Thursday, 29 November 2012

Util - Win32 Window Handle Hijack (simple) v1.0.exe

After Util - Windows Handles Viewer (with Child Windows), I created a tool that allows the easy hijacking (or borrowing) of any Window/Control (that is running in the same Logged-in user Window's Desktop )

This is possible due to  Win32 SetParent's capability to allow a Win32 Window/Control to have a parent from a different process (see first examples of this technique in action in: IBM AppScan Source's and AppScan Standard's TreeViews running side-by-site in the same GUI and in Injecting a .NET REPL into an Unmanaged/C++ application (Notepad)

You can download the 1 Mb tool from:  Util - Win32 Window Handle Hijack (simple) v1.0.exe

Quick tour of this tool's capabilities.

After opening the tool, the first GUI looks like this:

Use the Target icon (via drag and drop) to select the desired window/control (from another running process)

For example, in the image below a Windows Explorer File list was chosen (from the explorer.exe process)

After clicking on the Hijack link, the Windows Explorer File is now going to 'exist' inside the Util - Win32 Window Handle Hijack (simple) v1.0 .Net App

The Restore link, will reset the hijacked Window/Control to its original parent (in this case the explorer.exe process)

This also works for other .Net Processes. In the example below, the ListBox from the left is being selected

Clicking the Hijack link will set the ListBox parent to be the panel inside the app on the right (running on a different process)
Note that the hijacked control is fully functional (with events correctly handled).

In the image below, the TreeView was expanded, with any event/actions triggered occurring on the original parent (to the left) .

Basically the Hijacked TreeView still thinks that it is on the correct process and location)
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