private void InitializeComponent() { tabControl = new CustomTabControl(); tabControl.Dock = DockStyle.Fill; Controls.Add(tabControl); editFilesPanel = new EditFilesPanel(WixFiles); editFilesPanel.Dock = DockStyle.Fill; editFilesTabPage = new TabPage("Files"); editFilesTabPage.Controls.Add(editFilesPanel); tabControl.TabPages.Add(editFilesTabPage); editFeaturesPanel = new EditFeaturesPanel(WixFiles); editFeaturesPanel.Dock = DockStyle.Fill; editFeaturesTabPage = new TabPage("Features"); editFeaturesTabPage.Controls.Add(editFeaturesPanel); tabControl.TabPages.Add(editFeaturesTabPage); }