Reference TypeScript Definitions

You can find the file with TypeScript definitions for DevExtreme in the DevExtreme zip archive, on GitHub or in the folder where you have installed DevExtreme, which is C:\Program Files (x86)\DevExpress 17.1\DevExtreme\Sources\Lib\ts by default. Add this file to your project. Then, reference this and jQuery TypeScript definition file in your .ts-file.

/// <reference path="TypeScript/jquery.d.ts" />
//  File from the zip archive or from the installation folder...
/// <reference path="TypeScript/dx.all.d.ts" />
//  ...or file from GitHub
/// <reference path="TypeScript/devextreme.d.ts" />

You can also reference TypeScript definitions for Knockout or AngularJS.

/// <reference path="TypeScript/knockout.d.ts" />
/// <reference path="TypeScript/angular.d.ts" />

Along with TypeScript definitions, you need to reference the libraries themselves. See Installation for detailed information.

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