示例#1
0
        nfloat GetVerticalPosition(CGRect presentedViewFrame)
        {
            var containerFrame = ContainerView.Bounds;

            if (_dlgView.UseCurrentPageLocation)
            {
                containerFrame = Dialogs.GetCurrentPageRect(ContainerView);
            }
            switch (_dlgView.VerticalLayoutAlignment)
            {
            case Xamarin.Forms.LayoutAlignment.Start:
                return(containerFrame.Top);

            case Xamarin.Forms.LayoutAlignment.End:
                return((nfloat)(containerFrame.Bottom - _dlgView.Bounds.Height));

            default:
                return(containerFrame.Size.Height / 2f - presentedViewFrame.Size.Height / 2f + containerFrame.Top);
            }
        }