePixel != null)
{
_fakePixel.Dispose();
}
if (_helperRegion != null)
{
_helperRegion.Dispose();
}
if (this._backgroundBufferGraphics != null)
{
this._backgroundBufferGraphics.Dispose();
}
if (this._backgroundBufferBitmap != null)
{
this._backgroundBufferBitmap.Dispose();
}
if (this._backBufferGraphics != null)
{
this._backBufferGraphics.Dispose();
}
if (this._backBufferBitmap != null)
{
this._backBufferBitmap.Dispose();
}
}
this._leftUpButton = null;
this._leftUpButtonHighlight = null;
this._leftUpButtonDisabled = null;
this._rightDownButton = null;
this._rightDownButtonHighlight = null;
this._rightDownButtonDisabled = null;
this._lowTrack = null;
this._lowTrackHighlight = null;
this._lowTrackDisabled = null;
this._highTrack = null;
this._highTrackHighlight = null;
this._highTrackDisabled = null;
this._thumb = null;
this._thumbHighlight = null;
this._thumbDisabled = null;
this._mouseTimer = null;
_cachedPen = null;
_cachedSolidBrush = null;
_fakePixel = null;
_helperRegion = null;
this._backgroundBufferBitmap = null;
this._backgroundBufferGraphics = null;
this._backBufferGraphics = null;
this._backBufferBitmap = null;
base.Dispose(disposing);
}