Source codes

1 files changed, 23 insertions, 0 deletions

diff --git a/WhisperNet/Internal/sCaptureCallbacks.cs b/WhisperNet/Internal/sCaptureCallbacks.cs
new file mode 100644
index 0000000..483c2f2
--- /dev/null
+++ b/WhisperNet/Internal/sCaptureCallbacks.cs
@@ -0,0 +1,23 @@
+using System.Runtime.InteropServices;
+
+namespace Whisper.Internal
+{
+	/// <summary>Unmanaged code calls this to check for cancellation</summary>
+	[UnmanagedFunctionPointer( CallingConvention.StdCall )]
+	public delegate int pfnShouldCancel( IntPtr pv );
+
+	/// <summary>Unmanaged code calls this to notify about the status</summary>
+	[UnmanagedFunctionPointer( CallingConvention.StdCall )]
+	public delegate int pfnCaptureStatus( IntPtr pv, eCaptureStatus status );
+
+	/// <summary>Capture callbacks for unmanaged code</summary>
+	public struct sCaptureCallbacks
+	{
+		/// <summary>Cancellation function pointer</summary>
+		public pfnShouldCancel shouldCancel;
+		/// <summary>Capture status function pointer</summary>
+		public pfnCaptureStatus captureStatus;
+		/// <summary>COntext pointer, only needed for C++ compatibility</summary>
+		public IntPtr pv;
+	}
+}
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