move from indexing based on names to appids, increase size of forms

CreamInstaller/Classes/ProgramSelection.cs

@@ -36,11 +36,11 @@ namespace CreamInstaller
 
         private void Toggle(KeyValuePair<int, string> dlcApp, bool enabled) => SelectedSteamDlc[dlcApp.Key] = enabled ? dlcApp.Value : null;
 
-        public void ToggleDlc(string dlcName, bool enabled)
+        public void ToggleDlc(int dlcAppId, bool enabled)
         {
             foreach (KeyValuePair<int, string> dlcApp in AllSteamDlc)
             {
-                if (dlcApp.Value == dlcName)
+                if (dlcApp.Key == dlcAppId)
                 {
                     Toggle(dlcApp, enabled);
                     break;
@@ -64,13 +64,13 @@ namespace CreamInstaller
 
         public static List<ProgramSelection> AllSafeEnabled => AllSafe.FindAll(s => s.Enabled);
 
-        public static ProgramSelection FromName(string displayName) => AllSafe.Find(s => s.Name == displayName);
+        public static ProgramSelection FromAppId(int appId) => AllSafe.Find(s => s.SteamAppId == appId);
 
-        public static KeyValuePair<int, string>? GetDlc(string displayName)
+        public static KeyValuePair<int, string>? GetAllSteamDlc(int appId)
         {
             foreach (ProgramSelection selection in AllSafe)
                 foreach (KeyValuePair<int, string> app in selection.AllSteamDlc)
-                    if (app.Value == displayName) return app;
+                    if (app.Key == appId) return app;
             return null;
         }
     }

CreamInstaller/Forms/InstallForm.Designer.cs

@@ -44,7 +44,7 @@ namespace CreamInstaller
             | System.Windows.Forms.AnchorStyles.Right)));
             this.userProgressBar.Location = new System.Drawing.Point(12, 27);
             this.userProgressBar.Name = "userProgressBar";
-            this.userProgressBar.Size = new System.Drawing.Size(500, 23);
+            this.userProgressBar.Size = new System.Drawing.Size(760, 23);
             this.userProgressBar.TabIndex = 1;
             // 
             // userInfoLabel
@@ -53,7 +53,7 @@ namespace CreamInstaller
             | System.Windows.Forms.AnchorStyles.Right)));
             this.userInfoLabel.Location = new System.Drawing.Point(12, 9);
             this.userInfoLabel.Name = "userInfoLabel";
-            this.userInfoLabel.Size = new System.Drawing.Size(500, 15);
+            this.userInfoLabel.Size = new System.Drawing.Size(760, 15);
             this.userInfoLabel.TabIndex = 2;
             this.userInfoLabel.Text = "Loading . . . ";
             // 
@@ -61,7 +61,7 @@ namespace CreamInstaller
             // 
             this.acceptButton.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
             this.acceptButton.Enabled = false;
-            this.acceptButton.Location = new System.Drawing.Point(437, 286);
+            this.acceptButton.Location = new System.Drawing.Point(697, 526);
             this.acceptButton.Name = "acceptButton";
             this.acceptButton.Size = new System.Drawing.Size(75, 23);
             this.acceptButton.TabIndex = 4;
@@ -73,7 +73,7 @@ namespace CreamInstaller
             // 
             this.retryButton.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
             this.retryButton.Enabled = false;
-            this.retryButton.Location = new System.Drawing.Point(356, 286);
+            this.retryButton.Location = new System.Drawing.Point(616, 526);
             this.retryButton.Name = "retryButton";
             this.retryButton.Size = new System.Drawing.Size(75, 23);
             this.retryButton.TabIndex = 3;
@@ -84,7 +84,7 @@ namespace CreamInstaller
             // cancelButton
             // 
             this.cancelButton.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
-            this.cancelButton.Location = new System.Drawing.Point(12, 286);
+            this.cancelButton.Location = new System.Drawing.Point(12, 526);
             this.cancelButton.Name = "cancelButton";
             this.cancelButton.Size = new System.Drawing.Size(75, 23);
             this.cancelButton.TabIndex = 1;
@@ -102,17 +102,17 @@ namespace CreamInstaller
             this.logTextBox.Name = "logTextBox";
             this.logTextBox.ReadOnly = true;
             this.logTextBox.ScrollBars = System.Windows.Forms.RichTextBoxScrollBars.ForcedBoth;
-            this.logTextBox.Size = new System.Drawing.Size(500, 224);
+            this.logTextBox.Size = new System.Drawing.Size(760, 464);
             this.logTextBox.TabIndex = 4;
             this.logTextBox.TabStop = false;
             this.logTextBox.Text = "";
             // 
             // reselectButton
             // 
-            this.reselectButton.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
+            this.reselectButton.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
-            this.reselectButton.Location = new System.Drawing.Point(135, 286);
+            this.reselectButton.Location = new System.Drawing.Point(410, 526);
             this.reselectButton.Name = "reselectButton";
-            this.reselectButton.Size = new System.Drawing.Size(175, 23);
+            this.reselectButton.Size = new System.Drawing.Size(200, 23);
             this.reselectButton.TabIndex = 2;
             this.reselectButton.Text = "Reselect Programs / Games";
             this.reselectButton.UseVisualStyleBackColor = true;
@@ -122,7 +122,7 @@ namespace CreamInstaller
             // 
             this.AutoScaleDimensions = new System.Drawing.SizeF(7F, 15F);
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
-            this.ClientSize = new System.Drawing.Size(524, 321);
+            this.ClientSize = new System.Drawing.Size(784, 561);
             this.Controls.Add(this.reselectButton);
             this.Controls.Add(this.logTextBox);
             this.Controls.Add(this.cancelButton);
@@ -133,7 +133,7 @@ namespace CreamInstaller
             this.DoubleBuffered = true;
             this.MaximizeBox = false;
             this.MinimizeBox = false;
-            this.MinimumSize = new System.Drawing.Size(540, 360);
+            this.MinimumSize = new System.Drawing.Size(600, 400);
             this.Name = "InstallForm";
             this.SizeGripStyle = System.Windows.Forms.SizeGripStyle.Show;
             this.StartPosition = System.Windows.Forms.FormStartPosition.CenterParent;

CreamInstaller/Forms/MainForm.cs

@@ -146,7 +146,8 @@ namespace CreamInstaller
                         "\n\nThis will cause unwanted behavior when updating the program!",
                         "Ignore", "Abort") == DialogResult.Cancel)
                     {
-                        Environment.Exit(0);
+                        Application.Exit();
+                        return;
                     }
                 }
                 OnLoad();
@@ -194,6 +195,7 @@ namespace CreamInstaller
             {
                 updateManager.LaunchUpdater(latestVersion);
                 Application.Exit();
+                return;
             }
             else
             {

CreamInstaller/Forms/SelectForm.Designer.cs

@@ -48,10 +48,10 @@ namespace CreamInstaller
             // 
             this.acceptButton.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
             this.acceptButton.Enabled = false;
-            this.acceptButton.Location = new System.Drawing.Point(322, 254);
+            this.acceptButton.Location = new System.Drawing.Point(422, 326);
             this.acceptButton.Name = "acceptButton";
             this.acceptButton.Size = new System.Drawing.Size(150, 23);
-            this.acceptButton.TabIndex = 102;
+            this.acceptButton.TabIndex = 10002;
             this.acceptButton.Text = "Generate and Install";
             this.acceptButton.UseVisualStyleBackColor = true;
             this.acceptButton.Click += new System.EventHandler(this.OnAccept);
@@ -59,10 +59,10 @@ namespace CreamInstaller
             // cancelButton
             // 
             this.cancelButton.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
-            this.cancelButton.Location = new System.Drawing.Point(12, 254);
+            this.cancelButton.Location = new System.Drawing.Point(12, 326);
             this.cancelButton.Name = "cancelButton";
             this.cancelButton.Size = new System.Drawing.Size(75, 23);
-            this.cancelButton.TabIndex = 100;
+            this.cancelButton.TabIndex = 10000;
             this.cancelButton.Text = "Cancel";
             this.cancelButton.UseVisualStyleBackColor = true;
             this.cancelButton.Click += new System.EventHandler(this.OnCancel);
@@ -84,7 +84,7 @@ namespace CreamInstaller
             this.groupBox1.Controls.Add(this.allCheckBox);
             this.groupBox1.Location = new System.Drawing.Point(12, 12);
             this.groupBox1.Name = "groupBox1";
-            this.groupBox1.Size = new System.Drawing.Size(460, 236);
+            this.groupBox1.Size = new System.Drawing.Size(560, 308);
             this.groupBox1.TabIndex = 8;
             this.groupBox1.TabStop = false;
             this.groupBox1.Text = "Programs / Games";
@@ -96,7 +96,7 @@ namespace CreamInstaller
             | System.Windows.Forms.AnchorStyles.Right)));
             this.noneFoundLabel.Location = new System.Drawing.Point(6, 22);
             this.noneFoundLabel.Name = "noneFoundLabel";
-            this.noneFoundLabel.Size = new System.Drawing.Size(448, 208);
+            this.noneFoundLabel.Size = new System.Drawing.Size(548, 280);
             this.noneFoundLabel.TabIndex = 1002;
             this.noneFoundLabel.Text = "No CreamAPI-applicable programs were found on your computer!";
             this.noneFoundLabel.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
@@ -115,7 +115,7 @@ namespace CreamInstaller
             this.treeView1.HotTracking = true;
             this.treeView1.Location = new System.Drawing.Point(6, 22);
             this.treeView1.Name = "treeView1";
-            this.treeView1.Size = new System.Drawing.Size(448, 208);
+            this.treeView1.Size = new System.Drawing.Size(548, 280);
             this.treeView1.TabIndex = 1001;
             // 
             // allCheckBox
@@ -123,7 +123,7 @@ namespace CreamInstaller
             this.allCheckBox.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
             this.allCheckBox.AutoSize = true;
             this.allCheckBox.Enabled = false;
-            this.allCheckBox.Location = new System.Drawing.Point(414, 0);
+            this.allCheckBox.Location = new System.Drawing.Point(514, 0);
             this.allCheckBox.Name = "allCheckBox";
             this.allCheckBox.Size = new System.Drawing.Size(40, 19);
             this.allCheckBox.TabIndex = 1;
@@ -135,18 +135,18 @@ namespace CreamInstaller
             // 
             this.progressBar1.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left) 
             | System.Windows.Forms.AnchorStyles.Right)));
-            this.progressBar1.Location = new System.Drawing.Point(12, 225);
+            this.progressBar1.Location = new System.Drawing.Point(12, 297);
             this.progressBar1.Name = "progressBar1";
-            this.progressBar1.Size = new System.Drawing.Size(460, 23);
+            this.progressBar1.Size = new System.Drawing.Size(560, 23);
             this.progressBar1.TabIndex = 9;
             // 
             // label2
             // 
             this.label2.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left) 
             | System.Windows.Forms.AnchorStyles.Right)));
-            this.label2.Location = new System.Drawing.Point(12, 207);
+            this.label2.Location = new System.Drawing.Point(12, 279);
             this.label2.Name = "label2";
-            this.label2.Size = new System.Drawing.Size(460, 15);
+            this.label2.Size = new System.Drawing.Size(760, 15);
             this.label2.TabIndex = 10;
             this.label2.Text = "Loading . . .";
             // 
@@ -154,11 +154,11 @@ namespace CreamInstaller
             // 
             this.scanButton.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
             this.scanButton.Enabled = false;
-            this.scanButton.Location = new System.Drawing.Point(110, 254);
+            this.scanButton.Location = new System.Drawing.Point(236, 326);
             this.scanButton.Name = "scanButton";
-            this.scanButton.Size = new System.Drawing.Size(190, 23);
+            this.scanButton.Size = new System.Drawing.Size(180, 23);
-            this.scanButton.TabIndex = 101;
+            this.scanButton.TabIndex = 10001;
-            this.scanButton.Text = "Rescan for Programs / Games";
+            this.scanButton.Text = "Rescan Programs / Games";
             this.scanButton.UseVisualStyleBackColor = true;
             this.scanButton.Click += new System.EventHandler(this.OnScan);
             // 
@@ -166,7 +166,7 @@ namespace CreamInstaller
             // 
             this.AutoScaleDimensions = new System.Drawing.SizeF(7F, 15F);
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
-            this.ClientSize = new System.Drawing.Size(484, 289);
+            this.ClientSize = new System.Drawing.Size(584, 361);
             this.Controls.Add(this.scanButton);
             this.Controls.Add(this.groupBox1);
             this.Controls.Add(this.progressBar1);
@@ -177,7 +177,7 @@ namespace CreamInstaller
             this.DoubleBuffered = true;
             this.MaximizeBox = false;
             this.MinimizeBox = false;
-            this.MinimumSize = new System.Drawing.Size(500, 328);
+            this.MinimumSize = new System.Drawing.Size(600, 400);
             this.Name = "SelectForm";
             this.SizeGripStyle = System.Windows.Forms.SizeGripStyle.Show;
             this.StartPosition = System.Windows.Forms.FormStartPosition.CenterParent;

CreamInstaller/Forms/SelectForm.cs

@@ -9,6 +9,7 @@ using System.Diagnostics;
 using System.Drawing;
 using System.IO;
 using System.Linq;
+using System.Runtime.InteropServices;
 using System.Text;
 using System.Threading.Tasks;
 using System.Windows.Forms;
@@ -150,7 +151,7 @@ namespace CreamInstaller
                 {
                     if (Program.Canceled || !GetDllDirectoriesFromGameDirectory(directory, out List<string> dllDirectories)) return;
                     VProperty appInfo = null;
-                    if (Program.Canceled || (name != "Paradox Launcher" && !SteamCMD.GetAppInfo(appId, out appInfo, branch, buildId))) return;
+                    if (Program.Canceled || (appId > 0 && !SteamCMD.GetAppInfo(appId, out appInfo, branch, buildId))) return;
                     if (Program.Canceled) return;
                     ConcurrentDictionary<int, string> dlc = new();
                     List<Task> dlcTasks = new();
@@ -166,8 +167,8 @@ namespace CreamInstaller
                                 string dlcName = null;
                                 if (SteamCMD.GetAppInfo(id, out VProperty dlcAppInfo)) dlcName = dlcAppInfo?.Value?["common"]?["name"]?.ToString();
                                 if (Program.Canceled) return;
-                                if (string.IsNullOrWhiteSpace(dlcName)) return;
+                                if (string.IsNullOrWhiteSpace(dlcName)) return; //dlcName = "Unknown DLC";
-                                dlc[id] = dlcName;
+                                dlc[id] = /*$"[{id}] " +*/ dlcName;
                                 progress.Report(++cur);
                             });
                             dlcTasks.Add(task);
@@ -175,13 +176,13 @@ namespace CreamInstaller
                         }
                         progress.Report(-RunningTasks.Count);
                     }
-                    else if (name != "Paradox Launcher") return;
+                    else if (appId > 0) return;
                     if (Program.Canceled) return;
 
                     if (string.IsNullOrWhiteSpace(name)) return;
                     if (Program.Canceled) return;
 
-                    ProgramSelection selection = ProgramSelection.FromName(name) ?? new();
+                    ProgramSelection selection = ProgramSelection.FromAppId(appId) ?? new();
                     selection.Name = name;
                     selection.RootDirectory = directory;
                     selection.SteamAppId = appId;
@@ -197,22 +198,22 @@ namespace CreamInstaller
                     treeView1.Invoke((MethodInvoker)delegate
                     {
                         if (Program.Canceled) return;
-                        TreeNode programNode = treeNodes.Find(s => s.Text == name) ?? new();
+                        TreeNode programNode = treeNodes.Find(s => s.Name == "" + appId) ?? new();
                         programNode.Name = "" + appId;
-                        programNode.Text = name;
+                        programNode.Text = /*(appId > 0 ? $"[{appId}] " : "") +*/ name;
                         programNode.Checked = selection.Enabled;
                         programNode.Remove();
                         treeView1.Nodes.Add(programNode);
                         treeNodes.Remove(programNode);
                         treeNodes.Add(programNode);
-                        if (name == "Paradox Launcher")
+                        if (appId == 0) // paradox launcher
                         {
                             // maybe add game and/or dlc choice here?
                         }
                         else foreach (KeyValuePair<int, string> dlcApp in dlc.ToList())
                             {
                                 if (Program.Canceled || programNode is null) return;
-                                TreeNode dlcNode = treeNodes.Find(s => s.Text == dlcApp.Value) ?? new();
+                                TreeNode dlcNode = treeNodes.Find(s => s.Name == "" + dlcApp.Key) ?? new();
                                 dlcNode.Name = "" + dlcApp.Key;
                                 dlcNode.Text = dlcApp.Value;
                                 dlcNode.Checked = selection.SelectedSteamDlc.Contains(dlcApp);
@@ -235,6 +236,11 @@ namespace CreamInstaller
                 task.Wait();
             }
             progress.Report(RunningTasks.Count);
+            ProgramSelection.All.ForEach(selection => selection.SteamApiDllDirectories.RemoveAll(directory => !Directory.Exists(directory)));
+            ProgramSelection.All.RemoveAll(selection => !Directory.Exists(selection.RootDirectory) || !selection.SteamApiDllDirectories.Any());
+            foreach (TreeNode treeNode in treeNodes)
+                if (treeNode.Parent is null && ProgramSelection.FromAppId(int.Parse(treeNode.Name)) is null)
+                    treeNode.Remove();
         }
 
         private async void OnLoad()
@@ -283,13 +289,7 @@ namespace CreamInstaller
             setup = false;
             label2.Text = "Gathering and caching your applicable games and their DLCs . . . ";
             await Task.Run(() => GetCreamApiApplicablePrograms(iProgress));
-            treeView1.Sort();
+            //SetMinimumSizeFromTreeView();
-
-            ProgramSelection.All.ForEach(selection => selection.SteamApiDllDirectories.RemoveAll(directory => !Directory.Exists(directory)));
-            ProgramSelection.All.RemoveAll(selection => !Directory.Exists(selection.RootDirectory) || !selection.SteamApiDllDirectories.Any());
-            foreach (TreeNode treeNode in treeNodes)
-                if (treeNode.Parent is null && ProgramSelection.FromName(treeNode.Text) is null)
-                    treeNode.Remove();
 
             progressBar1.Value = 100;
             groupBox1.Size = new(groupBox1.Size.Width, groupBox1.Size.Height + 44);
@@ -305,13 +305,42 @@ namespace CreamInstaller
             scanButton.Enabled = true;
         }
 
+        /*private const int GWL_STYLE = -16;
+        private const int WS_VSCROLL = 0x00200000;
+        private const int WS_HSCROLL = 0x00100000;
+
+        [DllImport("user32.dll", ExactSpelling = false, CharSet = CharSet.Auto)]
+        private static extern int GetWindowLong(IntPtr hWnd, int nIndex);
+
+        private const int MINIMUM_SIZE_INCREMENT = 8;
+        private void SetMinimumSizeFromTreeView()
+        {
+            Dictionary<TreeNode, bool> expansionState = new();
+            foreach (TreeNode node in treeView1.Nodes) expansionState[node] = node.IsExpanded;
+            treeView1.ExpandAll();
+            Size minimumSize = MinimumSize;
+            Point point;
+            int style = GetWindowLong(treeView1.Handle, GWL_STYLE);
+            while ((style & WS_HSCROLL) != 0)
+            {
+                minimumSize.Width += MINIMUM_SIZE_INCREMENT;
+                point = Location;
+                point.X -= MINIMUM_SIZE_INCREMENT / 2;
+                Location = point;
+                MinimumSize = minimumSize;
+                style = GetWindowLong(treeView1.Handle, GWL_STYLE);
+                Update();
+            }
+            foreach (TreeNode node in treeView1.Nodes) if (!expansionState[node]) node.Collapse();
+        }*/
+
         private void OnTreeViewNodeCheckedChanged(object sender, TreeViewEventArgs e)
         {
             if (e.Action == TreeViewAction.Unknown) return;
-            ProgramSelection selection = ProgramSelection.FromName(e.Node.Text);
+            ProgramSelection selection = ProgramSelection.FromAppId(int.Parse(e.Node.Name));
             if (selection is null)
             {
-                ProgramSelection.FromName(e.Node.Parent.Text).ToggleDlc(e.Node.Text, e.Node.Checked);
+                ProgramSelection.FromAppId(int.Parse(e.Node.Parent.Name)).ToggleDlc(int.Parse(e.Node.Name), e.Node.Checked);
                 e.Node.Parent.Checked = e.Node.Parent.Nodes.Cast<TreeNode>().ToList().Any(treeNode => treeNode.Checked);
             }
             else
@@ -347,8 +376,8 @@ namespace CreamInstaller
             {
                 if (e.Button == MouseButtons.Right)
                 {
-                    ProgramSelection selection = ProgramSelection.FromName(e.Node.Text);
+                    ProgramSelection selection = ProgramSelection.FromAppId(int.Parse(e.Node.Name));
-                    KeyValuePair<int, string>? dlc = ProgramSelection.GetDlc(e.Node.Text);
+                    KeyValuePair<int, string>? dlc = ProgramSelection.GetAllSteamDlc(int.Parse(e.Node.Name));
                     int appId = selection?.SteamAppId ?? dlc?.Key ?? 0;
                     if (appId > 0) Process.Start(new ProcessStartInfo
                     {
@@ -371,7 +400,7 @@ namespace CreamInstaller
 
         private static void PopulateParadoxLauncherDlc(ProgramSelection paradoxLauncher = null)
         {
-            paradoxLauncher ??= ProgramSelection.FromName("Paradox Launcher");
+            paradoxLauncher ??= ProgramSelection.FromAppId(0);
             if (!(paradoxLauncher is null))
             {
                 paradoxLauncher.ExtraSteamAppIdDlc.Clear();
@@ -395,7 +424,7 @@ namespace CreamInstaller
 
         private static bool ParadoxLauncherDlcDialog(Form form)
         {
-            ProgramSelection paradoxLauncher = ProgramSelection.FromName("Paradox Launcher");
+            ProgramSelection paradoxLauncher = ProgramSelection.FromAppId(0);
             if (!(paradoxLauncher is null) && paradoxLauncher.Enabled)
             {
                 PopulateParadoxLauncherDlc(paradoxLauncher);
@@ -427,11 +456,9 @@ namespace CreamInstaller
                 if (installForm.Reselecting)
                 {
                     foreach (TreeNode treeNode in treeNodes)
-                        if (!(treeNode.Parent is null) || treeNode.Text == "Paradox Launcher")
+                        if (!(treeNode.Parent is null) || int.Parse(treeNode.Name) == 0)
                             OnTreeViewNodeCheckedChanged(null, new(treeNode, TreeViewAction.ByMouse));
-                    int X = installForm.Location.X + installForm.Size.Width / 2 - Size.Width / 2;
+                    this.InheritLocation(installForm);
-                    int Y = installForm.Location.Y + installForm.Size.Height / 2 - Size.Height / 2;
-                    Location = new(X, Y);
                     Show();
                 }
                 else

CreamInstaller/Program.cs

@@ -37,6 +37,7 @@ namespace CreamInstaller
                 {
                     if (ExceptionHandler.OutputException(e)) goto retry;
                     Application.Exit();
+                    return;
                 }
             }
             mutex.Close();
@@ -90,5 +91,12 @@ namespace CreamInstaller
         }
 
         private static void OnApplicationExit(object s, EventArgs e) => Cleanup();
+
+        internal static void InheritLocation(this Form form, Form fromForm)
+        {
+            int X = fromForm.Location.X + fromForm.Size.Width / 2 - form.Size.Width / 2;
+            int Y = fromForm.Location.Y + fromForm.Size.Height / 2 - form.Size.Height / 2;
+            form.Location = new(X, Y);
+        }
     }
 }