private static void ActivateProcessMainWindow(IntPtr handle)
{
if (handle != IntPtr.Zero)
{
APILibrary.ShowWindow(handle, (int)APILibrary.ShowWindowCommands.ShowNA);
APILibrary.SetForegroundWindow(handle);
}
}
public static Image SnipWindow(IntPtr hwnd)
{
APILibrary.RECT rc;
APILibrary.GetWindowRect(hwnd, out rc);
Bitmap bmp = new Bitmap(rc.Right - rc.Left, rc.Bottom - rc.Top, System.Drawing.Imaging.PixelFormat.Format32bppPArgb);
Graphics gbmp = Graphics.FromImage(bmp);
IntPtr hdcbmp = gbmp.GetHdc();
APILibrary.PrintWindow(hwnd, hdcbmp, 0);
gbmp.ReleaseHdc(hdcbmp);
gbmp.Dispose();
return(bmp);
}
public static Image Snip(IntPtr hwnd)
{
APILibrary.fnSetWindowForeground(hwnd);
Thread.Sleep(100);
Rectangle rc = Screen.PrimaryScreen.WorkingArea;
Bitmap bmp = new Bitmap(rc.Width, rc.Height, System.Drawing.Imaging.PixelFormat.Format32bppPArgb);
Graphics g = Graphics.FromImage(bmp);
g.CopyFromScreen(0, 0, 0, 0, rc.Size);
using (LibScreenScraperHelper snipper = new LibScreenScraperHelper(bmp))
if (snipper.ShowDialog() == DialogResult.OK)
{
return(snipper.Image);
}
return(bmp);
}
public static void Impersonate(string domainName, string userName, string userPassword, Action actionToExecute)
{
SafeTokenHandle safeTokenHandle;
try
{
// Call LogonUser to obtain a handle to an access token.
bool returnValue = APILibrary.LogonUser(userName, domainName, userPassword,
APILibrary.LOGON32_LOGON_NEW_CREDENTIALS, APILibrary.LOGON32_PROVIDER_DEFAULT,
out safeTokenHandle);
if (returnValue == false)
{
int ret = Marshal.GetLastWin32Error();
throw new System.ComponentModel.Win32Exception(ret);
}
using (safeTokenHandle)
{
// Use the token handle returned by LogonUser.
using (WindowsIdentity newId = new WindowsIdentity(safeTokenHandle.DangerousGetHandle()))
{
using (WindowsImpersonationContext impersonatedUser = newId.Impersonate())
{
actionToExecute();
if (impersonatedUser != null)
{
impersonatedUser.Undo();
}
}
}
}
}
catch (Exception ex)
{
//ex.HandleException();
//On purpose: we want to notify a caller about the issue /Pavel Kovalev 9/16/2016 2:15:23 PM)/
//throw;
}
}
protected override bool ReleaseHandle()
{
return(APILibrary.CloseHandle(handle));
}
