/// <summary>
/// Value converter to convert a datetime object to the specified string format.
/// If the format is not specified, it will be converted to short date string "12/31/2011"
/// </summary>
[ValueConversion(
typeof(DateTime),
typeof(
string))]
public class CalendarConverter : IValueConverter
{
#region IValueConverter Members
/// <summary>
/// Implement the ConvertBack method of IValueConverter. Converts DateTime object to specified format
/// </summary>
/// <param name="value">The DateTime value we're converting</param>
/// <param name="targetType">Not used</param>
/// <param name="parameter">String format to convert to (optional)</param>
/// <param name="culture">Not used</param>
/// <returns>Collapsed if value is true, else Visible</returns>
public object ConvertBack(
object value, Type targetType,
object parameter, System.Globalization.CultureInfo culture)
{
DateTime date =
(DateTime)value;
string param = parameter
as string;
return string.IsNullOrEmpty(param) ?
date.ToShortDateString() : date.ToString(param);
}
/// <summary>
/// Implement the Convert method of IValueConverter. Converts a string representation of a date to DateTime
/// </summary>
/// <param name="value">The visibility value to convert to a boolean.</param>
/// <param name="targetType">Not used</param>
/// <param name="parameter">Not used</param>
/// <param name="culture">Not used</param>
/// <returns>false if Visible, else true</returns>
public object Convert(
object value, Type targetType,
object parameter, System.Globalization.CultureInfo culture)
{
string dateString = (
string)value;
DateTime resultDateTime;
if (DateTime.TryParse(dateString,
out resultDateTime))
return resultDateTime;
return DateTime.Now;
}
#endregion
}
调用:
<!--TextBox自定义下拉日历-->
<!--<TextBox x:Name="datePick" Text="Choose Date" VerticalContentAlignment="Center" Margin="34.4,12,162.4,18" Height="30" Foreground="#FF333333" Grid.Column="2" Grid.Row="0" VerticalAlignment="Center" Width="180" Grid.RowSpan="2" />-->
转载于:https://www.cnblogs.com/siyunianhua/p/11310559.html
相关资源：wpf支持时间日期控件
