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Build a Simple VCL Application for Google Search Results

How to build a simple VCL Application to view Google Search results in RAD Studio using the CData FireDAC Components for Google Search.

Embarcadero RAD Studio provides a development environment for Delphi and C++Builder applications. With the CData FireDAC Components for Google Search, you gain access to live Google Search results within RAD Studio, abstracting the data into tables, views, and stored procedures that can be used to retrieve Google Search results. This article will walk through connecting to Google Search and creating a simple VCL application with the Form Designer.

Creating a VCL Application for Google Search Results

The following instructions show how to use the Form Designer to create a simple VCL Forms application that shows the basic FireDAC objects needed to connect to Google Search from any application.

The following example populates a TDBGrid control.

  1. Create a new VCL Forms Application.
  2. Drop a TFDPhysGoogleSearchDriverLink and TFDConnection object onto the form.
  3. Double-click the TFDConnection object. The FireDAC Connection Editor is displayed. Select "CData.GoogleSearch" in the DriverId menu and configure the connection properties.

    To search with a Google custom search engine, you need to set the CustomSearchId and ApiKey connection properties.

    To obtain the CustomSearchId property, sign into Google Custom Search Engine and create a new search engine.

    To obtain the ApiKey property, you must enable the Custom Search API in the Google API Console.

  4. Drop a TFDQuery object onto the form and set the properties below:

    • Connection - Set this property to the TFDConnection object, if this object is not already specified.
    • SQL - Click the button in the SQL property and enter a query.
    • Active - Set this property to true.
  5. Drop a TDataSource object onto the form and set the following property:

    • DataSet - In the menu for this property, select the name of the TFDQuery object.
  6. Drop a TDBGrid control onto the form and set the following property:

    • DataSource - Select the name of the TDataSource.
  7. Drop a TFDGUIxWaitCursor onto the form. This is required to avoid a run-time error.

You now have an executable application that displays the results of the SQL Query set in the TFDQuery object.