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Step 1 - Create a New Component using the New Component Wizard

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Go Up to Creating a FireMonkey Primitive Control

  1. In the IDE, select Component > New Component.
  2. On the Personality, Framework, and Platform page, select FireMonkey for Delphi:
    NewComponentPerson1.png
    Note: The Personality, Framework, and Platform page does not appear if you already have a project open in the IDE (the current values are used).
  3. On the Ancestor Component page, select FMX.Objects.TShape as the ancestor component:
    AncestorCompn.png
  4. On the Component page, set TRegularPolygon as the name of the class, C:\Users\<user>\Documents\Embarcadero\Studio\Projects\RegularPolygon.pas as the name of a file to create:
    TRegularPolygonCompPage.png
  5. On the Create Unit page, select Install to New Package.
    CreatUnit.png
  6. On the New Package page, set RegularPolygon as the name of the new package to generate:
    NewPackagePage.png
  7. The wizard can open the Save '<UnitFile>' As dialog box asking for the confirmation of the name and the path of the generated unit file. Check that C:\Users\<user>\Documents\Embarcadero\Studio\Projects\RegularPolygon.pas is displayed. Carefully check that the shown path is correct!
    Confirm Unit File
  8. Now you have created your new package project. Select Yes to confirm that this package is for FireMonkey:
    ConfirmMessage.png
  9. The following message confirms that your new component is built, installed, and registered in RAD Studio:
    SecondMessage.png
    Note: Remember the path of the created .BPL file.
  10. Create a new Blank Application:
    1. Right-click the project group in the Project Manager and select Add New Project from the context menu.
    2. Select Delphi Projects > Multi-Device Application from the New Items dialog box, and click OK.
      SelectingFMXHD.png
    3. Select Blank Application, and click OK.
      SelectingFMXHD2.png
  11. Save your new Blank Application as TestRegularPolygon.dproj and save the Unit as TestRegularPolygonUnit.pas. Save the project group as RegularPolygonProjectGroup.groupproj by right-clicking the project group item in the Project Manager and selecting Save Project Group As from the context menu. Notice that the command first sequentially shows dialog boxes asking to save each project in the project group and in the end it shows the dialog box for saving the project group.
  12. Now you see the TRegularPolygon component on the Tool Palette when Form1 is shown in the Form Designer. However, when you drop TRegularPolygon onto the Form Designer, you may notice that TRegularPolygon does not yet display anything. This is because you have not implemented anything yet.
    IDEWithFullPackage.png
  13. Next, you implement the TRegularPolygon component.

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