Load Different Unit in Frame on Click: delphi, frame

Load Different Unit in Frame on Click

Asked by: TimmA

Hello,

i would like to use same frame to load different units (as there are 20+ of them), but can't find any value for that.

it allows me to select unit I want to use during frame insert only and that's it.

Is there any solution for that?

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You cannot do that the way you are thinking. When you add a frame in the IDE, the DFM gets an entry that essentially reads:

inline Frame21: TFrame2
Left = 240
Top = 112
Width = 320
Height = 240
TabOrder = 0
end

Note the inline keyword. It is not something that you can just assign a different frame to.
What you can do is create them dynamically and place them on a TPanel like this:

unit Unit1;
 
interface
 
uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, Unit2, Unit3, StdCtrls, ExtCtrls;
 
type
  TForm1 = class(TForm)
    Panel1: TPanel;
    Button1: TButton;
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
    f2: TFrame2;
    f3: TFrame3;
  end;
 
var
  Form1: TForm1;
 
implementation
 
{$R *.dfm}
 
procedure TForm1.Button1Click(Sender: TObject);
begin
  case Button1.Tag of
  0:
    begin
      if Assigned(f3) then
        f3.Free;
      if not Assigned(f2) then
        f2 := TFrame2.Create(Panel1);
      f2.Parent := Panel1;
      f2.Align := alClient;
      Button1.Tag := 1;
    end;
  1:
    begin
      if Assigned(f2) then
        f2.Free;
      if not Assigned(f3) then
        f3 := TFrame3.Create(Panel1);
      f3.Parent := Panel1;
      f3.Align := alClient;
      Button1.Tag := 0;
    end;
  end;
end;
 
end.

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Load Different Unit in Frame on Click

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