EditorWindow.ShowModal

Description

Show modal editor window.

Other windows will not be accessible and any script recompilation will not happen until this window is closed.

using UnityEditor;
using UnityEngine;
using UnityEngine.UIElements;

public class MyWindow : EditorWindow
{
    [MenuItem("Window/My Window")]
    public static void ShowExample()
    {
        MyWindow wnd = GetWindow<MyWindow>();
        wnd.titleContent = new GUIContent("My Window Title");
        wnd.ShowModal();
    }

    public void OnEnable()
    {
        VisualElement root = rootVisualElement;

        VisualElement label = new Label("Hello World!");
        root.Add(label);
    }
}