Opening an application remotely

We have come to the point where we will evolve our application to perform an action remotely. Here, we'll add a new button to the mobile application, and a remote action will be triggered to open the Windows calculator.

Creating the desktop application

To proceed, open the desktop application project and follow these steps:

1. Add the following units:

uses
 Winapi.ShellAPI, Winapi.Windows;

2. Add an ActionList component.
3. Create a new action:

4. Select Action1, go to the Events tab, and code the OnExecute event:

5. The code for the OnExecute event is as follows:

procedure TFrmCap6.Action1Execute(Sender: TObject);
begin
  ShellExecute(0,'open', PChar('C:\Windows\System32\calc...