[求助]通过单击节点在父窗体中打开了几个子窗体,如何做到我选中节点后对应的子窗体
-节点0---A
---B
---C
选中节点A,弹出FORM1
选中节点B,弹出FORM2
选中节点C,弹出FORM3
三个窗体都在父窗体中打开,当我选中节点A时,如何使FORM1最前??
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