[RESOLVED] Vb nooby question decleration

ok i see people puting code with decleration like the one bellow, and my question is how do i find the name of a dll i need or lib i need, do i use an helping software like spy++ or how do i find the decleration i need?

decleration like this:

VB Code:

Private Declare Sub Sleep Lib "kernel32.dll" (ByVal dwMilliseconds As Long)
Private Declare Function InternetCheckConnection Lib "wininet.dll" Alias "InternetCheckConnectionA" (ByVal lpszUrl As String, ByVal dwFlags As Long, ByVal dwReserved As Long) As Long
Private Declare Function SendMessage Lib "user32" Alias "SendMessageA" (ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, ByVal lParam As Any) As Long
Private Declare Function OSWinHelp% Lib "user32" Alias "WinHelpA" (ByVal hwnd&, ByVal HelpFile$, ByVal wCommand%, dwData As Any)
Private Declare Function ShellAbout Lib "shell32.dll" Alias "ShellAboutA" (ByVal hwnd As Long, Byval szApp As String, Byval szOtherStuff As String, Byval hIcon As Long) As Long
Private Declare Function GetCurrentThread Lib "kernel32" () As Long
Private Declare Function SendMessageString Lib "user32" _
Alias "SendMessageA" (ByVal hwnd As Long, Byval wMsg As Long, Byval wParam As Long, Byval lParam As String) As Long
Declare Function ProcessFirst Lib "kernel32" Alias "Process32First" (ByVal hSnapshot As Long, uProcess As PROCESSENTRY32) As Long
Private Declare Function GetComName Lib "kernel32" Alias "GetComputerNameA" (ByVal lpBuffer As String,

Quote:

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Originally Posted by vbcooler

... how do i find the decleration i need?...

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MSDN on line is one place
ALLAPI Network - another...

Go to AllAPI.Net, and take a look at the API list. There are also tools that you can download. AllAPI has examples of most of them. MSDN also has a list of API's, but they are mostly declared in C++, which have to be translated.