C# Discussion Boards - CodeProject

Re: I have this code in C # more people basic_info returns 0!? Can someone help me?

25-Oct-15 9:18

what would be the right size for a notepad for example?

Member 1208599525-Oct-15 9:23

Re: I have this code in C # more people basic_info returns 0!? Can someone help me?

25-Oct-15 9:23

how do I get the correct size?

Pete O'Hanlon25-Oct-15 12:06

Pete O'Hanlon

25-Oct-15 12:06

The last parameter (the one you use 28 in place) should look like this:

(uint)Marshal.SizeOf(typeof(MEMORY_BASIC_INFORMATION))

Re: I have this code in C # more people basic_info returns 0!? Can someone help me?

Member 1208599525-Oct-15 12:16

Re: I have this code in C # more people basic_info returns 0!? Can someone help me?

25-Oct-15 12:16

changed evil is still return 0 !!in basic_info !!when I moved 28 to 100 come some values but not complete!!

Pete O'Hanlon25-Oct-15 12:48

Pete O'Hanlon

25-Oct-15 12:48

Take a look at the code here[^]

Re: I have this code in C # more people basic_info returns 0!? Can someone help me?

Member 1208599525-Oct-15 13:04

Re: I have this code in C # more people basic_info returns 0!? Can someone help me?

25-Oct-15 13:04

I work!! compile for Win32 and worked do not know 'cause for win64 was giving erro

Member 1208599525-Oct-15 12:24

Files importation library design problem

25-Oct-15 12:24

what might be going wrong?

jonatan_55624-Oct-15 8:49

jonatan_556

24-Oct-15 8:49

Hi everyone,
First of all apologise for any english mistake as english is not my natural language.

Problem to Solve:
I need to import data from 3 flat files. It might be a 4 one. The files will be very similar in structure. I mean the data contained in the files are very similar in structure. In these files each line represents a record to imported into an object object. The way to process the file is the same for all files. Each line represents a new record and each file has a related file that tells you which bit in the line to extract and the length of that bit. These fetched bit represent properties in C# objects.I'm thinking in reading the files line by line returning a String and per string will use the related file to extract the necessary/right info and export the data into an object.

I would like help with the following:
1) Which structure should I use store the static (maybe constant) information in the related files used to fetch the right bits of info from the returned strings.

2) How should I design the class library responsible for all this process in terms of classes, interfaces...maybe a "factory"

Many thanks.

Re: Files importation library design problem

BillWoodruff24-Oct-15 20:25

BillWoodruff

24-Oct-15 20:25

A key question here (to me) is whether you created this format, and have the "rights" to select/implement another strategy, or whether you have to use this format.

I say this because I hypothesize that whatever you are doing here could be done with standard serialization/deserialization techniques using .NET WCF (DataContract, DataMember), and result in more maintainable, less elaborate, code ... without any major penalty in terms of memory consumption, file-size, etc.

Having a set of files where each file has an associated "schema" file to be used for parsing the data in the file, is an okay choice ... depending.

Your mention of "records" suggests this is a database app, but your speaking of "imported into an object" and "These fetched bit represent properties in C# objects" suggest this is more a problem involving deserialization.

Please clarify your question further.

«I want to stay as close to the edge as I can without going over. Out on the edge you see all kinds of things you can't see from the center» Kurt Vonnegut.

Re: Files importation library design problem

jonatan_55625-Oct-15 8:06

jonatan_556

25-Oct-15 8:06

Hi BillWoodruff,
Thanks for answering.

I do not have the right to implement another strategy. I have to use the formats provided. if they will change in the future I do not know. The format of the files, the files containing data and their associated schemas, will be sent from a "third party" system. The files Will have a fixed structure. Base on the associated schemas I need to parse each line.

When I say "records" I mean an entity. Each line of the file represents and entity. Let say that each line represents the entity Person. And based on the associated schema files I will parse the line to get the age, name, gender, etc.... Then I will create an instance of the object Person with this fetched data. Later everything will be stored in a database.

Hope this helps to clarify.
Any doubt please just let me know.

Many thanks for help.

String was not recognized as a valid DateTime in local works fine but not in server

yemen_mansour24-Oct-15 2:15

yemen_mansour

24-Oct-15 2:15

I have to deploy my project from local to the server,in local it works fine but the problem when I try to drop the database "sma" and recreate it,I get this error:

"Message":"An error has occurred.","ExceptionMessage":"String was not recognized as a valid DateTime.","ExceptionType":"System.FormatException","StackTrace":"   at System.DateTime.Parse(String s)\r\n   at SMA.Entities.Models.SMADBInitializer.Seed(SMAContext context)\r\n   at System.Data.Entity.DropCreateDatabaseAlways`1.InitializeDatabase(TContext context)\r\n   at System.Data.Entity.Internal.InternalContext.PerformInitializationAction(Action action)\r\n

I work on rest API service with asp.net MVC5,it works fine and the database was created with the tables in local(xampp),but I get this error in the server (Windows Server 2012),many tables are created but others not !! I don't know why did I miss any thing

thanks a lot for help

Re: String was not recognized as a valid DateTime in local works fine but not in server

Eddy Vluggen24-Oct-15 5:50

Eddy Vluggen

24-Oct-15 5:50

Sounds like the date-format (a culture-setting) is different from your local development machine. Make sure that what you are passing into DateTime.Parse is a valid date in the correct format.

Bastard Programmer from Hell Suspicious | :suss:

If you can't read my code, try converting it here[^]

JSON to DataGrid View

seipekm23-Oct-15 23:08

23-Oct-15 23:08

i need help
i search a solution for my problem

this is the Json

{
  "files": [
    {
      "date": 1445521605, 
      "gcodeAnalysis": {
        "estimatedPrintTime": 530.8143991643507, 
        "filament": {
          "tool0": {
            "length": 74.55374000000013, 
            "volume": 0.0
          }
        }
      }, 
      "hash": "713a103e403781e9edf4b7dafc5ecd75e9f24ad0", 
      "links": [], 
      "name": "19_Space_Shuttle_Discovery_Main_Engine_Connection_(Design_Share_Make).STL.gcode", 
      "origin": "local", 
      "refs": {
        "download": "http://192.168.1.182/downloads/files/local/19_Space_Shuttle_Discovery_Main_Engine_Connection_(Design_Share_Make).STL.gcode", 
        "resource": "http://192.168.1.182/api/files/local/19_Space_Shuttle_Discovery_Main_Engine_Connection_%28Design_Share_Make%29.STL.gcode"
      }, 
      "size": 57850, 
      "type": "machinecode"
    }, 
    {
      "date": 1445521610, 
      "gcodeAnalysis": {
        "estimatedPrintTime": 1872.1848191080057, 
        "filament": {
          "tool0": {
            "length": 481.17632000000054, 
            "volume": 0.0
          }
        }
      }, 
      "hash": "54f64a3081d6f70a217b94f8b62364c7c59f70d8", 
      "links": [], 
      "name": "20_Space_Shuttle_Discovery_Manoeuvring_Engine_Left_(Design_Share_Make).STL.gcode", 
      "origin": "local", 
      "refs": {
        "download": "http://192.168.1.182/downloads/files/local/20_Space_Shuttle_Discovery_Manoeuvring_Engine_Left_(Design_Share_Make).STL.gcode", 
        "resource": "http://192.168.1.182/api/files/local/20_Space_Shuttle_Discovery_Manoeuvring_Engine_Left_%28Design_Share_Make%29.STL.gcode"
      }, 
      "size": 928161, 
      "type": "machinecode"
    }, 
    {
      "date": 1445521575, 
      "gcodeAnalysis": {
        "estimatedPrintTime": 20294.513776836233, 
        "filament": {
          "tool0": {
            "length": 14730.938639999962, 
            "volume": 0.0
          }
        }
      }, 
      "hash": "31d84126f9c206bb2d5161c63d09ee0af693672f", 
      "links": [], 
      "name": "11_Space_Shuttle_Discovery_Base_(Design_Share_Make).STL_104524.gcode", 
      "origin": "local", 
      "refs": {
        "download": "http://192.168.1.182/downloads/files/local/11_Space_Shuttle_Discovery_Base_(Design_Share_Make).STL_104524.gcode", 
        "resource": "http://192.168.1.182/api/files/local/11_Space_Shuttle_Discovery_Base_%28Design_Share_Make%29.STL_104524.gcode"
      }, 
      "size": 5072778, 
      "type": "machinecode"
    }
]
}

i will listing all name, length, size etc. in a Gridview
Who can help me?
I thank you in advance

Martin

OriginalGriff23-Oct-15 23:14

23-Oct-15 23:14

What's the problem?
What have you tried?
Where are you stuck?
What help do you need?

Bad command or file name. Bad, bad command! Sit! Stay! Staaaay...

seipekm23-Oct-15 23:21

23-Oct-15 23:21

How to display from this json file, all the name in a GridView

OriginalGriff23-Oct-15 23:31

23-Oct-15 23:31

And?
I repeat:

What have you tried?
Where are you stuck?
What help do you need?

We can't see your screen, access your HDD, or read your mind - we only get exactly what you tell us!

Bad command or file name. Bad, bad command! Sit! Stay! Staaaay...

seipekm23-Oct-15 23:38

23-Oct-15 23:38

this i tried
files.cs

using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace DataGridJsonTest
{   
    class DataFiles
    {
        public file[] files { get; set; }
    }

    public class file
    {
        public string name { get; set; }
    }
}

Form1.cs

 using MetroFramework.Forms;
using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Net;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace DataGridJsonTest
{
    public partial class Form1 : MetroForm
    {
        public Form1()
        {
            InitializeComponent();

            WebClient client = new WebClient();
            var json = client.DownloadString("http://192.168.1.182/api/files/local?apikey=A6C6603BB2F743D6B084D7F52E568011");

            List<DataFiles> DataFiles = JsonConvert.DeserializeObject<List<DataFiles>>(json); 

            gvData.DataSource = DataFiles;
        }
    }
}

i will all names in a GridView

OriginalGriff23-Oct-15 23:42

23-Oct-15 23:42

And?

What did it do that you didn't expect, or not do that you did?

What happened? What was displayed, what wasn't?
What was in json after the download? What did the debugger show?
What went in the List?

Bad command or file name. Bad, bad command! Sit! Stay! Staaaay...

seipekm23-Oct-15 23:52

23-Oct-15 23:52

i get this exception:

Cannot deserialize the current JSON object (e.g. {"name":"value"}) into type 'System.Collections.Generic.List`1[DataGridJsonTest.DataFiles]' because the type requires a JSON array (e.g. [1,2,3]) to deserialize correctly.

To fix this error either change the JSON to a JSON array (e.g. [1,2,3]) or change the deserialized type so that it is a normal .NET type (e.g. not a primitive type like integer, not a collection type like an array or List<t>) that can be deserialized from a JSON object. JsonObjectAttribute can also be added to the type to force it to deserialize from a JSON object.

Path 'files', line 2, position 11.

this is the json download:

{
  "files": [
    {
      "date": 1445521605, 
      "gcodeAnalysis": {
        "estimatedPrintTime": 530.8143991643507, 
        "filament": {
          "tool0": {
            "length": 74.55374000000013, 
            "volume": 0.0
          }
        }
      }, 
      "hash": "713a103e403781e9edf4b7dafc5ecd75e9f24ad0", 
      "links": [], 
      "name": "19_Space_Shuttle_Discovery_Main_Engine_Connection_(Design_Share_Make).STL.gcode", 
      "origin": "local", 
      "refs": {
        "download": "http://192.168.1.182/downloads/files/local/19_Space_Shuttle_Discovery_Main_Engine_Connection_(Design_Share_Make).STL.gcode", 
        "resource": "http://192.168.1.182/api/files/local/19_Space_Shuttle_Discovery_Main_Engine_Connection_%28Design_Share_Make%29.STL.gcode"
      }, 
      "size": 57850, 
      "type": "machinecode"
    }, 
    {
      "date": 1445521610, 
      "gcodeAnalysis": {
        "estimatedPrintTime": 1872.1848191080057, 
        "filament": {
          "tool0": {
            "length": 481.17632000000054, 
            "volume": 0.0
          }
        }
      }, 
      "hash": "54f64a3081d6f70a217b94f8b62364c7c59f70d8", 
      "links": [], 
      "name": "20_Space_Shuttle_Discovery_Manoeuvring_Engine_Left_(Design_Share_Make).STL.gcode", 
      "origin": "local", 
      "refs": {
        "download": "http://192.168.1.182/downloads/files/local/20_Space_Shuttle_Discovery_Manoeuvring_Engine_Left_(Design_Share_Make).STL.gcode", 
        "resource": "http://192.168.1.182/api/files/local/20_Space_Shuttle_Discovery_Manoeuvring_Engine_Left_%28Design_Share_Make%29.STL.gcode"
      }, 
      "size": 928161, 
      "type": "machinecode"
    }, 
    {
      "date": 1445521575, 
      "gcodeAnalysis": {
        "estimatedPrintTime": 20294.513776836233, 
        "filament": {
          "tool0": {
            "length": 14730.938639999962, 
            "volume": 0.0
          }
        }
      }, 
      "hash": "31d84126f9c206bb2d5161c63d09ee0af693672f", 
      "links": [], 
      "name": "11_Space_Shuttle_Discovery_Base_(Design_Share_Make).STL_104524.gcode", 
      "origin": "local", 
      "refs": {
        "download": "http://192.168.1.182/downloads/files/local/11_Space_Shuttle_Discovery_Base_(Design_Share_Make).STL_104524.gcode", 
        "resource": "http://192.168.1.182/api/files/local/11_Space_Shuttle_Discovery_Base_%28Design_Share_Make%29.STL_104524.gcode"
      }, 
      "size": 5072778, 
      "type": "machinecode"
    }, 
    {
      "date": 1445521544, 
      "gcodeAnalysis": {
        "estimatedPrintTime": 21395.277609150726, 
        "filament": {
          "tool0": {
            "length": 30733.129080000006, 
            "volume": 0.0
          }
        }
      }, 
      "hash": "27e24eb41745f0e10becb1d943e1839f1b6f80ef", 
      "links": [], 
      "name": "3_Space_Shuttle_Discovery_Fuel_Tank_Top_(Design_Share_Make).STL.gcode", 
      "origin": "local", 
      "prints": {
        "failure": 0, 
        "last": {
          "date": 1445602914.995791, 
          "printTime": 25730.869074821472, 
          "success": true
        }, 
        "success": 1
      }, 
      "refs": {
        "download": "http://192.168.1.182/downloads/files/local/3_Space_Shuttle_Discovery_Fuel_Tank_Top_(Design_Share_Make).STL.gcode", 
        "resource": "http://192.168.1.182/api/files/local/3_Space_Shuttle_Discovery_Fuel_Tank_Top_%28Design_Share_Make%29.STL.gcode"
      }, 
      "size": 10581515, 
      "statistics": {
        "averagePrintTime": {
          "prusa_i3": 25730.869074821472
        }, 
        "lastPrintTime": {
          "prusa_i3": 25730.869074821472
        }
      }, 
      "type": "machinecode"
    }, 
    {
      "date": 1445521598, 
      "gcodeAnalysis": {
        "estimatedPrintTime": 1901.21228458015, 
        "filament": {
          "tool0": {
            "length": 210.0233400000004, 
            "volume": 0.0
          }
        }
      }, 
      "hash": "f063b50074a63600f87a9ca901f7b30afc611e8a", 
      "links": [], 
      "name": "17_Space_Shuttle_Discovery_Door_Axle_(Design_Share_Make).STL.gcode", 
      "origin": "local", 
      "refs": {
        "download": "http://192.168.1.182/downloads/files/local/17_Space_Shuttle_Discovery_Door_Axle_(Design_Share_Make).STL.gcode", 
        "resource": "http://192.168.1.182/api/files/local/17_Space_Shuttle_Discovery_Door_Axle_%28Design_Share_Make%29.STL.gcode"
      }, 
      "size": 305184, 
      "type": "machinecode"
    }, 
    {
      "date": 1445521567, 
      "gcodeAnalysis": {
        "estimatedPrintTime": 816.4618858006726, 
        "filament": {
          "tool0": {
            "length": 450.49558000000013, 
            "volume": 0.0
          }
        }
      }, 
      "hash": "9b8a1046efd9b7f5134b529d7abf37f00a056f6e", 
      "links": [], 
      "name": "9_Space_Shuttle_Discovery_Shuttle_Connection_Nose_(Design_Share_Make).STL.gcode", 
      "origin": "local", 
      "refs": {
        "download": "http://192.168.1.182/downloads/files/local/9_Space_Shuttle_Discovery_Shuttle_Connection_Nose_(Design_Share_Make).STL.gcode", 
        "resource": "http://192.168.1.182/api/files/local/9_Space_Shuttle_Discovery_Shuttle_Connection_Nose_%28Design_Share_Make%29.STL.gcode"
      }, 
      "size": 384337, 
      "type": "machinecode"
    }, 
    {
      "date": 1445521613, 
      "gcodeAnalysis": {
        "estimatedPrintTime": 1869.9132371130597, 
        "filament": {
          "tool0": {
            "length": 477.9045600000002, 
            "volume": 0.0
          }
        }
      }, 
      "hash": "b858aec24beb1eb1978638275b28c4b33ce7d398", 
      "links": [], 
      "name": "21_Space_Shuttle_Discovery_Manoeuvring_Engine_Right_(Design_Share_Make).STL.gcode", 
      "origin": "local", 
      "refs": {
        "download": "http://192.168.1.182/downloads/files/local/21_Space_Shuttle_Discovery_Manoeuvring_Engine_Right_(Design_Share_Make).STL.gcode", 
        "resource": "http://192.168.1.182/api/files/local/21_Space_Shuttle_Discovery_Manoeuvring_Engine_Right_%28Design_Share_Make%29.STL.gcode"
      }, 
      "size": 908671, 
      "type": "machinecode"
    }, 
    {
      "date": 1445521592, 
      "gcodeAnalysis": {
        "estimatedPrintTime": 14181.240672296171, 
        "filament": {
          "tool0": {
            "length": 3077.678589999995, 
            "volume": 0.0
          }
        }
      }, 
      "hash": "dff3d560de6652890f68b5de65a6c112772af343", 
      "links": [], 
      "name": "15_Space_Shuttle_Discovery_Door_Left_(Design_Share_Make).STL.gcode", 
      "origin": "local", 
      "refs": {
        "download": "http://192.168.1.182/downloads/files/local/15_Space_Shuttle_Discovery_Door_Left_(Design_Share_Make).STL.gcode", 
        "resource": "http://192.168.1.182/api/files/local/15_Space_Shuttle_Discovery_Door_Left_%28Design_Share_Make%29.STL.gcode"
      }, 
      "size": 6495574, 
      "type": "machinecode"
    }, 
    {
      "date": 1445521620, 
      "gcodeAnalysis": {
        "estimatedPrintTime": 1048.0757616584851, 
        "filament": {
          "tool0": {
            "length": 698.6795200000001, 
            "volume": 0.0
          }
        }
      }, 
      "hash": "d5b9d7595a2eb359e1cd4bfed29db361fafd65b7", 
      "links": [], 
      "name": "23_Space_Shuttle_Discovery_Rudder_(Design_Share_Make).STL.gcode", 
      "origin": "local", 
      "refs": {
        "download": "http://192.168.1.182/downloads/files/local/23_Space_Shuttle_Discovery_Rudder_(Design_Share_Make).STL.gcode", 
        "resource": "http://192.168.1.182/api/files/local/23_Space_Shuttle_Discovery_Rudder_%28Design_Share_Make%29.STL.gcode"
      }, 
      "size": 310327, 
      "type": "machinecode"
    }, 
    {
      "date": 1445521581, 
      "gcodeAnalysis": {
        "estimatedPrintTime": 30252.70226641497, 
        "filament": {
          "tool0": {
            "length": 19989.351199999488, 
            "volume": 0.0
          }
        }
      }, 
      "hash": "af9bd99bb05d9d7e0d4d342bb1906f8d82b7a613", 
      "links": [], 
      "name": "12_Space_Shuttle_Discovery_Body_(Design_Share_Make).STL_104526.gcode", 
      "origin": "local", 
      "refs": {
        "download": "http://192.168.1.182/downloads/files/local/12_Space_Shuttle_Discovery_Body_(Design_Share_Make).STL_104526.gcode", 
        "resource": "http://192.168.1.182/api/files/local/12_Space_Shuttle_Discovery_Body_%28Design_Share_Make%29.STL_104526.gcode"
      }, 
      "size": 11952005, 
      "type": "machinecode"
    }, 
    {
      "date": 1445521571, 
      "gcodeAnalysis": {
        "estimatedPrintTime": 2311.018723774652, 
        "filament": {
          "tool0": {
            "length": 1437.3477499999983, 
            "volume": 0.0
          }
        }
      }, 
      "hash": "c91350a74fd89cc4299cea5a7346e6eb0f87bfab", 
      "links": [], 
      "name": "10_Space_Shuttle_Discovery_Shuttle_Connection_Tail_(Design_Share_Make).STL.gcode", 
      "origin": "local", 
      "refs": {
        "download": "http://192.168.1.182/downloads/files/local/10_Space_Shuttle_Discovery_Shuttle_Connection_Tail_(Design_Share_Make).STL.gcode", 
        "resource": "http://192.168.1.182/api/files/local/10_Space_Shuttle_Discovery_Shuttle_Connection_Tail_%28Design_Share_Make%29.STL.gcode"
      }, 
      "size": 705848, 
      "type": "machinecode"
    }, 
    {
      "date": 1445521564, 
      "gcodeAnalysis": {
        "estimatedPrintTime": 1308.1436209365113, 
        "filament": {
          "tool0": {
            "length": 610.1999300000012, 
            "volume": 0.0
          }
        }
      }, 
      "hash": "64612915715cfb053b54b99c668aed87c781ccad", 
      "links": [], 
      "name": "8_Space_Shuttle_Discovery_Booster_Connection_(Design_Share_Make).STL.gcode", 
      "origin": "local", 
      "refs": {
        "download": "http://192.168.1.182/downloads/files/local/8_Space_Shuttle_Discovery_Booster_Connection_(Design_Share_Make).STL.gcode", 
        "resource": "http://192.168.1.182/api/files/local/8_Space_Shuttle_Discovery_Booster_Connection_%28Design_Share_Make%29.STL.gcode"
      }, 
      "size": 282688, 
      "type": "machinecode"
    }, 
    {
      "date": 1445521557, 
      "gcodeAnalysis": {
        "estimatedPrintTime": 18462.819730850344, 
        "filament": {
          "tool0": {
            "length": 8345.707420000026, 
            "volume": 0.0
          }
        }
      }, 
      "hash": "f0cd1fce92656235bfeb81a98bdaf0fd0728bdea", 
      "links": [], 
      "name": "6_Space_Shuttle_Discovery_Booster_Top_(Design_Share_Make).STL.gcode", 
      "origin": "local", 
      "prints": {
        "failure": 0, 
        "last": {
          "date": 1445652214.773342, 
          "printTime": 21100.850301027298, 
          "success": true
        }, 
        "success": 1
      }, 
      "refs": {
        "download": "http://192.168.1.182/downloads/files/local/6_Space_Shuttle_Discovery_Booster_Top_(Design_Share_Make).STL.gcode", 
        "resource": "http://192.168.1.182/api/files/local/6_Space_Shuttle_Discovery_Booster_Top_%28Design_Share_Make%29.STL.gcode"
      }, 
      "size": 8301076, 
      "statistics": {
        "averagePrintTime": {
          "prusa_i3": 21100.850301027298
        }, 
        "lastPrintTime": {
          "prusa_i3": 21100.850301027298
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      }, 
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Ausnahme ausgelöst: "Newtonsoft.Json.JsonSerializationException" in Newtonsoft.Json.dll
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OriginalGriff24-Oct-15 0:08

24-Oct-15 0:08

At the moment, your JSON data doesn't look anything like the structure you are trying to deserialize it into - so you get an error.
Have a look at this: http://stackoverflow.com/questions/11126242/using-jsonconvert-deserializeobject-to-deserialize-json-to-a-c-sharp-poco-class[^] - it's exactly the same problem, and it's a "pretty" way to solve it.

Bad command or file name. Bad, bad command! Sit! Stay! Staaaay...

seipekm24-Oct-15 1:24