private static void GetWindowInfo(IntPtr hWnd, bool isInFocus = false)
{
// http://www.codeproject.com/Articles/1698/MS-Spy-style-Window-Finder
if (hWnd != IntPtr.Zero && WinApi.IsWindow(hWnd) && hWnd != hWndFoundWindow)
{
WindowSelectorEventArgs e = new WindowSelectorEventArgs();
//Программа
int pId;
var threadId = WinApi.GetWindowThreadProcessId(hWnd, out pId);
using (var p = Process.GetProcessById(pId))
e.ProgramName = p.MainModule.ModuleName;
if (isInFocus)
{
e.HGetForegroundWindow = (int)hWnd;
var h = Misc.GetFocusedHandle(threadId, e);
if (h != IntPtr.Zero)
{
hWnd = h;
}
if (hWnd == hWndFoundWindow)
{
return;
}
}
//Класс
var temp = new StringBuilder(256);
WinApi.GetClassName(hWnd, temp, temp.Capacity);
e.ClassName = temp.ToString();
temp.Clear();
//Заголовок
temp.Capacity = 256;
WinApi.GetWindowText(hWnd, temp, temp.Capacity);
e.WindowCaption = temp.ToString();
temp.Clear();
//Дескриптор
e.HWindow = (int)hWnd;
e.HParent = (int)WinApi.GetParent(hWnd);
//Очищаем
RefreshWindow(hWndFoundWindow);
//Рисуем прямоугольник
HighlightFoundWindow(hWnd);
hWndFoundWindow = hWnd;
if (UiUpdate != null)
{
UiUpdate.Invoke(null, e);
}
}
}
void WindowSelector_UiUpdate(object sender, WindowSelectorEventArgs e)
{
cmbProgramName.Text = e.ProgramName;
txtClassName.Text = e.ClassName;
txtWindowCaption.Text = e.WindowCaption;
txtHandle.Text = string.Format("0x{0:X8}", e.HWindow);
txtParent.Text = string.Format("0x{0:X8}", e.HParent);
txtActive.Text = string.Format("0x{0:X8}", e.HActive);
txtCaret.Text = string.Format("0x{0:X8}", e.HCaret);
txtFocus.Text = string.Format("0x{0:X8}", e.HFocus);
txtGetActiveWindow.Text = string.Format("0x{0:X8}", e.HGetActiveWindow);
txtGetFocus.Text = string.Format("0x{0:X8}", e.HGetFocus);
txtGetForegroundWindow.Text = string.Format("0x{0:X8}", e.HGetForegroundWindow);
//txtCapture.Text = string.Format("0x{0:X8}", e.HCapture);
}
public static IntPtr GetFocusedHandle(uint threadId, WindowSelectorEventArgs e = null) //Получение хендла активного контрола
{
//@kurumpa http://stackoverflow.com/a/28409126
IntPtr hWnd = IntPtr.Zero;
IntPtr focusedHandle = IntPtr.Zero;
var info = new WinApi.GUITHREADINFO();
info.cbSize = Marshal.SizeOf(info);
var success = WinApi.GetGUIThreadInfo(threadId, ref info);
// target = hwndCaret || hwndFocus || (AttachThreadInput + GetFocus) || hwndActive
var currentThreadId = WinApi.GetCurrentThreadId();
if (currentThreadId != threadId)
{
WinApi.AttachThreadInput(threadId, currentThreadId, true);
}
focusedHandle = WinApi.GetFocus();
if (e != null)
{
e.HGetActiveWindow = (int)WinApi.GetActiveWindow();
}
if (currentThreadId != threadId)
{
WinApi.AttachThreadInput(threadId, currentThreadId, false);
}
if (e != null)
{
e.HGetFocus = (int)focusedHandle;
if (success)
{
e.HCaret = (int)info.hwndCaret;
e.HFocus = (int)info.hwndFocus;
e.HActive = (int)info.hwndActive;
e.HCapture = (int)info.hwndCapture;
}
}
if (success)
{
if (info.hwndCaret != IntPtr.Zero)
{
hWnd = info.hwndCaret;
}
else if (info.hwndFocus != IntPtr.Zero)
{
hWnd = info.hwndFocus;
}
else if (focusedHandle != IntPtr.Zero)
{
hWnd = focusedHandle;
}
else if (info.hwndActive != IntPtr.Zero)
{
hWnd = info.hwndActive;
}
}
else
{
hWnd = focusedHandle;
}
return(hWnd);
}
