The ReadBytes component reads the specified number of bytes.



The ReadBytes component exposes the Control In, Control Out,Data In, and Data Out ports by default.

Port Description
ControlIn Must be connected to the Control Out port of one or more components.
ControlOut Can be connected to the Control In port of another component or the default end component.
Data In Specifies the file whose bytes are to be read (string).
Data Out Returns (byte).


To edit the properties of the ReadBytes component, in the Properties window, change the required property. You can edit the following properties.

Property Description
Search Search for the respective property.
Delay After Execution Specifies the wait time (in seconds) after the action is performed.
Delay Before Execution Specifies the wait time (in seconds) before the action is performed.


Let us consider an example.


To read the bytes:

  1. In the Toolbox, expand Utilities and then expand File.

  2. Drag the ReadBytes component and drop it on the Design surface.

  3. Double-click the filePath box and enter the required file path.

  4. To override the existing data source, right-click filePath box.

  5. Click Override and change the data source.


    To learn more about overriding the data source of the data port, refer the Override section.

  6. Connect the control ports in the activity.

  7. In the toolbar, click Run.