/// <summary>
/// Verifies whether the window can be activated
/// </summary>
/// <param name="hWnd">WIndow handle</param>
/// <returns>true if it can</returns>
private static bool canBeActivated(IntPtr hWnd)
{
if (isShellWindow(hWnd))
{
return(false);
}
var root = User32Interop.GetAncestor(hWnd, User32Interop.GetAncestorFlags.GetRootOwner);
if (getWindowPopup(root) != hWnd)
{
return(false);
}
var className = Windows.GetWindowClassName(hWnd);
if (String.IsNullOrEmpty(className))
{
return(false);
}
if (Array.IndexOf(_ignoreClassNames, className) > -1)
{
return(false);
}
if (className.StartsWith("WMP9MediaBarFlyout"))
{
return(false);
}
return(true);
}
/// <summary>
/// Simulates mouse left click at the indicated
/// by doing a mouse down followed by a mouse up
/// </summary>
/// <param name="x">x position of cursor</param>
/// <param name="y">y position of the cursor</param>
public static void ClickLeftMouseButton(int x, int y)
{
float screenWidth = Screen.PrimaryScreen.Bounds.Width;
float screenHeight = Screen.PrimaryScreen.Bounds.Height;
var mouseInput = new User32Interop.INPUT {
type = User32Interop.SendInputEventType.InputMouse
};
//mouseInput.mkhi.mi.dx = x;
//mouseInput.mkhi.mi.dy = y;
mouseInput.mkhi.mi.dx = (int)Math.Round(x * (65535 / screenWidth), 0);
mouseInput.mkhi.mi.dy = (int)Math.Round(y * (65535 / screenHeight), 0);
mouseInput.mkhi.mi.mouseData = 0;
mouseInput.mkhi.mi.dwFlags = User32Interop.MouseEventFlags.MOUSEEVENTF_MOVE |
User32Interop.MouseEventFlags.MOUSEEVENTF_ABSOLUTE;
User32Interop.SendInput(1, ref mouseInput, Marshal.SizeOf(new User32Interop.INPUT()));
var inputDown = new User32Interop.INPUT();
inputDown.mkhi.mi.dx = 0;
inputDown.mkhi.mi.dy = 0;
inputDown.mkhi.mi.mouseData = 0;
inputDown.mkhi.mi.dwFlags = User32Interop.MouseEventFlags.MOUSEEVENTF_LEFTDOWN;
User32Interop.SendInput(1, ref inputDown, Marshal.SizeOf(new User32Interop.INPUT()));
inputDown.mkhi.mi.dwFlags = User32Interop.MouseEventFlags.MOUSEEVENTF_LEFTUP;
User32Interop.SendInput(1, ref inputDown, Marshal.SizeOf(new User32Interop.INPUT()));
}
/// <summary>
/// Turns caps lock on/off and sets the state of the
/// shift key accordingly
/// </summary>
/// <param name="onOff">true to turn on</param>
private static void setCapsLockState(bool onOff)
{
const int KEYEVENTF_EXTENDEDKEY = 0x1;
const int KEYEVENTF_KEYUP = 0x2;
if (onOff)
{
if (!Form.IsKeyLocked(Keys.CapsLock))
{
// turn on capslock
User32Interop.keybd_event((byte)Keys.CapsLock, 0xAA, 0, UIntPtr.Zero);
User32Interop.keybd_event((byte)Keys.CapsLock, 0xAA, (uint)KEYEVENTF_KEYUP, UIntPtr.Zero);
turnOn(_shift);
_stickyShift = true;
}
}
else
{
if (Form.IsKeyLocked(Keys.CapsLock))
{
// turn off capslock
User32Interop.keybd_event((byte)Keys.CapsLock, 0x45, KEYEVENTF_EXTENDEDKEY, (UIntPtr)0);
User32Interop.keybd_event((byte)Keys.CapsLock, 0x45, KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP, (UIntPtr)0);
ClearShift();
}
}
}
public static Process GetProcessForWindow(IntPtr hwnd)
{
int pid;
User32Interop.GetWindowThreadProcessId(hwnd, out pid);
return(Process.GetProcessById(pid));
}
/// <summary>
/// Simulates a middle button double click at the current
/// cursor position
/// </summary>
public static void SimulateMiddleMouseDoubleClick()
{
int mouseX = Cursor.Position.X;
int mouseY = Cursor.Position.Y;
User32Interop.mouse_event(User32Interop.MOUSEEVENTF_MIDDLEDOWN |
User32Interop.MOUSEEVENTF_MIDDLEUP, mouseX, mouseY, 0, 0);
User32Interop.mouse_event(User32Interop.MOUSEEVENTF_MIDDLEDOWN |
User32Interop.MOUSEEVENTF_MIDDLEUP, mouseX, mouseY, 0, 0);
}
/// Simulates a right button double click at the current
/// cursor position
public static void SimulateRightMouseDoubleClick()
{
int mouseX = Cursor.Position.X;
int mouseY = Cursor.Position.Y;
User32Interop.mouse_event(User32Interop.MOUSEEVENTF_RIGHTDOWN |
User32Interop.MOUSEEVENTF_RIGHTUP, mouseX, mouseY, 0, 0);
User32Interop.mouse_event(User32Interop.MOUSEEVENTF_RIGHTDOWN |
User32Interop.MOUSEEVENTF_RIGHTUP, mouseX, mouseY, 0, 0);
}
/// <summary>
/// Synchronously enumerates windows and returns a window list
/// </summary>
/// <returns>list of windows</returns>
public static List <WindowInfo> Enumerate(bool excludeThisProcess = true)
{
_currentProcess = Process.GetCurrentProcess();
_excludeThisProcess = excludeThisProcess;
_shellWindowHandle = User32Interop.GetShellWindow();
windowList = new List <WindowInfo>();
User32Interop.EnumDesktopWindows(IntPtr.Zero, enumWindowsCallback, IntPtr.Zero);
return(windowList);
}
/// <summary>
/// Callback function for the enumwindows function
/// </summary>
/// <param name="winHandle">enumerated window handle</param>
/// <param name="lParam">nod used </param>
/// <returns></returns>
private static bool enumWindowsCallback(IntPtr winHandle, int lParam)
{
if (!User32Interop.IsWindowVisible(winHandle))
{
return(true);
}
if (_excludeThisProcess)
{
uint pid = 0;
User32Interop.GetWindowThreadProcessId(winHandle, out pid);
if (pid == 0 || pid == _currentProcess.Id)
{
return(true);
}
}
if (!Windows.IsApplicationWindow(winHandle))
{
return(true);
}
if (!canBeActivated(winHandle))
{
return(true);
}
if (Windows.IsCloakedWindow(winHandle))
{
return(true);
}
var buffer = new StringBuilder(1024);
User32Interop.GetWindowText(winHandle, buffer, buffer.Capacity);
var windowTitle = buffer.ToString();
// save the window only if it is visible and contains a title
// and has an app icon (this criterium is needed to not display "Start" and "Program Manager")
// this can be altered in the future to add other filtering criteria
if (!string.IsNullOrEmpty(windowTitle))
{
Log.Debug("hWnd=" + winHandle + " windowTitle=" + windowTitle);
var info = new WindowInfo(winHandle, windowTitle);
windowList.Add(info);
}
// return true to continue enumerating windows.
return(true);
}
/// <summary>
/// Gets window class long pointer for hWnd
/// </summary>
/// <param name="hWnd">window handle</param>
/// <param name="nIndex">index number</param>
/// <returns>window class long</returns>
private static IntPtr getClassLongPtr(IntPtr hWnd, int nIndex)
{
try
{
if (IntPtr.Size > 4)
{
return(User32Interop.GetClassLongPtr64(hWnd, nIndex));
}
uint ret = User32Interop.GetClassLongPtr32(hWnd, nIndex);
return(new IntPtr((int)ret)); // without the cast, it may result in an overflow
}
catch
{
return(IntPtr.Zero);
}
}
/// <summary>
/// Moves the specified window to the monitor other than the one it is
/// currently in
/// </summary>
/// <param name="handle">Handle to the window</param>
public static void MoveWindowToOtherMonitor(IntPtr handle)
{
if (handle == IntPtr.Zero || !MultipleMonitors || Windows.IsMinimized(handle))
{
return;
}
var scr = GetMonitorForHandle(handle);
var other = scr.Primary ? GetSecondaryMonitor() : GetPrimaryMonitor();
if (Windows.IsMaximized(handle))
{
Windows.RestoreWindow(handle);
}
User32Interop.RECT rect;
User32Interop.GetWindowRect(handle, out rect);
User32Interop.MoveWindow(handle, other.WorkingArea.Left, other.WorkingArea.Top, rect.right - rect.left, rect.bottom - rect.top, true);
}
/// <summary>
/// Callback function for the enumwindows function
/// </summary>
/// <param name="winHandle">enumerated window handle</param>
/// <param name="lParam">nod used </param>
/// <returns></returns>
private static bool enumWindowsCallback(IntPtr winHandle, int lParam)
{
var buffer = new StringBuilder(1024);
User32Interop.GetWindowText(winHandle, buffer, buffer.Capacity);
var windowTitle = buffer.ToString();
// save the window only if it is visible and contains a title
// and has an app icon (this criterium is needed to not display "Start" and "Program Manager")
// this can be altered in the future to add other filtering criteria
if (User32Interop.IsWindowVisible(winHandle) &&
(!string.IsNullOrEmpty(windowTitle)) && (GetAppIcon(winHandle) != null))
{
Log.Debug("hWnd=" + winHandle + " windowTitle=" + windowTitle);
var info = new WindowInfo(winHandle, windowTitle);
windowList.Add(info);
}
// return true to continue enumerating windows.
return(true);
}
/// <summary>
/// Gets the pop window (if any) of the specified window
/// </summary>
/// <param name="window">Window handle</param>
/// <returns>handle if found, IntPtr.Zero else</returns>
private static IntPtr getWindowPopup(IntPtr window)
{
var windowLevel = 32;
var targetWindow = window;
while (windowLevel-- > 0)
{
IntPtr popupWindow = User32Interop.GetLastActivePopup(targetWindow);
if (User32Interop.IsWindowVisible(popupWindow))
{
return(popupWindow);
}
if (popupWindow == targetWindow)
{
return(IntPtr.Zero);
}
targetWindow = popupWindow;
}
return(IntPtr.Zero);
}
/// <summary>
/// Gets the icon associated with the specified window
/// </summary>
/// <param name="winHandle">window handle</param>
/// <returns>the icon, null if it can't find one</returns>
public static Icon GetAppIcon(IntPtr winHandle)
{
Log.Debug("hWnd=" + winHandle);
IntPtr hIcon = User32Interop.SendMessage(winHandle, WM_GETICON, ICON_BIG, 0);
if (hIcon == IntPtr.Zero)
{
hIcon = User32Interop.SendMessage(winHandle, WM_GETICON, ICON_SMALL, 0);
if (hIcon == IntPtr.Zero)
{
hIcon = User32Interop.SendMessage(winHandle, WM_GETICON, ICON_SMALL2, 0);
if (hIcon == IntPtr.Zero)
{
hIcon = getClassLongPtr(winHandle, GCL_HICON);
if (hIcon == IntPtr.Zero)
{
hIcon = getClassLongPtr(winHandle, GCL_HICONSM);
if (hIcon == IntPtr.Zero)
{
return(null);
}
}
}
}
}
Icon icon = null;
if (hIcon != IntPtr.Zero)
{
icon = Icon.FromHandle(hIcon);
}
return(icon);
}
/// <summary>
/// Returns if the specified key is printable or not
/// </summary>
/// <param name="key">key to check</param>
/// <returns>true if it is</returns>
public static bool IsPrintable(Keys key)
{
return(key == Keys.Enter || !char.IsControl((char)User32Interop.MapVirtualKey((int)key, 2)));
}
/// <summary>
/// Is capslock engaged?
/// </summary>
/// <returns></returns>
public static bool IsNumLockOn()
{
return(User32Interop.GetKeyState(VK_NUMLOCK) != 0);
}
/// <summary>
/// Is capslock engaged?
/// </summary>
/// <returns></returns>
public static bool IsCapsLockOn()
{
return(User32Interop.GetKeyState(VK_CAPITAL) != 0);
}
/// <summary>
/// Simulates a right mouse drag at the current
/// cursor position by sending a right button down event
/// </summary>
public static void SimulateRightMouseDrag()
{
User32Interop.mouse_event(User32Interop.MOUSEEVENTF_RIGHTDOWN, Cursor.Position.X, Cursor.Position.Y, 0, 0);
}
/// <summary>
/// Simulates a middle button drag at the current
/// cursor position by sending a middle button down event
/// </summary>
public static void SimulateMiddleMouseDrag()
{
User32Interop.mouse_event(User32Interop.MOUSEEVENTF_MIDDLEDOWN, Cursor.Position.X, Cursor.Position.Y, 0, 0);
}
/// <summary>
/// Simulates a left click at the current
/// mouse position
/// </summary>
public static void SimulateLeftMouseClick()
{
User32Interop.mouse_event(User32Interop.MOUSEEVENTF_LEFTDOWN |
User32Interop.MOUSEEVENTF_LEFTUP, Cursor.Position.X, Cursor.Position.Y, 0, 0);
}
/// <summary>
/// Synchronously enumerates windows and returns a window list
/// </summary>
/// <returns>list of windows</returns>
public static List <WindowInfo> Enumerate()
{
windowList = new List <WindowInfo>();
User32Interop.EnumDesktopWindows(IntPtr.Zero, enumWindowsCallback, IntPtr.Zero);
return(windowList);
}
