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// Jérémie Laval <jeremie.laval@xamarin.com>
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// Copyright (c) 2012 Xamarin, Inc.
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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public enum DatePickerStyle {
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public class DatePicker : Widget
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protected new class WidgetBackendHost: Widget.WidgetBackendHost, IDatePickerEventSink
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public void ValueChanged ()
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((DatePicker)Parent).OnValueChanged (EventArgs.Empty);
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IDatePickerBackend Backend {
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get { return (IDatePickerBackend) BackendHost.Backend; }
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protected override BackendHost CreateBackendHost ()
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return new WidgetBackendHost ();
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public DateTime DateTime {
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return Backend.DateTime;
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Backend.DateTime = value;
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public DatePickerStyle Style {
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protected virtual void OnValueChanged (EventArgs e)
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if (valueChanged != null)
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valueChanged (this, e);
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EventHandler valueChanged;
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public event EventHandler ValueChanged {
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BackendHost.OnBeforeEventAdd (DatePickerEvent.ValueChanged, valueChanged);
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valueChanged += value;
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valueChanged -= value;
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BackendHost.OnAfterEventRemove (DatePickerEvent.ValueChanged, valueChanged);