コード例 #1
0
ファイル: App.cs プロジェクト: chennanoka/Xamarinforms_sample
		public App()
		{
			usernameentry = new MyEntry ();
			usernameentry.WidthRequest = 100;
			usernameentry.HeightRequest = 40;
			usernameentry.Placeholder="username";
			usernameentry.Top = 10;
			usernameentry.BackgroundColor = Color.Yellow;

			passentry = new MyEntry ();
			passentry.WidthRequest = 100;
			passentry.HeightRequest = 40;
			passentry.Placeholder = "Password";
			passentry.MarginTop = 20; 

			passentry.BackgroundColor = Color.FromRgb (102, 204, 255);


			myStacklayout stacklayout = new myStacklayout ();  
			stacklayout.BackgroundColor=Color.FromRgb (170, 221, 255);
			stacklayout.WidthRequest = 200;
			stacklayout.HeightRequest = 100;
			stacklayout.Top = 200;

			stacklayout.addview (usernameentry);
			stacklayout.addview (passentry);

			relativelayout.addview (stacklayout);  


			okbut = new MyButton ();
			okbut.HeightRequest = 40;
			okbut.WidthRequest = 100;
			okbut.Top = 400;
			okbut.Text="Ok";
			okbut.TextColor=Color.FromRgb (102, 204, 255);
			okbut.BorderColor= Color.FromRgb (102, 204, 255);
			okbut.BorderRadius = 2;
			okbut.BackgroundColor= Color.White;
			okbut.BorderWidth = 1;
			relativelayout.addview (okbut);  
		} 
コード例 #2
0
		public void addview(MyButton but)
		{

			Constraint y=Constraint.RelativeToParent (
				(parent) => { return parent.Height / 2 - but.HeightRequest/2; } );  

			Constraint x=Constraint.RelativeToParent (
				(parent) => { return parent.Width / 2 - but.WidthRequest/2; } ); 

			if (but.Top.HasValue) {  
				y = Constraint.RelativeToParent (
					(parent) => { return but.Top.HasValue?but.Top.Value:0; } );  
			}
			if (but.Left.HasValue) {
				x = Constraint.RelativeToParent (
					(parent) => {
						return but.Left.HasValue ? but.Left.Value : 0;
					});  
			} else {
				x = Constraint.RelativeToParent (
					(parent) => {
						return parent.Width / 2 - but.WidthRequest/2;
					});

			}

			this.Children.Add (but, x, y);
		}