static void PrintVisibleWindowHandles(int maxLevel = -1)
{
// Enumerates all existing top window handles. This includes open and visible windows, as well as invisible windows.
Win32Wrapper.EnumWindows(new Win32Wrapper.EnumWindowsProc((tophandle, topparamhandle) =>
{
PrintVisibleWindowHandles(tophandle, maxLevel);
return(true);
}), IntPtr.Zero);
}
public static void SetDesktopAsParent(IntPtr handle)
{
PrintVisibleWindowHandles(2);
// The output will look something like this.
// .....
// 0x00010190 "" WorkerW
// ...
// 0x000100EE "" SHELLDLL_DefView
// 0x000100F0 "FolderView" SysListVieWin32Wrapper
// 0x000100EC "Program Manager" Progman
// Fetch the Progman window
IntPtr progman = Win32Wrapper.FindWindow("Progman", null);
IntPtr result = IntPtr.Zero;
// Send 0x052C to Progman. This message directs Progman to spawn a
// WorkerW behind the desktop icons. If it is already there, nothing
// happens.
Win32Wrapper.SendMessageTimeout(progman,
0x052C,
new IntPtr(0),
IntPtr.Zero,
Win32Wrapper.SendMessageTimeoutFlags.SMTO_NORMAL,
1000,
out result);
PrintVisibleWindowHandles(2);
// The output will look something like this
// .....
// 0x00010190 "" WorkerW
// ...
// 0x000100EE "" SHELLDLL_DefView
// 0x000100F0 "FolderView" SysListVieWin32Wrapper
// 0x00100B8A "" WorkerW <--- This is the WorkerW instance we are after!
// 0x000100EC "Program Manager" Progman
// We enumerate all Windows, until we find one, that has the SHELLDLL_DefView
// as a child.
// If we found that window, we take its next sibling and assign it to workerw.
Win32Wrapper.EnumWindows(new Win32Wrapper.EnumWindowsProc((tophandle, topparamhandle) =>
{
IntPtr p = Win32Wrapper.FindWindowEx(tophandle,
IntPtr.Zero,
"SHELLDLL_DefView",
null);
if (p != IntPtr.Zero)
{
// Gets the WorkerW Window after the current one.
_workerw = Win32Wrapper.FindWindowEx(IntPtr.Zero,
tophandle,
"WorkerW",
null);
return(false);
}
return(true);
}), IntPtr.Zero);
Win32Wrapper.SetParent(handle, _workerw);
}