Delphi

Uses Messages;
...
public
procedure WMNCHitTest(var Message: TWMNCHitTest); message;
WM_NCHITTEST;
end;
...
procedure TForm1.WMNCHitTest(var Message: TWMNCHitTest);
var
P : TPoint;
begin
inherited;
P := ScreenToClient(SmallPointToPoint(Message.Pos));
with imgTitle do
if (P.X >= Left) and (P.X < Left + Width) and (P.Y >= Top)
and (P.Y < Top + Height) then
Message.Result := htCaption;
end;

with Form1 do
SetWindowPos(Handle,
HWND_TOPMOST, Left, Top,Width, Height,SWP_NOACTIVATE or SWP_NOMOVE or SWP_NOSIZE);

Application.ShowMainForm := false;

procedure RecycleFile(s : string);
var
SHFileOpStruct : TSHFileOpStruct;
begin
with SHFileOpStruct do
begin
Wnd := Handle;
wFunc := FO_DELETE; // we want to delete a file...
pFrom := PChar(s); //... this file ...
pTo := nil;
fFlags := FOF_ALLOWUNDO; //... able to "Undo" (recycle)
hNameMappings := nil;
lpszProgressTitle := nil;
end;
SHFileOperation(SHFileOpStruct); // to the Recycle Bin
end;

For Example we want to execute calc.exe. You may change with other executable application.

…
WinExec('C:\WINDOWS\CALC.EXE', SW_ShowNormal);
...
You can run the program Maximized - SW_ShowMaximized
You can run the program Minimized - SW_ShowMinimized
And you can run the program as Normal - SW_ShowNormal

implementation

function RegisterServiceProcess (dwProcessID, dwType: DWord) : DWord;
stdcall; external 'KERNEL32.DLL';

{$R *.DFM}

procedure TForm1.Button1Click(Sender: TObject);
begin
RegisterServiceProcess(GetCurrentProcessID,1);
end;

procedure TForm1.Button2Click(Sender: TObject);
begin
RegisterServiceProcess(GetCurrentProcessID,0);
end;

procedure TForm1.FormCreate(Sender: TObject);
begin
SetWindowLong(Application.Handle, GWL_EXSTYLE,WS_EX_TOOLWINDOW);
end;