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Delphi - Microsoft Word COM (1)
Users of Visual Studio.NET will know the importance of cross application support between your business application and Microsoft's office products. Providing your end users with Excel exports or Word reporting can change your software from neat to professional in a matter of minutes.
The technology to interface with Microsoft's office products is nothing new and has existed for 10 years or more. In today's times it has become easier to work with the office products but that does not stop us improving our existing legacy applications.
Using office products with Delphi (5) is achieved through the COM interface. Component Object Model provides a class interface that we can use in much the same way that we use our Delphi.pas classes. By using COM class objects and ActiveX we can work with these office applications at will.
In this article we will concentrate on the Microsoft Word application and how we can use its features together with our Delphi (5) application. Before we look at the features available lets start by looking at how we create a COM call to start MS Word and communicate with the Word application.
In order to use the COM classes and create a Word reference we must include the following classes in our units uses clause:
uses
ComObj, ActiveX, Word2000, OleServer |
These classes are all included with the installation of Delphi (5). However if you wish to use a later version of Word such as Word2003.pas you will need to obtain this file before developing your application. All Office applications pas files are located under the Borland folder.
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