protected CFRunLoopSourceCustom()
: base(IntPtr.Zero, true)
{
gch = GCHandle.Alloc(this);
var ctx = new CFRunLoopSourceContext();
ctx.Info = GCHandle.ToIntPtr(gch);
ctx.Schedule = Marshal.GetFunctionPointerForDelegate(ScheduleDelegate);
ctx.Cancel = Marshal.GetFunctionPointerForDelegate(CancelDelegate);
ctx.Perform = Marshal.GetFunctionPointerForDelegate(PerformDelegate);
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(ScheduleDelegate);
ctx.Cancel = Marshal.GetFunctionPointerForDelegate(CancelDelegate);
ctx.Perform = Marshal.GetFunctionPointerForDelegate(PerformDelegate);
var handle = CFRunLoopSourceCreate(IntPtr.Zero, 0, ref ctx);
InitializeHandle(handle);
}
extern static /* CFRunLoopSourceRef */ IntPtr CFRunLoopSourceCreate(/* CFAllocatorRef */ IntPtr allocator, /* CFIndex */ nint order, /* CFRunLoopSourceContext* */ ref CFRunLoopSourceContext context);