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

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;

　　　　 }

if (cl is CheckBox)

{

Label lab = cl as Label;

lab.Enabled = false;//在这里设置

}

}

1. foreach (System.Windows.Forms.Control control in this.Controls)//遍历Form上的所有控件
2. {
3. if (control is System.Windows.Forms.PictureBox)
4. {
5. System.Windows.Forms.PictureBox pb = (System.Windows.Forms.PictureBox)control;
6. pb.AllowDrop = true;
7. }
8. }