Verification of the password for an account (like when displaying hidden passwords in Google Chrome)

We need an application that will check whether the password is correct for an account (including the empty password). Example: showing saved passwords in Google Chrome. Preferably a ready-made solution. --------------------------------------------------------- Operating Systems: Windows XP 32-bit and 64-bit Windows 7 32-bit and 64-bit Windows 8(.1) 32-bit and 64-bit Windows 10 32-bit and 64-bit --------------------------------------------------------- Programming Language: Delphi 2010 --------------------------------------------------------- To demonstrate the features in full: We need a Delphi application with button: "Check". After clicking on the button, a standart system dialog box appears. As a result of the validation the a "Yes" or "No" message appears. --------------------------------------------------------- As a result of the work we need a functional source code.