Your First Aspose.Diagram Application - Hello World

This tutorial shows how to create a very first application (Hello World) using Aspose.Diagram' simple API. This simple application creates a Microsoft Visio file with the text ‘Hello World’ in a specified Page.

Creating the Hello World Application

The steps below creates the Hello World application using the Aspose.Diagram API:

1. Create an instance of the Diagram class.
2. If you have a license, then apply it. If you are using the evaluation version, skip the license related code lines.
3. Create a new Visio file, or open an existing Visio file.
4. Create a new text box.
5. Insert the words Hello World! into a text box.
6. Generate the modified Microsoft Visio file.

The implementation of the above steps is demonstrated in the examples below.

Code Sample: Creating a New Diagram

The following example creates a new diagram from the scratch, writes Hello World! on the first page and saves the Visio file.

Code Sample: Opening an Existing File

The following example opens an existing Microsoft Visio template file named “Sample.vsdx”, inputs “Hello World!” text in the first page and saves the diagram.