![]() In my particular case, the control I needed was a RichTextBox 4 levels deep. The Telerik WinForms TreeView lets you display, manage, and navigate hierarchical data structures. To use Spy , you should use the Find Window tool in the toolbar, clear the Handle and the Class, and type the exact caption of the window you are looking for in the Caption field. You’ll find the spyxx.exe and spyxx_amd64.exe files there. Typically, it’s found at C:\Program Files (x86)\Microsoft Visual Studio\2017\Enterprise\Common7\Tools. Each node in the tree view might contain other nodes, called child nodes. It facilitates display, management, and navigation of hierarchical data structures. With the Windows Forms TreeView control, you can display a hierarchy of nodes to users, like the way files and folders are displayed in the left pane of the Windows Explorer feature of the Windows operating system. If you modify your installation and include the Visual Studio C Core Features (as shown below), you’ll be able to find it. Telerik RadTreeView is the supercharged tree view component for Windows Forms. In Visual Studio 2017, Spy isn’t installed by default. ![]() Next, we need to track down the values we’ll be grabbing. So, we’ll generally use FindWindowExA and SendMessageA to obtain the values. ![]() Private Declare Function FindWindowEx Lib "user32" Alias "FindWindowExA" ( ByVal hWnd1 As Integer, ByVal hWnd2 As Integer, ByVal lpsz1 As String, ByVal lpsz2 As String ) As Integer Private Declare Ansi Function SendMessage Lib "user32.dll" Alias "SendMessageA" ( ByVal hwnd As Integer, ByVal wMsg As Integer, ByVal wParam As Integer, ByVal lParam As String ) As Integer Private Const WM_GETTEXT As Short =
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