Create VSTM Documents via C#

Native and high performance VSTM (Portable Document Format) creation programmatically using server side .NET APIs.

Generating VSTM file dynamically within running application is easy. In order to create VSTM documents from scratch without requiring MS Office, we’ll use

Aspose.Diagram for .NET

API that offers different features for visio creation, manipulation and conversion using .NET platform. Developers can easily enhance code for writing data, generating shapes or graphs.

How to Create VSTM via C#

It is easy for the developers to create, load, modify and convert VSTM within running different reporting applications for data processing in just a few lines of code.

Include the namespace in your class file
Create Diagram class instance.
Access the first page of the diagram.
Add text in the page.
Use Save method to save the diagram as VSTM file.

System Requirements

Just make sure that system have Microsoft Windows or a compatible OS with .NET Framework, .NET Core, Windows Azure, Mono Platforms as well as development environment like Microsoft Visual Studio.

Install from command line as nuget install Aspose.Diagram or via Package Manager Console of Visual Studio with Install-Package Aspose.Diagram.
Alternatively, get the offline MSI installer or all DLLs in a ZIP file from downloads

Following source code shows how to create a VSTM file using C#.
// Create Diagram class instance.
Diagram diagram = new Diagram();

// Access the first page of the diagram.
Page page = diagram.Pages[0];

// Add Text shape.
Shape shape = page.AddText(1, 1, 1, 1, "Test text", "Calibri", "#a5a5a5", 0.25);

// Save the Diagram as .vstm file.
diagram.Save("out.vstm",SaveFileFormat.VSTM);

An Visio Programming Library capable of building cross-platform applications with the ability to generate, modify, convert, render and print VSTM files. .NET Visio API not only convert between spreadsheet formats, it can also render Visio files as images, VSTM, HTML and more, thus making it a perfect choice to exchange documents in industry-standard formats.

VSTM What is VSTM File Format?

Files with VSTM extension are template files created with Microsoft Visio that support macros. Unlike VSDX files, files created from VSTM templates can run macros that are developed in Visual Basic for Applications (VBA) code. A template file can be created in order to provide basic settings of the document that can be utilized to generate further documents with these settings. Visio files are used to create drawings that contain visual objects, flow charts, UML diagram, information flow, organizational charts, software diagrams, network layout, database models, objects mapping and other similar information. Files generated using Visio can also be exported to different file formats such as PNG, BMP, PDF and others.

Other Supported Visio Generation

You can also create other Microsoft Visio formats including few listed below.

VDX (Visio drawing XML File)

VSSX (Visio stencil File)

VSTX (Visio template File)

VSDM (Visio macro-enabled drawing File)

VSSM (Visio macro-enabled stencil File)

VSDX (Visio drawing File)