update unity installations when create new project, disable new project button if no unity editors found (fixes #216)

unitycoder · unitycoder · commit f2fc7fa9cb8a · 2026-02-03T19:32:15.000+02:00
diff --git a/UnityLauncherPro/MainWindow.xaml.cs b/UnityLauncherPro/MainWindow.xaml.cs
@@ -886,6 +886,8 @@ void UpdateUnityInstallationsList()
             }
 
             lblFoundXInstallations.Content = "Found " + unityInstallationsSource.Count + " installations";
+
+            btnCreateEmptyProject.IsEnabled = unityInstallationsSource.Count > 0;
         }
 
         Project GetSelectedProject()
@@ -2099,6 +2101,9 @@ void CreateNewEmptyProject(string targetFolder = null)
                 }
             }
 
+            // refresh unity installations
+            UpdateUnityInstallationsList();
+
             if (string.IsNullOrEmpty(initScriptFileFullPath) == true)
             {
                 initScriptFileFullPath = Tools.GetSafeFilePath("Scripts", "InitializeProject.cs");
diff --git a/UnityLauncherPro/NewProject.xaml.cs b/UnityLauncherPro/NewProject.xaml.cs
@@ -1,6 +1,7 @@
 ﻿using System;
 using System.Collections.Generic;
 using System.IO;
+using System.Linq;
 using System.Net.Http;
 using System.Text;
 using System.Threading;
@@ -53,6 +54,18 @@ public NewProject(string unityVersion, string suggestedName, string targetFolder
             txtNewProjectName.Text = newName;
             txtNewProjectFolder.Text = targetFolder;
 
+            if (MainWindow.unityInstallationsSource.Count == 0)
+            {
+                Tools.SetStatus("No Unity installations found! Please add Unity installations first.");
+                isInitializing = false;
+                btnCreateNewProject.IsEnabled = false;
+                return;
+            }
+            else
+            {
+                btnCreateNewProject.IsEnabled = true;
+            }
+
             // fill available versions
             if (gridAvailableVersions.ItemsSource == null)
             {

Original file line number	Diff line number	Diff line change
`@@ -886,6 +886,8 @@ void UpdateUnityInstallationsList()`
`886`	`886`	`}`
`887`	`887`
`888`	`888`	`lblFoundXInstallations.Content = "Found " + unityInstallationsSource.Count + " installations";`
	`889`	`+`
	`890`	`+ btnCreateEmptyProject.IsEnabled = unityInstallationsSource.Count > 0;`
`889`	`891`	`}`
`890`	`892`
`891`	`893`	`Project GetSelectedProject()`
`@@ -2099,6 +2101,9 @@ void CreateNewEmptyProject(string targetFolder = null)`
`2099`	`2101`	`}`
`2100`	`2102`	`}`
`2101`	`2103`
	`2104`	`+ // refresh unity installations`
	`2105`	`+ UpdateUnityInstallationsList();`
	`2106`	`+`
`2102`	`2107`	`if (string.IsNullOrEmpty(initScriptFileFullPath) == true)`
`2103`	`2108`	`{`
`2104`	`2109`	`initScriptFileFullPath = Tools.GetSafeFilePath("Scripts", "InitializeProject.cs");`