c# winform 循环遍历界面上的所有控件，foreach，Controls，AllowDrop

感谢小板儿砖和小利

foreach (System.Windows.Forms.Control control in this.groupBox2.Controls)//遍历groupBox2上的所有控件
   {
    if (control is System.Windows.Forms.PictureBox)
    {
     System.Windows.Forms.PictureBox pb = (System.Windows.Forms.PictureBox)control;
     pb.AllowDrop = true;
    }
   }

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foreach (System.Windows.Forms.Control control in this.Controls)//遍历Form上的所有控件
   {
    if (control is System.Windows.Forms.PictureBox)
    {
     System.Windows.Forms.PictureBox pb = (System.Windows.Forms.PictureBox)control;
     pb.AllowDrop = true;
    }
   }

 

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