Hello. I made a component that changes the value of Input depending on the button placed at the bottom. This basically works fine, but when I save the file and restart it, the Input value is initialized. If you press the button again after startup, it will work properly, but it is inconvenient. …

Try implementing IGH_VariableParameterComponent in your class. It does some extra bookkeeping for a variable amount of inputs and outputs during file saving.

I guess this helps : C# numericUpDown & button Issue

[ExtendGUI] using Grasshopper.GUI; using Grasshopper.GUI.Canvas; using Grasshopper.Kernel; using Grasshopper.Kernel.Attributes; using System; using System.Drawing; using System.Globalization; using System.Windows.Forms; namespace ExtendGUI { public class ExtendGuiComponent : GH_Component {…

Thank you for your reply. I’m very sorry, but this problem was embarrassingly due to my rudimentary mistake. I solved it by changing the definition of the initial input of this component as in the attached file. Thanks to your post, I am grateful to know the meaning of the Read and Write methods. …

Thank you! It looks like you had to register the initial inputs :upside_down_face:

[image] Component with variable inputs and outputs Grasshopper Developer It is possible (as per Andy’s answer), but is it really a good idea? If you start to replace parameters you also have to deal with connections that are no longer valid. You potentially era…

Let me ask you another question. I added a new feature to the Component I made yesterday. Like the Gif image, we are increasing the number of values to import. At first glance it looks like it’s working, but when I save the file and restart it, the number of imports is incorrect. The same thing …

Sorry for the late reply. It started working well! Thank you :joy: [image] ExtendGUIComponent.cs (15.2 KB)

How to keep Custom Attributes when restarting a file?

Grasshopper Developer

Mahdiyar September 12, 2020, 3:21am 7

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How to keep Custom Attributes when restarting a file?

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