我有一 tree树。 我想,、,在 no倒/扩大后,不会改变其形象。 我如何能够这样做?
不幸的是,树木 Nodet 拥有诸如扩大NodeImage、ColapseNodeImage等财产
树木电文常常会发生变化,因此可以删除/添加。 i) 删除儿童节点。
或许还有扩大AndCollapseNode等类别?
我有一 tree树。 我想,、,在 no倒/扩大后,不会改变其形象。 我如何能够这样做?
不幸的是,树木 Nodet 拥有诸如扩大NodeImage、ColapseNodeImage等财产
树木电文常常会发生变化,因此可以删除/添加。 i) 删除儿童节点。
或许还有扩大AndCollapseNode等类别?
页: 1 在阁下的温恩图上添加“形象控制”。
页: 1 根据用户与树木观测(如扩大或吸收节点)的操作时间所做的情况,将图像List与你希望改变/展示的图片/缩略。
页: 1 将《图像法》管制转让给《意见》树木的图像法财产
此时此刻,您可能想先通过树木电文,假定该电文是有人居住的,然后把诺德划入。 图像内得财产指图像......在图像法中......你希望根据是否有子女或是否有子女而使用。
4) 如果用户扩大诺德,例如,你可以使用“火 Tree”前活动来改变诺德的画面:就这样说:在这种情况下,我们使用图象中的图像指数:
private void treeView1_BeforeExpand(object sender, TreeViewCancelEventArgs e)
{
e.Node.ImageIndex = 3;
}
5)你也可以通过使用图像Key财产来塑造诺德的形象,因为图象是图象的拼写名称。
6) 有许多其他可能的诺德图像变种: 图Index and Selected 图像: 你们也可以改变在选举前、选举后和展期之前的诺德画面,视你之后的影响而定。
BeforeCollapse
BeforeExpand
AfterCollapse
AfterExpand
既使用图像,又使用; 图表:
private void treeView_BeforeExpand(object sender, TreeViewCancelEventArgs e)
{
e.Node.ImageIndex = 1;
e.Node.SelectedImageIndex = 1;
}
树木电文有以下事件,在 no子瓦解/扩散时将发射。
BeforeCollapse
BeforeExpand
AfterCollapse
AfterExpand
更好地利用:
treeNode.SelectedImageIndex = 1;
你可以利用这些活动 在Collapse &之后; 扩大后(在树木电文上有色),以改变 no的形象。
您可以使用“火 the”投入参数:
private void treeView1_AfterCollapse(object sender, TreeViewEventArgs e)
{
e.Node.ImageIndex = 1;
}
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