ReadFromFile

The ReadfromFile component retrieves an image from the specified location.

Screenshot

Ports

The ReadfromFile component exposes the Control In, Control Out, Data In, and Data In 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 location of the image (string).
Data Out Returns the specified image (bitmap)

Properties

To edit the properties of the ReadfromFile 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.

Example

Let us consider an example

Screenshot

To convert an image to string:

  1. In the Toolbox, expand Utilities and then expand Image Utilities.
    • Drag the ReadFromFile component and drop it on the Design surface.
    • Double-click the filePath box and enter the required path.
  2. Drag the ImageToString component and drop it on the Design surface.
  3. To override the existing data source, right-click the Image box.
  4. Click Override and change the data source.

    Note

    To learn more about the Read From File component, refer the Read from File section.

  5. To enable display of the returned string:

    • In the Toolbox, expand the General.
    • Drag the Message Box component and drop it on the design surface.
  6. To override the existing data source, right-click the filePath box.
  7. Click Override and change the data source.

    Note

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

  8. Connect all the control ports in the activity.

  9. In the toolbar, click Run.
    The specified image is retrieved.