C#遍歷窗體所有控件或某類型所有控件

//遍歷窗體所有控件，
foreach (Control control in this.Controls)
{
    //遍歷后的操作...
    control.Enabled = false;
}

 遍歷某個panel的所有控件

foreach (Control control in this.panel4.Controls)
{
    control.Enabled = false;
}

 

遍歷所有TextBox類型控件或者所有DateTimePicker控件

foreach (Control control in this.Controls)
{
　　//遍歷所有TextBox... if (control is TextBox)
    {
        TextBox t = (TextBox)control;
        t.Enabled = false;
    }
　　//遍歷所有DateTimePicker... if (control is DateTimePicker)
    {
        DateTimePicker d = (DateTimePicker)control;
        d.Enabled = false;
    }
}