/// <summary>/// 根據(jù)指定容器和控件名字，獲得控件/// </summary>/// <param name="obj">容器</param>/// <param name="strControlName">控件名字</param>/// <returns>控件</returns>private object GetControlInstance(object obj,string strControlName){ IEnumerator Controls = null;//所有控件 Control c = null;//當(dāng)前控件 Object cResult=null;//查找結(jié)果 if(obj.GetType() == this.GetType())//窗體 { Controls = this.Controls.GetEnumerator(); } else//控件 { Controls = ((Control)obj).Controls.GetEnumerator(); } while(Controls.MoveNext())//遍歷操作 { c = (Control)Controls.Current;//當(dāng)前控件 if(c.HasChildren)//當(dāng)前控件是個(gè)容器 {  cResult = GetControlInstance(c,strControlName);//遞歸查找  if(cResult==null)//當(dāng)前容器中沒(méi)有，跳出，繼續(xù)查找  continue;  else//找到控件，返回  return cResult; } else if(c.Name == strControlName)//不是容器，同時(shí)找到控件，返回 {  return c; } } return null;//控件不存在}

((Button) GetControlInstance(this,"button7")).BackColor = Color.Red;((Button) GetControlInstance(this.groupBox4,"button7")).PerformClick();