public UIImage Capture()
{
// This is from: https://developer.apple.com/library/ios/#qa/qa2010/qa1703.html
var selScreen = new Selector ("screen");
var size = Bounds.Size;
UIGraphics.BeginImageContextWithOptions (size, false, 0);
try {
var context = UIGraphics.GetCurrentContext ();
foreach (var window in UIApplication.SharedApplication.Windows) {
if (window.RespondsToSelector (selScreen) && window.Screen != this)
continue;
context.SaveState ();
context.TranslateCTM (window.Center.X, window.Center.Y);
context.ConcatCTM (window.Transform);
context.TranslateCTM (-window.Bounds.Size.Width * window.Layer.AnchorPoint.X, -window.Bounds.Size.Height * window.Layer.AnchorPoint.Y);
window.Layer.RenderInContext (context);
context.RestoreState ();
}
return UIGraphics.GetImageFromCurrentImageContext ();
} finally {
UIGraphics.EndImageContext ();
}
}
IntPtr InitNSThread(NSObject target, Selector selector, NSObject argument)
{
if (target == null)
throw new ArgumentNullException ("target");
if (selector == null)
throw new ArgumentNullException ("selector");
return xamarin_init_nsthread (IsDirectBinding ? this.Handle : this.SuperHandle, IsDirectBinding, target.Handle, selector.Handle, argument == null ? IntPtr.Zero : argument.Handle);
}
public void AddObserver(NSObject observer, Selector aSelector, string aName, string anObject)
{
}
internal UIAccessibilityCustomAction(string name, Selector sel, FuncBoolDispatcher disp)
: this(name, disp, sel)
{
action = disp;
MarkDirty ();
}
static extern void NSShowAnimationEffect(nuint animationEffect, CGPoint centerLocation, CGSize size, NSObject animationDelegate, Selector didEndSelector, IntPtr contextInfo);
public static void ShowAnimationEffect(NSAnimationEffect animationEffect, CGPoint centerLocation, CGSize size, NSObject animationDelegate, Selector didEndSelector, IntPtr contextInfo)
{
NSShowAnimationEffect ((nuint)(ulong)animationEffect, centerLocation, size, animationDelegate, didEndSelector, contextInfo);
}
public NSThread(NSObject target, Selector selector, NSObject argument)
: base()
{
Handle = InitNSThread (target, selector, argument);
}
public void AddObserver(NSObject observer, Selector aSelector, string aname, NSObject anObject)
{
AddObserver (observer, aSelector, new NSString (aname), anObject);
}
XamCore.CoreAnimation.CADisplayLink DisplayLink(NSObject target, Selector sel)
{
return CreateDisplayLink (target, sel);
}
public virtual void PerformSelector (Selector sel, NSObject obj, float delay)
{
PerformSelector (sel, obj, (double) delay);
}
//
// Signature swapped, this is only used so we can store the "token" in recognizers
//
public UIGestureRecognizer(Selector sel, Token token)
: this(token, sel)
{
recognizers = token;
MarkDirty ();
}
