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本文展示了时间挑选控件的用法可以挑选日期和时间两种：

首先需要将dateTimePicker2的format设定为time格式，然后再form_load中初始化：

private void Form1_Load(object sender, EventArgs e){//-----------------------------dateTimePicker1.Format = DateTimePickerFormat.Custom;dateTimePicker1.CustomFormat = "yyyy-MM-dd";dateTimePicker2.Format = DateTimePickerFormat.Custom;dateTimePicker2.CustomFormat = "HH:mm:ss";dateTimePicker2.ShowUpDown = true;//---------------------------------toolStripStatusLabel1.Text = DateTime.Now.ToString("yyyy - MM - dd HH:mm:ss");}

然后在控件事件中添加对应代码：

private void dateTimePicker1_ValueChanged(object sender, EventArgs e){label1.Text = dateTimePicker1.Text + " " + dateTimePicker2.Text;}private void dateTimePicker2_ValueChanged(object sender, EventArgs e){label1.Text = dateTimePicker1.Text + " " + dateTimePicker2.Text;}