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Using iTextSharp To Watermark /Write Text To Existing PDF's ...
11 May 2008 ... First off, yes, I know there are other tutorials on how to watermark PDF's with iTextSharp . Unfortunately none of them showed me exactly what I ...

Solder a short length of shielded cable to your chosen line plug or socket. If you'd like to use a 3.5mm stereo socket for powered computer speakers the Quick Test cable described previously is perfect. For RCA, the braid (shield) conductor connects to the outer shell, and the inner conductor connects to the center pin. Choose a male or female RCA connector to suit your needs. If you use a male RCA plug you have the convenience of being able to plug your speech synthesizer shield directly into a piece of audio equipment, such as an amplifier or TV. Using a female RCA socket as shown in Figure 9-7 allows you to use a common male-to-male RCA extension cable to do the same thing. Which gender you decide to use depends on what you want to connect your speech synthesizer to and how far away it is. Keep in mind that line-level signals should be kept as short as possible, so if you connect a 10-foot length of cable to your shield and put an RCA plug on the other end, the sound quality might not be very good. Shorter is always better when it comes to maintaining audio signal quality.

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asp.net: Watermark on a Exisiting PDF using iTextsharp Library
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C# demo to guide how to watermark PDF file, stamping text and image watermark to PDF document in C# language.

When this code is executed, these are the results: CreateDirectoryDefault: True Directory C:\MyTestDirectory exists If you want to execute the Unicode version of CreateDirectory, simply change the function declaration to look like this: [DllImport("kernel32.DLL", CharSet=CharSet.Unicode)] public static extern bool CreateDirectory( string dirName, IntPtr securityAttrs);

Figure 9-7. Shielded cable connected to female RCA line plug Once your shield is fitted to an Arduino and plugged into an amplifier you can go to the following section Speech Synthesizer Software to test it out.

The results look the same when this version is executed. Similar VB.NET code to call CreateDirectory is implemented like this: Public Class CreateDirectoryUnicode <DllImport("kernel32.DLL", _ CharSet:=CharSet.Unicode, ExactSpelling:=False)> _ Public Shared Function CreateDirectory( _ ByVal dirName As String, ByVal securityAttrs As IntPtr) _ As Boolean End Function Public Shared Sub Test() Dim result As Boolean _ = CreateDirectory("C:\MyTestDirectory", IntPtr.Zero) Console.WriteLine("CreateDirectoryUnicode: {0}", result) Cleanup() End Sub Private Shared Sub Cleanup() Dim dir As DirectoryInfo _ = New DirectoryInfo("C:\MyTestDirectory") If dir.Exists Then Console.WriteLine("Directory {0} exists", dir.FullName) dir.Delete() End If End Sub End Class The code is executed by calling the static Test method of the class like this: Sub Main() CreateDirectoryUnicode.Test() End Sub The results look the same as the C# version. Be aware that the ExactSpelling field of the DllImport attribute also affects this automatic behavior based on the CharSet. As the name implies, if the ExactSpelling field is true, the function name you declare must exactly match the name of the unmanaged function. Therefore, a value of true for ExactSpelling disables the automatic behavior based on CharSet. Setting ExactSpelling to false allows the automatic behavior just described. The default for ExactSpelling varies by .NET language. C# and C++ default to false, while VB.NET defaults to true. If you want this behavior in VB.NET, you ll need to explicitly set ExactSpelling to false.

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How To Add Watermark On PDF Files - C# Corner
23 Sep 2015 ... There are two kinds of PDF watermarks : text watermark and image watermark . Text watermark is generally used in commercial field to remind ...

add watermark text to pdf using itextsharp c#

Add Watermark to PDFs using iTextSharp – An eye for change….
Apr 16, 2015 · ... you can use iTextSharp in c# projects to add watermark to your PDFs. ... are not aware of iTextSharp, it is basically a .net PDF library which is ...

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pdf watermark c#

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c# add watermark to existing pdf file using itextsharp

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c# add watermark to existing pdf file using itextsharp

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