C#遍历窗体所有控件或某类型所有控件

foreach (Control control in this.Controls)
{
    //遍历后的操作...
    control.Enabled = false;
}

 

遍历窗体所有控件，

 遍历某个panel的所有控件

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

 

遍历所有TextBox类型控件或者所有DateTimePicker控件

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