[DllImport("wininet.dll", SetLastError=true)]
static extern bool HttpQueryInfo(IntPtr hInternet, int dwInfoLevel, ref long lpBuffer, ref long lpdwBufferLength, ref long lpdwIndex);
VB.NET Signature:
Public Declare Function HttpQueryInfo Lib "wininet.dll" Alias "HttpQueryInfoA" (ByVal hHttpRequest As Integer, ByVal lInfoLevel As Integer, ByVal sBuffer As String, ByRef lBufferLength As Integer, ByRef lIndex As Integer) As Integer
VB Signature:
Declare Function HttpQueryInfo Lib "wininet.dll" (TODO) As TODO
User-Defined Types:
None.
Alternative Managed API:
Do you know one? Please contribute it!
Notes:
None.
Tips & Tricks:
Please add some!
Sample Code:
long lLength = 0; long lBufferLen = 4; long lHeaderIndex = 0;
HttpQueryInfo(hRequest, 536870917, ref lLength, ref lBufferLen, ref lHeaderIndex);
This function queries for information about an HTTP request.
9/2/2021 6:03:36 AM - -194.248.173.34
ByVal is a VB keyword that specifies a variable to be passed as a parameter BY VALUE. In other words, if the function or sub changes the value of the internal variable, it does not change the value of the external variable that was passed to it.
4/25/2007 3:19:55 AM - josep1er@cmich.edu-141.209.229.179
ByVal is a VB keyword that specifies a variable to be passed as a parameter BY VALUE. In other words, if the function or sub changes the value of the internal variable, it does not change the value of the external variable that was passed to it.
4/25/2007 3:19:55 AM - josep1er@cmich.edu-141.209.229.179
ByVal is a VB keyword that specifies a variable to be passed as a parameter BY VALUE. In other words, if the function or sub changes the value of the internal variable, it does not change the value of the external variable that was passed to it.
4/25/2007 3:19:55 AM - josep1er@cmich.edu-141.209.229.179
ByRef is a VB keyword that specifies a variable to be passed as a parameter BY REFERENCE. In other words, the pointer to the variable is passed and any change to its value made within the function or sub will change its value outside the function/sub.
4/25/2007 3:19:29 AM - anonymous
ByRef is a VB keyword that specifies a variable to be passed as a parameter BY REFERENCE. In other words, the pointer to the variable is passed and any change to its value made within the function or sub will change its value outside the function/sub.