所以我的文档中,它说:如何使用事件来使某个方法运行?
公共事件TreeViewPlusNodeCheckedEventHandler NodeChecked()
您可以使用此事件来运行引起的方法来运行每当一个节点 复选框是在检查树。
那么如何添加一个方法到我的代码后面的文件,将在节点检查时运行?我想运行的方法是:
protected void TOCNodeCheckedServer(object sender, TreeViewPlusNodeEventArgs args)
{
TreeViewPlusNode aNode = args.Node;
if (!aNode.Checked)
return;
List<string> BaseLayers = new List<string>();
_arcTOCConfig.BaseDataLayers.CopyTo(BaseLayers);
List<MapResourceItem> mapResources = new List<MapResourceItem>();
if (BaseLayers.Contains(aNode.Text))
{
foreach (BaseDataLayerElement anEl in _arcTOCConfig.BaseDataLayers)
{
if (!aNode.Text.Equals(anEl.Name))
{
if (aNode.TreeViewPlus.Nodes.FindByValue(anEl.Name).Checked)
{
aNode.TreeViewPlus.Nodes.FindByValue(anEl.Name).Checked = false;
aNode.TreeViewPlus.Nodes.FindByValue(anEl.Name).Refresh();
MapResourceItem aMapResource = this.Map1.MapResourceManagerInstance.ResourceItems.Find(anEl.Name);
aMapResource.DisplaySettings.Visible = false;
this.Map1.RefreshResource(anEl.Name);
mapResources.Add(aMapResource);
this.Map1.MapResourceManagerInstance.ResourceItems.Remove(aMapResource);
}
else
{
MapResourceItem aMapResource = this.Map1.MapResourceManagerInstance.ResourceItems.Find(anEl.Name);
mapResources.Add(aMapResource);
this.Map1.MapResourceManagerInstance.ResourceItems.Remove(aMapResource);
}
}
}
foreach (MapResourceItem aMapResource in mapResources)
{
int count = this.Map1.MapResourceManagerInstance.ResourceItems.Count - 1;
this.Map1.MapResourceManagerInstance.ResourceItems.Insert(count, aMapResource);
this.Map1.MapResourceManagerInstance.CreateResource(aMapResource);
}
this.Map1.InitializeFunctionalities();
this.Map1.Refresh();
}
}
VS 2008 C#.NET 3.5
我在哪里放行?方法之外? – mrjrdnthms 2008-09-25 18:51:42
您可以访问treeView变量的任何地方。对于在设计时创建的TreeView,表单的构造函数或Load hander将工作。 – 2008-09-26 18:00:21