static void OverrideSeekData(GLib.GType gtype, SeekDataNativeDelegate callback)
 {
     unsafe {
         IntPtr *raw_ptr = (IntPtr *)(((long)gtype.GetClassPtr()) + (long)class_abi.GetFieldOffset("seek_data"));
         *raw_ptr = Marshal.GetFunctionPointerForDelegate((Delegate)callback);
     }
 }
        private bool InternalSeekData(ulong offset)
        {
            SeekDataNativeDelegate unmanaged = null;

            unsafe {
                IntPtr *raw_ptr = (IntPtr *)(((long)this.LookupGType().GetThresholdType().GetClassPtr()) + (long)class_abi.GetFieldOffset("seek_data"));
                unmanaged = (SeekDataNativeDelegate)Marshal.GetDelegateForFunctionPointer(*raw_ptr, typeof(SeekDataNativeDelegate));
            }
            if (unmanaged == null)
            {
                return(false);
            }

            bool __result = unmanaged(this.Handle, offset);

            return(__result);
        }
示例#3
0
文件: AppSrc.cs 项目: jwzl/ossbuild
		static void OverrideSeekData (Gst.GLib.GType gtype, SeekDataNativeDelegate callback)
		{
			GstAppSrcClass class_iface = GetClassStruct (gtype, false);
			class_iface.SeekData = callback;
			OverrideClassStruct (gtype, class_iface);
		}