public static string GeServiceTag()
{
try
{
string ret = Win32_BIOSReader.Read().SerialNumber;
if (ret != null)
{
if (ret.Length > SERVICE_TAG_SIZE)
{
ret = ret.Substring(0, SERVICE_TAG_SIZE);
}
else
{
string strDefault = "1234567";
ret = ret + strDefault.Substring(0, SERVICE_TAG_SIZE - ret.Length);
}
return(ret);
}
else
{
return("0000000");
}
}
catch (Exception ex)
{
CommonTools.HandleException(ex);
return("1234567");
}
}
public static bool GetInteger(int min, int max, out int ret)
{
if (max <= min)
{
ret = 0;
return(false);
}
try
{
RNGCryptoServiceProvider gen = new RNGCryptoServiceProvider();
byte[] rand = new byte[4];
gen.GetBytes(rand);
var v = BitConverter.ToInt32(rand, 0);
v = (Math.Abs(v) % (max - min + 1));
v += min;
ret = v;
return(true);
}
catch (Exception ex)
{
CommonTools.HandleException(ex);
ret = 0;
return(false);
}
}
public static bool IsValidCredentialByLogonUser(string user, string password, out int errorCode)
{
bool isValid = false;
errorCode = 0;
IntPtr token = new IntPtr();
try
{
if (true == LogonUser(user, mDomain, password, LogonTypes.Interactive, LogonProviders.Default, out token))
{
isValid = true;
}
else
{
errorCode = Marshal.GetLastWin32Error();
if (ERROR_ACCOUNT_RESTRICTION == errorCode)
{
isValid = true;
}
}
}
catch (Exception ex)
{
CommonTools.HandleException(ex);
}
finally
{
CloseHandle(token);
}
return(isValid);
}
public static bool OpenInDefaultApplication(string path, string arg = null)
{
bool bSuccess = false;
try
{
if (File.Exists(path) && !IsUnsafeFileType(path))
{
CommonTools.Log("[Opening " + @path + "].");
System.Diagnostics.Process.Start(path, arg);
bSuccess = true;
CommonTools.Log("[" + path + "] opened.");
}
else
{
CommonTools.Log("[" + path + "] not found.");
}
}
catch (Exception ex)
{
CommonTools.HandleException(ex);
}
return(bSuccess);
}
public static string GetDisplayName()
{
try
{
return(System.DirectoryServices.AccountManagement.UserPrincipal.Current.DisplayName);
}
catch (Exception ex)
{
CommonTools.HandleException(ex);
return(null);
}
}
public static string ToJson <T>(object obj)
{
try
{
JavaScriptSerializer json = new JavaScriptSerializer();
string strJson = json.Serialize(obj);
return(strJson);
}
catch (Exception ex)
{
CommonTools.HandleException(ex);
return(null);
}
}
public static T ParseJason <T>(string jason)
{
string ret = string.Empty;
try
{
JavaScriptSerializer ser = new JavaScriptSerializer();
return(ser.Deserialize <T>(jason));
}
catch (Exception ex)
{
CommonTools.HandleException(ex);
return(default(T));
}
}
public static bool OpenURL(string url)
{
bool bSuccess = false;
try
{
if (false == String.IsNullOrEmpty(url))
{
CommonTools.Log("[Opening URL =>" + @url + "].");
System.Diagnostics.Process.Start(url);
bSuccess = true;
}
}
catch (Exception ex)
{
CommonTools.HandleException(ex);
}
return(bSuccess);
}
public static Rect GetGlobalBounds()
{
try
{
int left = 10000;
int top = 10000;
int bottom = 0;
int right = 0;
foreach (System.Windows.Forms.Screen screen in System.Windows.Forms.Screen.AllScreens)
{
if (screen.Bounds.Left < left)
{
left = screen.Bounds.Left;
}
if (screen.Bounds.Top < top)
{
top = screen.Bounds.Top;
}
if (screen.Bounds.Right > right)
{
right = screen.Bounds.Right;
}
if (screen.Bounds.Bottom > bottom)
{
bottom = screen.Bounds.Bottom;
}
}
Rect rect = new Rect(left, top, right - left, bottom - top);
return(rect);
}
catch (Exception ex)
{
CommonTools.HandleException(ex);
return(new Rect(0, 0, 0, 0));
}
}
public static bool LogOnUser(string user, string password)
{
try
{
int ret;
if (LogonUtility.IsValidCredentialByLogonUser(user, password, out ret))
{
return(true);
}
else
{
return(false);
}
}
catch (Exception ex)
{
CommonTools.HandleException(ex);
return(false);
}
}
public static string GetMIME(string sRequestedFile)
{
String sFileExt = "";
sRequestedFile = sRequestedFile.ToLower();
int iStartPos = sRequestedFile.LastIndexOf(".") + 1;
sFileExt = sRequestedFile.Substring(iStartPos);
try
{
if (sFileExt.Equals("jpg") || sFileExt.Equals("JPG"))
{
return("image/jpeg");
}
else if (sFileExt.Equals("mp4"))
{
return("video/mp4");
}
else if (sFileExt.Equals("mp3"))
{
return("audio/mpeg");
}
else if (sFileExt.Equals("3gp"))
{
return("video/3gpp");
}
else
{
return("");
}
}
catch (Exception ex)
{
CommonTools.HandleException(ex);
}
return("");
}
public static Bitmap Capture(int x, int y, int w, int h)
{
try
{
Bitmap bmpScreenCapture = new Bitmap(w, h);
using (Graphics g = Graphics.FromImage(bmpScreenCapture))
{
g.CopyFromScreen(x - w / 2,
y - w / 2,
0, 0,
bmpScreenCapture.Size,
CopyPixelOperation.SourceCopy);
}
return(bmpScreenCapture);
}
catch (Exception ex)
{
CommonTools.HandleException(ex);
return(null);
}
}
