C# Signature:
[DllImport("Winhttp.dll", SetLastError = true)]
static extern IntPtr WinHttpOpen(
String pszAgent,
UInt32 dwAccessType,
[MarshalAs(UnmanagedType.LPWStr)] String pszProxyW,
[MarshalAs(UnmanagedType.LPWStr)] String pszProxyBypass,
UInt32 dwFlags);
[DllImport("winhttp.dll", SetLastError=true)]
static extern IntPtr WinHttpOpenRequest(
IntPtr hConnect,
[MarshalAs(UnmanagedType.LPWStr)] string pwszVerb,
[MarshalAs(UnmanagedType.LPWStr)] string pwszObjectName,
[MarshalAs(UnmanagedType.LPWStr)] string pwszVersion,
[MarshalAs(UnmanagedType.LPWStr)] string pwszReferrer,
ref byte[] ppwszAcceptTypes,
int dwFlags);
or
[DllImport("winhttp.dll", SetLastError=true)]
static extern IntPtr WinHttpOpenRequest(
IntPtr hConnect,
[MarshalAs(UnmanagedType.LPWStr)] string pwszVerb,
[MarshalAs(UnmanagedType.LPWStr)] string pwszObjectName,
[MarshalAs(UnmanagedType.LPWStr)] string pwszVersion,
[MarshalAs(UnmanagedType.LPWStr)] string pwszReferrer,
ref byte[] ppwszAcceptTypes,
InternetFlags dwFlags);
User-Defined Types:
[Flags]
public enum InternetFlags : uint
{
ESCAPE_PERCENT = 0x00000004,
NULL_CODEPAGE = 0x00000008,
ESCAPE_DISABLE = 0x00000040,
ESCAPE_DISABLE_QUERY = 0x00000080,
BYPASS_PROXY_CACHE = 0x00000100,
REFRESH = BYPASS_PROXY_CACHE,
SECURE = 0x00800000,
ASYNC = 0x10000000
}
<Flags()> _
Enum InternetFlags As UInteger
ESCAPE_PERCENT = &H4
NULL_CODEPAGE = &H8
ESCAPE_DISABLE = &H40
ESCAPE_DISABLE_QUERY = &H80
BYPASS_PROXY_CACHE = &H100
REFRESH = BYPASS_PROXY_CACHE
SECURE = &H800000
ASYNC = &H10000000
End Enum
VB Signature:
Declare Function WinHttpOpenRequest Lib "winhttp.dll" (ByVal hConnect As IntPtr, ByVal pwszVerb As String, ByVal pwszObjectName As String, ByVal pwszVersion As String, ByVal pwszReferrer As String, ByRef ppwszAcceptTypes As Byte(), ByVal dwFlags As InternetFlags) As IntPtr
Declare Function WinHttpOpen Lib "winhttp.dll" (
ByVal pszAgent As String, _
ByVal dwAccessType As UInteger, _
ByVal pszProxyW As String, _
ByVal pszProxyBypass As String, _
ByVal dwFlags As UInteger) As IntPtr
Alternative Managed API:
Do you know one? Please contribute it!
Notes:
None.
Tips & Tricks:
Please add some!
Sample Code:
Please add some!
