各位Solidworks二次开发小伙伴，趁着年还没过玩，祝大家新年快乐，掐指一算 ， 明天就是元宵节了。
各位是不是应该送我点什么？
说错了，是我送来送点东西给大家。
最近在看api帮助时发现了一个知识点。
Solidworks 的特征树，也是可以当然TreeView节点Nodes来获取的。
**并且还可以和Solidworks中的对象进行转换，就类似于Tag对象。
这样我们就可以在节点上进行展开的收缩，虽然之前有人问过怎么全部收缩节点，那时候是用执行solidworks的命令来解决的。
因为官方有个例子，我就列一下，贴个代码，大家可以自己去试试。
Expand or Collapse FeatureManager Design Tree Nodes Example (C#)
This example shows how to traverse, expand, and collapse the nodes of a FeatureManager design tree.
Get Objects in Selection Set Example (C#)
This example shows how to get the objects in a selection set.
关键的对象有
TreeControlItem
我们来测试一下代码:
执行后在VS的输出栏会显示 :
/// <summary>
/// 遍历的层级
/// </summary>
private int traverseLevel;
/// <summary>
/// 展开此项
/// </summary>
private bool expandThis;
/// <summary>
/// 遍历节点
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnGetFeatureNodes_Click(object sender, EventArgs e)
{
var swApp = PStandAlone.GetSolidWorks();
var swModel = (ModelDoc2)swApp.ActiveDoc;
FeatureManager featureMgr = default(FeatureManager);
TreeControlItem rootNode = default(TreeControlItem);
featureMgr = swModel.FeatureManager;
//通过特征树获取根节点
rootNode = featureMgr.GetFeatureTreeRootItem2((int)swFeatMgrPane_e.swFeatMgrPaneBottom);
int i = 0;
for (i = 0; i <= 1; i++)
{
if ((rootNode != null))
{
Debug.Print("");
traverseLevel = 0;
traverse_node(rootNode);
}
expandThis = false;
if (i == 0)
{
MessageBox.Show(" OK to collapse all nodes?");
}
}
}
/// <summary>
/// 遍历节点
/// </summary>
/// <param name="node"></param>
private void traverse_node(TreeControlItem node)
{
TreeControlItem childNode = default(TreeControlItem);
Feature featureNode = default(Feature);
Component2 componentNode = default(Component2);
int nodeObjectType = 0;
object nodeObject = null;
string restOfString = "";
string indent = "";
int i = 0;
bool displayNodeInfo = false;
string compName = null;
int suppr = 0;
string supprString = "";
int vis = 0;
string visString = "";
string notfloatingString = "";
bool notfloating = false;
object componentDoc = null;
string docString = "";
string refConfigName = "";
displayNodeInfo = false;
nodeObjectType = node.ObjectType; //节点对象类型
nodeObject = node.Object; //节点对象 目前只支持 Feature 和 Component对象转换
switch (nodeObjectType)
{
case (int)swTreeControlItemType_e.swFeatureManagerItem_Feature:
displayNodeInfo = true;
if ((nodeObject != null))
{
featureNode = (Feature)nodeObject;
restOfString = "[FEATURE: " + featureNode.Name + "]";
}
else
{
restOfString = "[FEATURE: object Null?!]";
}
break;
case (int)swTreeControlItemType_e.swFeatureManagerItem_Component:
displayNodeInfo = true;
if ((nodeObject != null))
{
componentNode = (Component2)nodeObject;
compName = componentNode.Name2;
if ((string.IsNullOrEmpty(compName)))
{
compName = "???";
}
//组件节点状态
suppr = componentNode.GetSuppression();
switch ((suppr))
{
case (int)swComponentSuppressionState_e.swComponentFullyResolved:
supprString = "Resolved";
break;
case (int)swComponentSuppressionState_e.swComponentLightweight:
supprString = "Lightweight";
break;
case (int)swComponentSuppressionState_e.swComponentSuppressed:
supprString = "Suppressed";
break;
}
//组件节点可见
vis = componentNode.Visible;
switch ((vis))
{
case (int)swComponentVisibilityState_e.swComponentHidden:
visString = "Hidden";
break;
case (int)swComponentVisibilityState_e.swComponentVisible:
visString = "Visible";
break;
}
//组件节点完全定义？
notfloating = componentNode.IsFixed();
if (notfloating == false)
{
notfloatingString = "Floating";
}
else
{
notfloatingString = "Fixed";
}
componentDoc = componentNode.GetModelDoc2();
if (componentDoc == null)
{
docString = "NotLoaded";
}
else
{
docString = "Loaded";
}
//组件节点配置
refConfigName = componentNode.ReferencedConfiguration;
if ((string.IsNullOrEmpty(refConfigName)))
{
refConfigName = "???";
}
restOfString = "[COMPONENT: " + compName + " " + docString + " " + supprString + " " + visString + " " + refConfigName + "]";
}
else
{
restOfString = "[COMPONENT: object Null?!]";
}
break;
default:
displayNodeInfo = true;
if ((nodeObject != null))
{
restOfString = "[object type not handled]";
}
else
{
restOfString = "[object Null?!]";
}
break;
}
for (i = 1; i <= traverseLevel; i++)
{
indent = indent + " ";
}
if ((displayNodeInfo))
{
Debug.Print(indent + node.Text + " : " + restOfString);
}
// Expand the node
node.Expanded = expandThis;
traverseLevel = traverseLevel + 1;
childNode = node.GetFirstChild();
while ((childNode != null))
{
Debug.Print(indent + "Node is expanded: " + childNode.Expanded);
traverse_node(childNode);
childNode = childNode.GetNext();
}
traverseLevel = traverseLevel - 1;
}
好了，本文到此结束 。
源代码还是老地方，大家可以拉取更新：
https://gitee.com/painezeng/CSharpAndSolidWorks
https://github.com/painezeng/CSharpAndSolidWorks
如果哪里写的不好，请注意，请保持沉默。
哈哈
转载：https://blog.csdn.net/zengqh0314/article/details/113863506
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