How can I generate such a virtual line segment effect?

[AD8080202]

在“測量”命令下，您可以看到虛擬線段。
但我沒有找到提供這種做法的代碼？

這不是一種有效的工作方式。
有什麼建議？我們如何解決這個問題？

非常感謝任何幫助。

[AD8080202]

Sorry, I don't know why the text will be converted.
Re-inquire.

Under the "Measure" command, you can see the virtual line segment.

But I did not find the code to provide this practice?

This is not an efficient way of working. 

Any suggestions? How do we fix this?

Any assistance is much appreciated.

[AD8080202]

I had checked but was told it didn't provide this function. It is true? Any response is greatly appreciated.

[jeremytammik · Accepted solution]

Yes, it is true. The Revit API does not support rubber-banding on user input, i.e., these virtual lines.