本文整理汇总了C#中Xwt.Backends.ApplicationContext.InvokeUserCode方法的典型用法代码示例。如果您正苦于以下问题：C# ApplicationContext.InvokeUserCode方法的具体用法？C# ApplicationContext.InvokeUserCode怎么用？C# ApplicationContext.InvokeUserCode使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Xwt.Backends.ApplicationContext的用法示例。
在下文中一共展示了ApplicationContext.InvokeUserCode方法的6个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: MacMenuButton
public MacMenuButton (IMenuButtonEventSink eventSink, ApplicationContext context)
{
this.eventSink = eventSink;
this.context = context;
PullsDown = true;
Activated += delegate {
context.InvokeUserCode (delegate {
eventSink.OnClicked ();
});
};
NSNotificationCenter.DefaultCenter.AddObserver ("NSPopUpButtonWillPopUpNotification", CreateMenu, this);
AddItem ("");
}示例2: Draw
public void Draw(ApplicationContext actx, SWM.DrawingContext dc, double scaleFactor, double x, double y, ImageDescription idesc)
{
if (drawCallback != null) {
DrawingContext c = new DrawingContext (dc, scaleFactor);
actx.InvokeUserCode (delegate {
drawCallback (c, new Rectangle (x, y, idesc.Size.Width, idesc.Size.Height), idesc, actx.Toolkit);
});
}
else {
if (idesc.Alpha < 1)
dc.PushOpacity (idesc.Alpha);
var f = GetBestFrame (actx, scaleFactor, idesc.Size.Width, idesc.Size.Height, false);
var bmpImage = f as BitmapSource;
// When an image is a single bitmap that doesn't have the same intrinsic size as the drawing size, dc.DrawImage makes a very poor job of down/up scaling it.
// Thus we handle this manually by using a TransformedBitmap to handle the conversion in a better way when it's needed.
var scaledWidth = idesc.Size.Width * scaleFactor;
var scaledHeight = idesc.Size.Height * scaleFactor;
if (bmpImage != null && (Math.Abs (bmpImage.PixelHeight - scaledHeight) > 0.001 || Math.Abs (bmpImage.PixelWidth - scaledWidth) > 0.001))
f = new TransformedBitmap (bmpImage, new ScaleTransform (scaledWidth / bmpImage.PixelWidth, scaledHeight / bmpImage.PixelHeight));
dc.DrawImage (f, new Rect (x, y, idesc.Size.Width, idesc.Size.Height));
if (idesc.Alpha < 1)
dc.Pop ();
}
}示例3: Draw
public void Draw(ApplicationContext actx, SWM.DrawingContext dc, double scaleFactor, double x, double y, ImageDescription idesc)
{
if (drawCallback != null) {
DrawingContext c = new DrawingContext (dc, scaleFactor);
actx.InvokeUserCode (delegate {
drawCallback (c, new Rectangle (x, y, idesc.Size.Width, idesc.Size.Height));
});
}
else {
if (idesc.Alpha < 1)
dc.PushOpacity (idesc.Alpha);
var f = GetBestFrame (actx, scaleFactor, idesc.Size.Width, idesc.Size.Height, false);
dc.DrawImage (f, new Rect (x, y, idesc.Size.Width, idesc.Size.Height));
if (idesc.Alpha < 1)
dc.Pop ();
}
}示例4: Draw
public void Draw (ApplicationContext actx, Cairo.Context ctx, double scaleFactor, double x, double y, ImageDescription idesc)
{
if (stockId != null) {
ImageFrame frame = null;
if (frames != null)
frame = frames.FirstOrDefault (f => f.Width == (int) idesc.Size.Width && f.Height == (int) idesc.Size.Height && f.Scale == scaleFactor);
if (frame == null) {
frame = new ImageFrame (ImageHandler.CreateBitmap (stockId, idesc.Size.Width, idesc.Size.Height, scaleFactor), (int)idesc.Size.Width, (int)idesc.Size.Height, false);
frame.Scale = scaleFactor;
AddFrame (frame);
}
DrawPixbuf (ctx, frame.Pixbuf, x, y, idesc);
}
else if (drawCallback != null) {
CairoContextBackend c = new CairoContextBackend (scaleFactor) {
Context = ctx
};
if (actx != null) {
actx.InvokeUserCode (delegate {
drawCallback (c, new Rectangle (x, y, idesc.Size.Width, idesc.Size.Height));
});
} else
drawCallback (c, new Rectangle (x, y, idesc.Size.Width, idesc.Size.Height));
}
else {
DrawPixbuf (ctx, GetBestFrame (actx, scaleFactor, idesc.Size.Width, idesc.Size.Height, false), x, y, idesc);
}
}示例5: Draw
public void Draw (ApplicationContext actx, SWM.DrawingContext dc, double scaleFactor, double x, double y, ImageDescription idesc)
{
if (drawCallback != null) {
DrawingContext c = new DrawingContext (dc, scaleFactor);
actx.InvokeUserCode (delegate {
drawCallback (c, new Rectangle (x, y, idesc.Size.Width, idesc.Size.Height));
});
}
else {
if (idesc.Alpha < 1)
dc.PushOpacity (idesc.Alpha);
var f = GetBestFrame (actx, scaleFactor, idesc.Size.Width, idesc.Size.Height, false);
var bmpImage = f as BitmapSource;
if (bmpImage != null && (bmpImage.PixelHeight != idesc.Size.Height || bmpImage.PixelWidth != idesc.Size.Width))
f = new TransformedBitmap (bmpImage, new ScaleTransform (idesc.Size.Width / bmpImage.PixelWidth, idesc.Size.Height / bmpImage.PixelHeight));
dc.DrawImage (f, new Rect (x, y, idesc.Size.Width, idesc.Size.Height));
if (idesc.Alpha < 1)
dc.Pop ();
}
}示例6: Draw
public void Draw(ApplicationContext actx, Cairo.Context ctx, double scaleFactor, double x, double y, ImageDescription idesc)
{
if (stockId != null) {
Gdk.Pixbuf img = null;
if (frames != null)
img = frames.FirstOrDefault (p => p.Width == (int) idesc.Size.Width && p.Height == (int) idesc.Size.Height);
if (img == null) {
img = ImageHandler.CreateBitmap (stockId, idesc.Size.Width, idesc.Size.Height);
AddFrame (img);
}
DrawPixbuf (ctx, img, x, y, idesc);
}
else if (drawCallback != null) {
CairoContextBackend c = new CairoContextBackend (scaleFactor) {
Context = ctx
};
actx.InvokeUserCode (delegate {
drawCallback (c, new Rectangle (x, y, idesc.Size.Width, idesc.Size.Height));
});
}
else {
DrawPixbuf (ctx, GetBestFrame (actx, scaleFactor, idesc.Size.Width, idesc.Size.Height, false), x, y, idesc);
}
}