//(8)判断程序是否在运行:
procedure TForm1.Button5Click(Sender: TObject);
var PrevInstHandle:Thandle;
AppTitle:pchar;
begin
AppTitle := pchar('test');
PrevInstHandle := FindWindow(nil, AppTitle);
if PrevInstHandle <> 0 then begin
if IsIconic(PrevInstHandle) then
ShowWindow(PrevInstHandle, SW_RESTORE)
else
BringWindowToTop(PrevInstHandle);
SetForegroundWindow(PrevInstHandle);
end;
end;
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