protected CFRunLoopSourceCustom()
: base(IntPtr.Zero, true)
{
gch = GCHandle.Alloc(this);
var ctx = new CFRunLoopSourceContext();
ctx.Info = GCHandle.ToIntPtr(gch);
ctx.Schedule = Marshal.GetFunctionPointerForDelegate((ScheduleCallback)Schedule);
ctx.Cancel = Marshal.GetFunctionPointerForDelegate((CancelCallback)Cancel);
ctx.Perform = Marshal.GetFunctionPointerForDelegate((PerformCallback)Perform);
var ptr = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(CFRunLoopSourceContext)));
try {
Marshal.StructureToPtr(ctx, ptr, false);
handle = CFRunLoopSourceCreate(IntPtr.Zero, 0, ptr);
} finally {
Marshal.FreeHGlobal(ptr);
}
if (handle == IntPtr.Zero)
{
throw new NotSupportedException();
}
}
protected CFRunLoopSourceCustom ()
: base (IntPtr.Zero, true)
{
gch = GCHandle.Alloc (this);
var ctx = new CFRunLoopSourceContext ();
ctx.Info = GCHandle.ToIntPtr (gch);
ctx.Schedule = Marshal.GetFunctionPointerForDelegate ((ScheduleCallback)Schedule);
ctx.Cancel = Marshal.GetFunctionPointerForDelegate ((CancelCallback)Cancel);
ctx.Perform = Marshal.GetFunctionPointerForDelegate ((PerformCallback)Perform);
var ptr = Marshal.AllocHGlobal (Marshal.SizeOf (typeof(CFRunLoopSourceContext)));
try {
Marshal.StructureToPtr (ctx, ptr, false);
handle = CFRunLoopSourceCreate (IntPtr.Zero, 0, ptr);
} finally {
Marshal.FreeHGlobal (ptr);
}
if (handle == IntPtr.Zero)
throw new NotSupportedException ();
}