Как на счет такого варианта?
unit Unit1;
interface
uses
System.SysUtils, System.Types, System.UITypes, System.Classes, System.Variants,
FMX.Types, FMX.Graphics, FMX.Controls, FMX.Forms, FMX.Dialogs, FMX.StdCtrls;
type
TForm1 = class(TForm)
Button1: TButton;
procedure Button1Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form1: TForm1;
implementation
{$R *.fmx}
uses
Unit2;
procedure TForm1.Button1Click(Sender: TObject);
begin
Form2.Show;
end;
end.
unit Unit2;
interface
uses
System.SysUtils, System.Types, System.UITypes, System.Classes, System.Variants,
FMX.Types, FMX.Graphics, FMX.Controls, FMX.Forms, FMX.Dialogs, FMX.StdCtrls;
type
TForm2 = class(TForm)
procedure FormCreate(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form2: TForm2;
implementation
{$R *.fmx}
uses
FMX.Platform.Win, Windows;
var
FHandle: THandle;
procedure TForm2.FormCreate(Sender: TObject);
begin
FHandle := WindowHandleToPlatform(Form2.Handle).Wnd;
SetWindowLong(FHandle, GWL_EXSTYLE,
GetWindowLong(FHandle, gwl_exstyle) or WS_EX_APPWINDOW or WS_EX_ACCEPTFILES);
end;
end.
Demo.zip