C# NativeMethods.ToString方法代码示例

 private void ValidateStatus(NativeMethods.BTSTATUS status)
 {
     switch (status)
         {
             case NativeMethods.BTSTATUS.BTSTATUS_SUCCESS:
                 break;
             case NativeMethods.BTSTATUS.BTSTATUS_FAIL:
                 throw new BluesoleilFailException();
             case NativeMethods.BTSTATUS.BTSTATUS_BT_NOT_READY:
                 throw new BluesoleilNotReadyException();
             case NativeMethods.BTSTATUS.BTSTATUS_BT_BUSY:
                 throw new BluesoleilBluetoothBusyException();
             case NativeMethods.BTSTATUS.BTSTATUS_SYSTEM_ERROR:
                 throw new BluesoleilSystemException();
             case NativeMethods.BTSTATUS.BTSTATUS_CONNECTION_NOT_EXIST:
                 throw new BluesoleilNonExistingConnectionException();
             default:
                 throw new BluesoleilException(status.ToString());
         }
 }

 int UnsafeNativeMethods.IOleInPlaceSite.OnPosRectChange(NativeMethods.COMRECT lprcPosRect) {
     // ASURT 68752
     // The MediaPlayer control has a AllowChangeDisplaySize property that users
     // can set to control size changes at runtime, but the control itself ignores that and sets the new size.
     // We prevent this by not allowing controls to call OnPosRectChange(), unless we instantiated the resize.
     // visual basic6 does the same.
     //
     bool useRect = true;
     if (AxHost.windowsMediaPlayer_Clsid.Equals(host.clsid))
         useRect = host.GetAxState(AxHost.handlePosRectChanged);
     
     if (useRect) {
         Debug.WriteLineIf(AxHTraceSwitch.TraceVerbose, "in OnPosRectChange" + lprcPosRect.ToString());
         host.GetInPlaceObject().SetObjectRects(lprcPosRect, host.GetClipRect(new NativeMethods.COMRECT()));
         host.MakeDirty();
     }
     else {
         Debug.WriteLineIf(AxHTraceSwitch.TraceVerbose, "Control directly called OnPosRectChange... ignoring the new size");
     }
     return NativeMethods.S_OK;
 }

 /// <summary>
 /// Calls the event when an error is detected.
 /// </summary>
 /// <remarks>
 /// This method simply calls the event on the current thread that is running.
 /// No checks or serialization occurs.
 /// </remarks>
 /// <param name="e">Event details.</param>
 private void OnCommErrorEvent(NativeMethods.ComStatErrors e)
 {
     if (e == 0) return;
     if (m_Trace.Switch.ShouldTrace(System.Diagnostics.TraceEventType.Verbose)) {
         // e.ToString() is relatively expensive, so only do it if we're logging
         m_Trace.TraceEvent(System.Diagnostics.TraceEventType.Verbose, 0, "{0}: CommErrorEvent: {1}", Name, e.ToString());
     }
     if (CommErrorEvent != null) CommErrorEvent(this, new CommErrorEventArgs(e));
 }