创建自定义大小的视图Xamarin.iOS
我在Xamarin中创建了一个带有支持类的视图,我想知道是否可以创建一个CGRect大小的该类的实例。我现在有以下代码:创建自定义大小的视图Xamarin.iOS,ios,uiview,xamarin.ios,Ios,Uiview,Xamarin.ios,我在Xamarin中创建了一个带有支持类的视图,我想知道是否可以创建一个CGRect大小的该类的实例。我现在有以下代码: using System; using CoreGraphics; using Foundation; using UIKit; namespace SimpleScroll.iOS { public partial class ViewController : UIViewController { public ViewController
using System;
using CoreGraphics;
using Foundation;
using UIKit;
namespace SimpleScroll.iOS
{
public partial class ViewController : UIViewController
{
public ViewController(IntPtr handle) : base(handle)
{
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
// Perform any additional setup after loading the view, typically from a nib.
// UIScrollView with same width and height as ViewController
var mainScrollView = new UIScrollView(new CGRect(0, 0, this.View.Frame.Size.Width, this.View.Frame.Size.Height));
// Enable pagination and set other attributes
mainScrollView.PagingEnabled = true;
mainScrollView.ShowsVerticalScrollIndicator = false;
mainScrollView.ShowsHorizontalScrollIndicator = false;
mainScrollView.Bounces = false;
int numberOfViews = 2;
for (int i = 0; i < numberOfViews; i++)
{
nfloat xOrigin = i * this.View.Frame.Size.Width;
var subView = new UIView(new CGRect(xOrigin, 0, this.View.Frame.Size.Width, this.View.Frame.Size.Height));
subView.BackgroundColor = UIColor.FromRGBA(0.5f / i, 0.5f, 0.5f, 1);
mainScrollView.AddSubview(subView);
}
mainScrollView.ContentSize = new CGSize(this.View.Frame.Size.Width * numberOfViews, this.View.Frame.Size.Height);
this.View.AddSubview(mainScrollView);
}
public override void DidReceiveMemoryWarning()
{
base.DidReceiveMemoryWarning();
// Release any cached data, images, etc that aren't in use.
}
}
}
而不是var subView=new UIViewnew CGRectxOrigin,0,this.View.Frame.Size.Width,this.View.Frame.Size.Height;,我能用我自己创建的菜单类做同样的事情吗?我怎样才能给菜单赋予它自己的构造函数,这样我就可以按照,var subView=new Menunew CGRect 只需将uiview子类化并重写框架构造函数即可
[Foundation.Register("Menu")]
public class Menu : UIView
{
public Menu(CGRect frame) : base(frame)
{
}
}
然后在里面写:返回新菜单新的CGRect。。。;?不,不是在新类中,而是在使用它的地方替换新UIView。。。有了新菜单…非常感谢