89 lines
2.6 KiB
C#
89 lines
2.6 KiB
C#
/******************************************************************************
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* SunnyUI 开源控件库、工具类库、扩展类库、多页面开发框架。
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* CopyRight (C) 2012-2020 ShenYongHua(沈永华).
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* QQ群：56829229 QQ：17612584 EMail：SunnyUI@qq.com
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*
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* Blog: https://www.cnblogs.com/yhuse
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* Gitee: https://gitee.com/yhuse/SunnyUI
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* GitHub: https://github.com/yhuse/SunnyUI
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*
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* SunnyUI.dll can be used for free under the GPL-3.0 license.
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* If you use this code, please keep this note.
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* 如果您使用此代码，请保留此说明。
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******************************************************************************
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* 文件名称: UIDatePicker.cs
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* 文件说明: 日期选择框
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* 当前版本: V2.2
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* 创建日期: 2020-01-01
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*
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* 2020-01-01: V2.2.0 增加文件说明
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******************************************************************************/
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using System;
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using System.ComponentModel;
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namespace Sunny.UI
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{
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[ToolboxItem(true)]
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[DefaultProperty("Value")]
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[DefaultEvent("ValueChanged")]
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public sealed partial class UIDatePicker : UIDropControl
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{
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public delegate void OnDateTimeChanged(object sender, DateTime value);
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public UIDatePicker()
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{
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InitializeComponent();
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Value = DateTime.Now;
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}
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public event OnDateTimeChanged ValueChanged;
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protected override void ItemForm_ValueChanged(object sender, object value)
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{
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Value = (DateTime)value;
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Text = Value.ToString(dateFormat);
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Invalidate();
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ValueChanged?.Invoke(this, Value);
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}
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private readonly UIDateItem item = new UIDateItem();
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protected override void CreateInstance()
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{
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ItemForm = new UIDropDown(item);
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}
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public DateTime Value
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{
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get => item.Date;
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set
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{
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if (value< new DateTime(1753,1,1))
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value = new DateTime(1753,1,1);
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Text = value.ToString(dateFormat);
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item.Date = value;
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}
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}
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private void UIDatetimePicker_ButtonClick(object sender, EventArgs e)
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{
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item.Date = Value;
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ItemForm.Show(this);
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}
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private string dateFormat = "yyyy-MM-dd";
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[Description("日期格式化掩码"), Category("自定义")]
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[DefaultValue("yyyy-MM-dd")]
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public string DateFormat
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{
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get => dateFormat;
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set
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{
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dateFormat = value;
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Text = Value.ToString(dateFormat);
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}
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}
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}
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} |