FromIntPtr() public static méthode

public static FromIntPtr ( IntPtr gcHandle ) : WinHttpRequestState
gcHandle System.IntPtr
Résultat WinHttpRequestState
WinHttpRequestState Class Documentation
Exemple #1
0
        public static void WinHttpCallback(
            IntPtr handle,
            IntPtr context,
            uint internetStatus,
            IntPtr statusInformation,
            uint statusInformationLength)
        {
            WinHttpTraceHelper.TraceCallbackStatus("WinHttpCallback", handle, context, internetStatus);

            if (Environment.HasShutdownStarted)
            {
                WinHttpTraceHelper.Trace("WinHttpCallback: Environment.HasShutdownStarted returned True");
                return;
            }

            if (context == IntPtr.Zero)
            {
                return;
            }

            WinHttpRequestState state = WinHttpRequestState.FromIntPtr(context);

            Debug.Assert(state != null, "WinHttpCallback must have a non-null state object");

            RequestCallback(handle, state, internetStatus, statusInformation, statusInformationLength);
        }
Exemple #2
0
        public static void WinHttpCallback(
            IntPtr handle,
            IntPtr context,
            uint internetStatus,
            IntPtr statusInformation,
            uint statusInformationLength)
        {
            bool invokeCallback = false;

            if (Environment.HasShutdownStarted)
            {
                return;
            }

            if (context == IntPtr.Zero)
            {
                return;
            }

            WinHttpRequestState state = WinHttpRequestState.FromIntPtr(context);

            if (state != null &&
                state.RequestHandle != null &&
                !state.RequestHandle.IsInvalid &&
                state.RequestHandle.DangerousGetHandle() == handle)
            {
                invokeCallback = true;
            }

            WinHttpTraceHelper.TraceCallbackStatus("WinHttpCallback", handle, invokeCallback, internetStatus);

            if (invokeCallback)
            {
                RequestCallback(handle, state, internetStatus, statusInformation, statusInformationLength);
            }
        }