استفاده از توابع Api ؟ (چه جوري تو برنامه به كار ببريم)

دوستان ميخواستم ببينم چه جوري ميشه توابع رو تو برنامه به كار برد :
در زير اين توابع رو چطور ميشه در برنامه به كار برد ؟

1.EndMenu

Private Declare Function EndMenu Lib "user32.dll" () As Long
2.OpenIcon

Private Declare Function Openicon Lib "user32.dll" (ByVal hwnd As Long) As Long

3.SetPixel

Private Declare Function SetPixel Lib "gdi32.dll" (ByVal hdc As Long, ByVal x As Long,ByVal y As Long, ByVal crColor As Long) As Long

4.SetCursorPos

Private Declare Function SetCursorPos Lib "user32.dll" (ByVal x As Long, ByVal y As Long) As Long

5.SetCapture

Private Declare Function SetCapture Lib "user32.dll" (ByVal hwnd As Long) As Long

6.ReleaseCapture

Private Declare Function ReleaseCapture Lib "user32.dll" () As Long

7.PaintDesktop

Private Declare Function PaintDesktop Lib "user32.dll" (ByVal hdc As Long) As Long

8.IsIconic

Private Declare Function IsIconic Lib "user32.dll" (ByVal hwnd As Long) As Long

9.IsNTAdmin

Private Declare Function IsNTAdmin Lib "advpack.dll" (ByVal dwReserved As Long, ByVal lpdwReserved As Long) As Long

10.CreateDirectoryA

Private Declare Function CreateDirectoryA Lib "kernel32.dll" (ByVal lpPathName As String, ByVal lpSecurityAttributes As Long) As Long

با تشكر از دوستاني كه كمك خواهند كرد