The ChangeExtension component enables the user to change extension of path.



The ChangeExtension 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 The ChangeExtension component exposes the following Data In ports by default:
Path:specify the location of the file.
Extension: specify the extension that user need to change.
Data Out Returns the path with Changed Extension (String).


To edit the properties of the ChangeExtension 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 executed.
Delay Before Execution Specifies the wait time (in seconds) before the action is executed.


Let us consider an example.


To Change the Extension of File:

  1. In the Toolbox, expand Utilities and expand File.
  2. Drag the ChangeExtension component and drop it on the Design surface.
  3. Double-click the Path and enter the required filepath.
  4. Double-click the Extension and enter the extension user need to change.


    You can override the existing data source for both the Path and the Extension Data In ports. To override the existing data source:

    • Right-click the required Data In port.
    • Click Override and change the data source.
      To learn more about overriding the data source of the data port, refer the Override section.

    To enable display of the Extension,you can add a MessageBox component to the activity.

  5. To add the MessageBox component.

    • In the Toolbox,Expand General Category.

    • Expand the MessageBox component, drag Show component and drop it on the desig surface.

  6. Connect the control ports in the activity.

  7. In the toolbar, click Run.
    The MessageBox displays the file path with the extension that has been replaced.