internal static void Add(ISystemColorTracker obj)
{
lock (typeof(SystemColorTracker))
{
if (SystemColorTracker.list.Length == SystemColorTracker.count)
{
SystemColorTracker.GarbageCollectList();
}
if (!SystemColorTracker.addedTracker)
{
SystemColorTracker.addedTracker = true;
SystemEvents.UserPreferenceChanged += new UserPreferenceChangedEventHandler(SystemColorTracker.OnUserPreferenceChanged);
}
int local_0 = SystemColorTracker.count;
++SystemColorTracker.count;
if (SystemColorTracker.list[local_0] == null)
{
SystemColorTracker.list[local_0] = new WeakReference((object)obj);
}
else
{
SystemColorTracker.list[local_0].Target = (object)obj;
}
}
}
private static void GarbageCollectList()
{
SystemColorTracker.CleanOutBrokenLinks();
if ((double)SystemColorTracker.count / (double)SystemColorTracker.list.Length <= (double)SystemColorTracker.EXPAND_THRESHOLD)
{
return;
}
WeakReference[] weakReferenceArray = new WeakReference[SystemColorTracker.list.Length * SystemColorTracker.EXPAND_FACTOR];
SystemColorTracker.list.CopyTo((Array)weakReferenceArray, 0);
SystemColorTracker.list = weakReferenceArray;
int length = SystemColorTracker.list.Length;
int num = SystemColorTracker.WARNING_SIZE;
}
public SolidBrush(Color color)
{
_color = color;
IntPtr nativeBrush;
int status = Gdip.GdipCreateSolidFill(_color.ToArgb(), out nativeBrush);
Gdip.CheckStatus(status);
SetNativeBrushInternal(nativeBrush);
if (_color.IsSystemColor)
{
SystemColorTracker.Add(this);
}
}
public Pen(System.Drawing.Color color, float width)
{
this.color = color;
IntPtr zero = IntPtr.Zero;
int status = SafeNativeMethods.Gdip.GdipCreatePen1(color.ToArgb(), width, 0, out zero);
if (status != 0)
{
throw SafeNativeMethods.Gdip.StatusException(status);
}
this.SetNativePen(zero);
if (this.color.IsSystemColor)
{
SystemColorTracker.Add(this);
}
}
public Pen(Color color, float width)
{
this.color = color;
IntPtr pen = IntPtr.Zero;
int pen1 = SafeNativeMethods.Gdip.GdipCreatePen1(color.ToArgb(), width, 0, out pen);
if (pen1 != 0)
{
throw SafeNativeMethods.Gdip.StatusException(pen1);
}
this.SetNativePen(pen);
if (!this.color.IsSystemColor)
{
return;
}
SystemColorTracker.Add((ISystemColorTracker)this);
}
public SolidBrush(System.Drawing.Color color)
{
this.color = System.Drawing.Color.Empty;
this.color = color;
IntPtr zero = IntPtr.Zero;
int status = SafeNativeMethods.Gdip.GdipCreateSolidFill(this.color.ToArgb(), out zero);
if (status != 0)
{
throw SafeNativeMethods.Gdip.StatusException(status);
}
base.SetNativeBrushInternal(zero);
if (color.IsSystemColor)
{
SystemColorTracker.Add(this);
}
}
public SolidBrush(Color color)
{
_color = color;
IntPtr nativeBrush = IntPtr.Zero;
int status = SafeNativeMethods.Gdip.GdipCreateSolidFill(_color.ToArgb(), out nativeBrush);
SafeNativeMethods.Gdip.CheckStatus(status);
SetNativeBrushInternal(nativeBrush);
#if FEATURE_SYSTEM_EVENTS
if (ColorUtil.IsSystemColor(_color))
{
SystemColorTracker.Add(this);
}
#endif
}
public SolidBrush(Color color)
{
this.color = color;
IntPtr brush = IntPtr.Zero;
int status = SafeNativeMethods.Gdip.GdipCreateSolidFill(this.color.ToArgb(), out brush);
if (status != SafeNativeMethods.Gdip.Ok)
{
throw SafeNativeMethods.Gdip.StatusException(status);
}
SetNativeBrushInternal(brush);
if (color.IsSystemColor)
{
SystemColorTracker.Add(this);
}
}
private void _SetColor(Color value)
{
if (immutable)
{
throw new ArgumentException(SR.GetString(SR.CantChangeImmutableObjects, "Pen"));
}
Color oldColor = this.color;
this.color = value;
InternalSetColor(value);
// CONSIDER: We never remove pens from the active list, so if someone is
// changing their pen colors a lot, this could be a problem.
if (value.IsSystemColor && !oldColor.IsSystemColor)
{
SystemColorTracker.Add(this);
}
}
public Pen(Color color, float width)
{
this.color = color;
IntPtr pen = IntPtr.Zero;
int status = SafeNativeMethods.Gdip.GdipCreatePen1(color.ToArgb(),
width,
(int)GraphicsUnit.World,
out pen);
if (status != SafeNativeMethods.Gdip.Ok)
{
throw SafeNativeMethods.Gdip.StatusException(status);
}
SetNativePen(pen);
if (this.color.IsSystemColor)
{
SystemColorTracker.Add(this);
}
}