public static IntPtr FindWindowByWindowName(string windowName)
{
return(Win32API.FindWindow(null, windowName));
}
public static IntPtr FindWindowByClassName(string className)
{
return(Win32API.FindWindow(className, null));
}
public static bool SetWindowPosition(IntPtr hWnd, System.Drawing.Point pt)
{
return(Win32API.SetWindowPos(hWnd, IntPtr.Zero, pt.X, pt.Y, 0, 0, Win32API.SetWindowPosFlags.NOSIZE | Win32API.SetWindowPosFlags.NOZORDER));
}
public static bool SetForegroundWindow(IntPtr hWnd)
{
return(Win32API.SetForegroundWindow(hWnd));
}
private static int CalculateAbsoluteCoordinateY(int y)
{
return((y * 65536) / Win32API.GetSystemMetrics(Win32API.SystemMetric.SM_CYSCREEN));
}
private static string GetFilePath(Win32API.SYSTEM_HANDLE_INFORMATION systemHandleInformation, Process process)
{
var ipProcessHwnd = Win32API.OpenProcess(Win32API.ProcessAccessFlags.All, false, process.Id);
var objBasic = new Win32API.OBJECT_BASIC_INFORMATION();
var objObjectType = new Win32API.OBJECT_TYPE_INFORMATION();
var objObjectName = new Win32API.OBJECT_NAME_INFORMATION();
var strObjectName = "";
var nLength = 0;
IntPtr ipTemp, ipHandle;
if (!Win32API.DuplicateHandle(ipProcessHwnd, systemHandleInformation.Handle, Win32API.GetCurrentProcess(), out ipHandle, 0, false, Win32API.DUPLICATE_SAME_ACCESS))
{
return(null);
}
IntPtr ipBasic = Marshal.AllocHGlobal(Marshal.SizeOf(objBasic));
Win32API.NtQueryObject(ipHandle, (int)Win32API.ObjectInformationClass.ObjectBasicInformation, ipBasic, Marshal.SizeOf(objBasic), ref nLength);
objBasic = (Win32API.OBJECT_BASIC_INFORMATION)Marshal.PtrToStructure(ipBasic, objBasic.GetType());
Marshal.FreeHGlobal(ipBasic);
IntPtr ipObjectType = Marshal.AllocHGlobal(objBasic.TypeInformationLength);
nLength = objBasic.TypeInformationLength;
// this one never locks...
while ((uint)(Win32API.NtQueryObject(ipHandle, (int)Win32API.ObjectInformationClass.ObjectTypeInformation, ipObjectType, nLength, ref nLength)) == Win32API.STATUS_INFO_LENGTH_MISMATCH)
{
if (nLength == 0)
{
Console.WriteLine("nLength returned at zero! ");
return(null);
}
Marshal.FreeHGlobal(ipObjectType);
ipObjectType = Marshal.AllocHGlobal(nLength);
}
objObjectType = (Win32API.OBJECT_TYPE_INFORMATION)Marshal.PtrToStructure(ipObjectType, objObjectType.GetType());
if (Is64Bits())
{
ipTemp = new IntPtr(Convert.ToInt64(objObjectType.Name.Buffer.ToString(), 10) >> 32);
}
else
{
ipTemp = objObjectType.Name.Buffer;
}
var strObjectTypeName = Marshal.PtrToStringUni(ipTemp, objObjectType.Name.Length >> 1);
Marshal.FreeHGlobal(ipObjectType);
if (strObjectTypeName != "File")
{
return(null);
}
nLength = objBasic.NameInformationLength;
var ipObjectName = Marshal.AllocHGlobal(nLength);
// ...this call sometimes hangs. Is a Windows error.
while ((uint)(Win32API.NtQueryObject(ipHandle, (int)Win32API.ObjectInformationClass.ObjectNameInformation, ipObjectName, nLength, ref nLength)) == Win32API.STATUS_INFO_LENGTH_MISMATCH)
{
Marshal.FreeHGlobal(ipObjectName);
if (nLength == 0)
{
Console.WriteLine("nLength returned at zero! " + strObjectTypeName);
return(null);
}
ipObjectName = Marshal.AllocHGlobal(nLength);
}
objObjectName = (Win32API.OBJECT_NAME_INFORMATION)Marshal.PtrToStructure(ipObjectName, objObjectName.GetType());
if (Is64Bits())
{
ipTemp = new IntPtr(Convert.ToInt64(objObjectName.Name.Buffer.ToString(), 10) >> 32);
}
else
{
ipTemp = objObjectName.Name.Buffer;
}
if (ipTemp != IntPtr.Zero)
{
var baTemp = new byte[nLength];
try
{
Marshal.Copy(ipTemp, baTemp, 0, nLength);
strObjectName = Marshal.PtrToStringUni(Is64Bits() ? new IntPtr(ipTemp.ToInt64()) : new IntPtr(ipTemp.ToInt32()));
}
catch (AccessViolationException)
{
return(null);
}
finally
{
Marshal.FreeHGlobal(ipObjectName);
Win32API.CloseHandle(ipHandle);
}
}
string path = GetRegularFileNameFromDevice(strObjectName);
try
{
return(path);
}
catch
{
return(null);
}
}
