unit MessageBoxFrom;

interface

uses
  Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
  Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls;

type
  TMessageBoxForm = class(TForm)
    btnClose: TButton;
    lblMessage: TLabel;
    procedure FormClose(Sender: TObject; var Action: TCloseAction);
    procedure btnCloseClick(Sender: TObject);
    Constructor Create(aOwner: TComponent; sJsonData: string);
  private
    { Private declarations }
    context_: string;
  public
    { Public declarations }
    procedure CreateParams(var Params: TCreateParams); override;
  end;

var
  MessageBoxForm: TMessageBoxForm;

implementation

{$R *.dfm}

procedure TMessageBoxForm.CreateParams(var Params: TCreateParams);
begin
  inherited CreateParams(Params);
  Params.ExStyle := WS_EX_APPWINDOW;
  Params.WindowClass.Style := Params.WindowClass.Style or CS_DROPSHADOW;
  Params.WndParent := GetDesktopWindow;
end;

Constructor TMessageBoxForm.Create(aOwner: TComponent; sJsonData: string);
begin
  Inherited Create(aOwner);
  context_:= sJsonData;

  lblMessage.Caption:= context_;
end;

procedure TMessageBoxForm.FormClose(Sender: TObject; var Action: TCloseAction);
begin
  Action := caFree;
end;

procedure TMessageBoxForm.btnCloseClick(Sender: TObject);
begin
  Close;
end;

end.