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treeView1.ExpandAll();
treeview判断点击节点：
private void treeView1_AfterSelect(object sender, TreeViewEventArgs e)
{
if (treeView1.SelectedNode.Name == "节点名")
{
frm_cluster.ShowDialog();
}
｝
treeview 点击已经选过的节点如何触发事件:
private void treeView1_AfterSelect(object sender, TreeViewEventArgs e) { if (treeView1.SelectedNode.Name == "cluster") { frm_cluster.ShowDialog(); } treeView1.SelectedNode = null; }
在AfterSelect事件的末尾处，添加：treeView1.SelectedNode = null;
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原文地址：http://www.cnblogs.com/dpf-10/p/5812097.html
