Get pdf properties c class

Net pdf properties display a summary of basic information about one document, such as the author, subject, created time, security settings and etc. Using reflection and custom attributes to map object. Properties enable a class to expose a public way of getting and setting values, while hiding implementation or verification code. By viewing the properties of a pdf document, users are able to learn about pdf file. The following table describes some of the most commonly used properties of the array class. As long as you know the name of the property you are looking for you can extract the data by checking the key, then reading the value string.

The array class provides various properties and methods to work with arrays. Pdf, we can easily set the custom properties for pdf files. Pdf provides a documentinformation class and we can set pdf. File class have no method for access extension,filename,size. Access modifiers define how users of the class can access the property. Behind the scenes, this property value gets handed over to a class, so that something can be done with it. You can retrieve and set the properties of the pdf document as well as. Properties can be different access modifiers like as public, private, protected, internal. Both properties provide get and set accessors, so they are considered readwrite properties. Getvalue, null, replacing the with the actual instance of the class b that you want to get the property value of.

By viewing the properties of a pdf document, users are able to learn about pdf file information as soon as possible. File class is useful for fileinfoarray but i am not using fileinfo array i am using string array only. Properties are named members of classes, structures, and interfaces. Here, compaq and hp cant be objects of the class telephone.

You define classes to represent the types in your application, and then you create objects as instances of these classes. The getitemproperty cmdlet gets the properties of the specified items. All the pages of the pdf files are contained in the of the document objects pagecollection collection. Get list object properties and values using reflection in. They include details such as title, author name, subject, and keywords that identify the. Properties of a class allow instantiated objects to have state with each object controlling its own data. Hence, telephone is a class and the other four are its objects. This sample shows a person class that has two properties. Then click on the fileproperties button and you will have the properties of the file listed for you. Latest update is support for metadata and qr code eci assignment number.

A get property accessor is used to return the property value, and a set property accessor is used to assign a new value. Net class library allowing applications to create pdf files. Adobe acrobat reader dc software is the free global standard for reliably viewing, printing, and commenting on pdf documents. If security is not required, security need not be setby default this will allow assistive technologies to access the document content.

In fact, it is very easy to get the specific information of a pdf file by using information property of the pdfdoucment object. Info property that can be used to change metadata of a pdf document properties such as author, title. Used to get the char object at a specified position in the current string object. Using reflection i can get dynamically the names of these 3 properties id, name, login, but how i get the types of these properties. Info of an existing pdf document screenshot of pdf. Get and remove the value of custom properties for pdf file.

Likewise, in objectoriented programming, a class defines some properties, fields, events, methods, etc. Sometimes, we may need to get the custom properties and update some information on it. The only thing you have in your class at the moment is a private method. Member variables or methods in a class or structures are called fields. A list of important properties of thread class are given below. You can add metadata in an existing pdf document using. Net pdf component, provides a documentinformation class. Metadata property that is useful if you need to access embedded xmp metadata in. For example, you can use this cmdlet to get the value of the lastaccesstime property of a file object. Pdf properties display a summary of basic information about one document, such as the author, subject, created time, security settings and etc. A class can contain fields, methods, properties, and indexers.

Click on the options of title, subject, keywords, or author and you can edit the information as needed. It also gives you the ability to individually receive the get and set accessors as methodinfo classes through the. Document properties accessibility adobe acrobat dc pdf. From the figure given below see figure 1, we can judge the fact that telephone is a combination of sony, ericcson, panasonic, and siemens. They use accessors through which the values of the private fields can be read, written or manipulated. Where, can be public, private, protected or internal. Net allows you to set up your own properties, so that they can be used the same way.

Gets a value indicating whether the array has a fixed size. Hi, i have a requirement to read the custom properties of the pdf file using itextsharp. From there, it is possible to access either individual page objects using their index, or loop through the collection, using a foreach loop, to get all pages. The main use of string class is to provide the properties and methods so that it becomes easy to work with strings. The set accessor enables data members to be assigned, and the get accessor retrieves data member values. The partial class is a library class file the structure is like this public partial class oneclass private int a. The ability to dynamically access class properties can significantly decrease the development time required for a project. Pdf provides a documentinformation class and we can set pdf customer properties through setting properties of documentinformation. Net library for extracting image from adobe pdf page in visual studio.

Pdf library can be used to read and update metadata in pdf documents. Display the value name and data of registry entries in a. Client has a clientid property which corresponds to the primary key in the clients database table. Net application the following example shows how you can set pdfdocument. Users can set pdf properties through setting properties of this class.

A class enables you to create your custom types by grouping variables of other types, methods, and events. That should list all properties, to include the custom tab as well. The foreach statement you display even works from within the class you want to get the properties of. Accessing property of partial class from another class. The get pdf properties operation performs queries on the specified pdf document and returns the results as a pdfpropertiesresult value for information about the general and route evaluation property groups, see common operation properties. And now, its connected to the adobe document cloud. The following screenshot shows result after setting properties. The result is piped to the formatlist cmdlet to display the output as a list. In this example, the set pdf properties include author, title, producer and keywords.

This property is instance of documentactions class which allows to getset. Represents a portable document format pdf document. Select the security tab of the document properties dialog see figure 2. How do i check and change the properties of a pdf file. A class defines the kinds of data and the functionality their objects will have. Net pdf library used to create, read, and edit pdf documents. The propertyinfo class d iscovers the attributes of a property and provides access to property metadata the propertyinfo class is very similar to the fieldinfo class and also contains the ability to set the value of the property on an instance.

Net document properties, also known as metadata, are details about a file that describe or identify it. You can also use this cmdlet to view registry entries and their values. In this article, ill introduce how to get properties of a pdf file using spire. For example, i want that the system returns that the property called name is of the type string and the property called id is of the type int. Pdf file analyzer is designed to read, parse, and display the internal. Its the only pdf viewer that can open and interact with all types of pdf content, including. Properties are an extension of fields and are accessed using the same syntax. Get a pdf files properties or metadata such as title, author, keywords, etc. Net pdf editor is the best html5 pdf editor and asp. The page class provides all the properties related to a particular pdf page. Loadfromstreamasyncirandomaccessstream creates a pdfdocument object, representing a portable document format pdf document, from a stream of data that represents a portable document format pdf document in the file system. Now, consider a class in our application, the client class.