在禁用时更改winform datetime选择器的字体颜色

using System;
using System.Drawing;
using System.Windows.Forms;

public class CustomDateTimePicker : DateTimePicker
{
    private Color disabledForeColor = Color.Gray; // 自定义禁用状态下的字体颜色

    protected override void OnEnabledChanged(EventArgs e)
    {
        base.OnEnabledChanged(e);

        if (!Enabled)
        {
            ForeColor = disabledForeColor;
        }
        else
        {
            // 恢复默认字体颜色
            ForeColor = SystemColors.ControlText;
        }
    }
}

CustomDateTimePicker customDateTimePicker = new CustomDateTimePicker();