F1026 File not found: 'DockForm.dcu'

Migrating to Delphi 2005/2006/2007/2009/2010 and higher ussues while Delphi code modernization trend.
There is no DockForm.pas in Delphi 2005/2006/2007/2009/2010 sources but you can use it in your application.
DockForm with such a name appeared in Delphi 4/5, with name uDockForm was in Delphi 6/7.
This is a piece of humpbacked advice:
Just add "designide" in Project -> Options -> Packages -> Build with runtime packages.
The design time package with the code in it is needed, add to "require" section.
Such an advice is applied for research only purposes.
First: to run the application on a computer where Delphi is not installed, one will need the copy bpl-file is required.
Second: it is not allowed to deploy any of that code, copyright would be infringed. One should never be recompiling the code in the toolsapi source directory.

---

Stub unit
Unit can be used as a temporary measure, a palliative while migrating to new versions of Delphi

---

unit DockForm;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs;
type
  TDockableForm = class(TForm)
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  DockableForm: TDockableForm;

implementation

{$R *.dfm}

end.

---

Stub DockForm.dfm

---

object DockableForm: TDockableForm
...
...
end

---

If you see "...", this means the code is incomplete and this is done intentionally.
If you are unable to apply this, please contact for assistance.

---

Вы видите "...", это означает, что код не завершён и сделано это намеренно.
Если вам не удалось применить, обращайтесь за консультацией.

Where is Proxies.dcu? Cannot find unit Proxies.pas

Delphi code modernization trend

While migrating to new versions, Delphi may lack the Proxies file.
This is a common issue while porting components.
If application or expert uses designtime information in Delphi 6 and later, one have to replace

uses DsgnIntf;

with

uses DesignIntf, DesignEditors;

But then one can run into an error message 'Cannot find unit Proxies.pas'
If this occures in a run-time package then one should separate out the design-time items and put them into a design-time package.
Humpbacked advice: one should then add DesignIde.dcp to the requires section of your design-time package.
Such an advice is applied for research only purposes.
To run the application on a computer where Delphi is not installed, one will need to copy bpl-file. One are not allowed to deploy any of that code.

If the [Pascal Fatal Error] ... : F1026 File not found: 'DesignIntf.dcu' message occurs, one must put designide in the section requires in package.

---

Stub unit

Can be used as a temporary measure, a palliative while migrating to new versions of Delphi

unit Proxies; interface function IsProxyClass(ComponentClass: TClass): Boolean; implementation function IsProxyClass(ComponentClass: TClass): Boolean; begin ... end; end.

---

If you see "...", this means the code is incomplete and this is done intentionally.
If you are unable to apply this, please contact for assistance.

---

Вы видите "...", это означает, что код не завершён и сделано это намеренно.
Если вам не удалось применить, обращайтесь за консультацией.

---

Переход на новые версии Delphi