C# WinForm遍历窗体控件的3种方法

1.循环遍历

private void GetControls(Control fatherControl)
{
    Control.ControlCollection sonControls = fatherControl.Controls;
    foreach (Control control in sonControls)
    {
        listBox1.Items.Add(control.Name);
    }
}

结果：能获取到Panel、GroupBox、TabControl等控件
问题：Panel等控件上面的子控件获取不到

2.递归遍历

private void GetControls(Control fatherControl)
{
    Control.ControlCollection sonControls = fatherControl.Controls;
    foreach (Control control in sonControls)
    {
        listBox1.Items.Add(control.Name);
        if (control.Controls != null)
        {
            GetControls(control);
        }
    }
}

结果：能获取到绝大多数控件
问题：Timer、ContextMenuStrip等控件获取不到

3.使用反射

private void GetControls(Control fatherControl)
{
    System.Reflection.FieldInfo[] fieldInfo = this.GetType().GetFields(BindingFlags.NonPublic | BindingFlags.Instance);
    for (int i = 0; i < fieldInfo.Length; i++)
    {
        listBox1.Items.Add(fieldInfo[i].Name);
    }
}

结果：所有控件都被获取到了

DevExpress控件无法使用this.Controls进行遍历，只能通过反射的方法获得，如下代码：

public void SearchBarManager()
{
    Type FormType = this.GetType();
    FieldInfo[] fi = FormType.GetFields(BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.Public);
    foreach (FieldInfo info in fi)
    {
        if (info.FieldType == typeof(DevExpress.XtraBars.BarManager))
        {
            DevExpress.XtraBars.BarManager bar = (info.GetValue(this)) as DevExpress.XtraBars.BarManager;
            foreach (DevExpress.XtraBars.BarItem bi in bar.Items)
            {
                MessageBox.Show(bi.Name);
            }
        }
    }
}

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