We Keep Coding

take a snapshot from wecam by using DShowNET library

how can i make a snapshot in my cod:
using DirectX.Capture;
using DShowNET;
private void Form1_Shown(object sender, EventArgs e)
{
DirectX.Capture.Capture capture = null;
Filters filters = null;
capture = new DirectX.Capture.Capture(filters.VideoInputDevices[deviceNo], filters.AudioInputDevices[0]);
capture.PreviewWindow = pictureBox1;
}
private void _Pause_Click(object sender, EventArgs e)
{
//??
}
i want to convert pictureBox1's video stream to a image by clicking on "Pause" button.
and then save pictureBox1's pic(*.jpg) to data base.

Continuous Playing of Different Video Files in a VLC Playlist

I am trying to play different video files continuously on VLC player on my Winform application.
The problem I face is between different playlist videos there is a 1-2 seconds of black screen.
How can I play all videos in my playlist smoothly without any waiting?
private void buttonLoad_Click(object sender, EventArgs e)
{
var uri = new Uri(#"C:\Users\Val\Downloads\000013.ts");
var converted = uri.AbsoluteUri;
var uri2 = new Uri(#"C:\Users\Val\Downloads\000210.ts");
var converted2 = uri2.AbsoluteUri;
axVLCPlugin21.playlist.add(converted);
axVLCPlugin21.playlist.add(converted2);
}
private void buttonStart_Click(object sender, EventArgs e)
{
axVLCPlugin21.MediaPlayerEndReached += new EventHandler(OnTimedEvent);
axVLCPlugin21.playlist.playItem(0);
}
private void OnTimedEvent(object sender, EventArgs e)
{
axVLCPlugin21.playlist.playItem(1);
}
this is a simplified version of what I am trying to do.
When the player reaches end of the first video file it starts the second on by eventhandler function.

The best way I know to play videos seamlessly is to avoid the timed event in your example:
private void buttonLoad_Click(object sender, EventArgs e)
{
var uri = new Uri(#"C:\Users\Val\Downloads\000013.ts");
var converted = uri.AbsoluteUri;
var uri2 = new Uri(#"C:\Users\Val\Downloads\000210.ts");
var converted2 = uri2.AbsoluteUri;
axVLCPlugin21.playlist.add(converted);
axVLCPlugin21.playlist.add(converted2);
}
private void buttonStart_Click(object sender, EventArgs e)
{
axVLCPlugin21.playlist.play();
}

Windows Phone uploading images to azure blob service

I want to upload a photo from my phone to azure blob.
Im using this link
http://www.windowsazure.com/en-us/develop/mobile/tutorials/upload-images-to-storage-wp8/
there is no error or a exception, it just i cant see it and i know the binding is correct,
even when i open the link of the image, there is no photo found.
there is a question similar to this one here
Upload image to Azure blob storage from Windows Phone. Not creating
This is what I'm doing
PhotoChooserTask chooser;
protected override void OnNavigatedTo(NavigationEventArgs e)
{
Refresh();
base.OnNavigatedTo(e);
}
private void PhotoChooserBtn_Click(object sender, RoutedEventArgs e)
{
chooser = new PhotoChooserTask();
chooser.Completed += chooser_Completed;
chooser.Show();
}
Stream stream = null;
void chooser_Completed(object sender, PhotoResult e)
{
stream = e.ChosenPhoto;
BitmapImage sourceImg = new BitmapImage();
sourceImg.SetSource(stream);
ProfileImage.Source = sourceImg;
}
async private void SaveBtn_Click(object sender, RoutedEventArgs e)
{
Images images = new Images() { Username = "7elbeh" };
InsertImage(images);
}
private void RefreshBtn_Click(object sender, RoutedEventArgs e)
{
Refresh();
}
please help.

I have the same error, to solve i convert my Stream to array and use UploadFromByteArrayAsync
byte[] array = imageStream.ToArray();
await blobFromSASCredential.UploadFromByteArrayAsync(array, 0, array.Length);

Error while using webbrowser

So I want to use a webbrowser to show an html file, and print it. I can load the file, but when I try to use webBrowser1.ShowPrintDialog(); I have a script error. I tried to disable this with webBrowser1.ScriptErrorsSuppressed = true; but it doesn't work.
The weird part is that when I run my code in debug(F5), it works, but not in "normal" mode (Ctrl + F5).
My code so far is very simple:
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
webBrowser1.Navigate("http://google.com");
}
private void button1_Click(object sender, EventArgs e)
{
webBrowser1.ScriptErrorsSuppressed = true;
webBrowser1.ShowPrintDialog();
}

Saving images using Aforge

i wrote a code for accessing webcam and on clicking, saving the picture to a folder.
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using AForge.Imaging;
using AForge.Imaging.Filters;
using AForge.Video;
using AForge.Video.DirectShow;
namespace cam
{
public partial class Form1 : Form
{
public static Bitmap _latestFrame;
public Form1()
{
InitializeComponent();
}
private FilterInfoCollection webcam;
private VideoCaptureDevice cam;
Bitmap bitmap;
private void Form1_Load(object sender, EventArgs e)
{
webcam = new FilterInfoCollection(FilterCategory.VideoInputDevice);
foreach (FilterInfo VideoCaptureDevice in webcam)
{
comboBox1.Items.Add(VideoCaptureDevice.Name);
}
comboBox1.SelectedIndex = 0;
}
private void button1_Click(object sender, EventArgs e)
{
cam = new VideoCaptureDevice(webcam[comboBox1.SelectedIndex].MonikerString);
cam.NewFrame += new NewFrameEventHandler(cam_NewFrame);
cam.Start();
}
void cam_NewFrame(object sender, NewFrameEventArgs eventArgs)
{
bitmap = (Bitmap)eventArgs.Frame.Clone();
pictureBox1.Image = bitmap;
}
private void pictureBox1_Click(object sender, EventArgs e)
{
pictureBox1.Image = bitmap;
}
private void button3_Click(object sender, EventArgs e)
{
if (cam.IsRunning)
{
cam.Stop();
}
}
private void button2_Click(object sender, EventArgs e)
{
Bitmap current = (Bitmap)_latestFrame.Clone();
string ActiveDir = AppDomain.CurrentDomain.BaseDirectory;
string filepath = System.IO.Path.Combine(ActiveDir, #"D://picture/");
if (!System.IO.Directory.Exists(filepath))
{
System.IO.DirectoryInfo OutputDir = System.IO.Directory.CreateDirectory(filepath);
string fileName = System.IO.Path.Combine(filepath, #"name.bmp");
if (!System.IO.File.Exists(fileName))
{
current.Save(fileName);
}
}
current.Dispose();
}
}
}
In the button2 I have written the code for saving the picture, on building the program, an null reference exception is shown for the given line(Bitmap current = (Bitmap)_latestFrame.Clone();)

As far as I can see in your code, the new image frame is copied to your member variable bitmap. The static member _latestFrame never seem to be assigned.
Therefore, in your button2_Click method, change the first line to:
Bitmap current = (Bitmap)bitmap.Clone();
Now, provided you have received at least one frame from the webcam when you click the button, the frame should be properly saved.
I also think you are overworking the filepath setting in the button2_Click method. To begin with, simply verify that the picture can be properly saved to the active directory by changing your button2_Click method to this:
private void button2_Click(object sender, EventArgs e)
{
Bitmap current = (Bitmap)bitmap.Clone();
string filepath = Environment.CurrentDirectory;
string fileName = System.IO.Path.Combine(filepath, #"name.bmp");
current.Save(fileName);
current.Dispose();
}
This will ensure that a new image will be written to the "current directory" every time you click on the Capture button.
I have tested your code with the above changes, and it works flawlessly.