foreach (var item in this.Controls)
{
    Button btn;
    if ((btn = item as Button) != null)
    {
        btn.Text = "...";
    }
}

------解决方案--------------------
探讨

引用:

漏了个地方
C# code
foreach (var item in this.Controls)
{
Button btn;
if ((btn = item as Button) != null)
{
btn.Text = "...";
}
}


怎样查看控件是否成功修改属性名称了？我把以上代码放到构造函数里，然后重新生成解决方案，再查看b……