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Webcamera, Multithreading and VFW

, 15 Feb 2008 CPOL
An article on webcamera frame-grabbing in a multi-thread environment
vfwwebcamdemo.zip
ImageProcessing.dll
WebCam.exe
WebCamera.dll
vfwwebcamsource.zip
ImageProcessing
Properties
WebCam
Properties
Settings.settings
WebCamera
Properties
WebCamera.csproj.user
namespace SevenZ.WebCam
{
   partial class FormMain
   {
      /// <summary>
      /// Required designer variable.
      /// </summary>
      private System.ComponentModel.IContainer components = null;

      /// <summary>
      /// Clean up any resources being used.
      /// </summary>
      /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
      protected override void Dispose(bool disposing)
      {
         if (disposing && (components != null))
         {
            components.Dispose();
         }
         base.Dispose(disposing);
      }

      #region Windows Form Designer generated code

      /// <summary>
      /// Required method for Designer support - do not modify
      /// the contents of this method with the code editor.
      /// </summary>
      private void InitializeComponent()
      {
         this.pictureBox = new System.Windows.Forms.PictureBox();
         this.btnStart = new System.Windows.Forms.Button();
         this.cmbDevices = new System.Windows.Forms.ComboBox();
         this.btnDeviceProperties = new System.Windows.Forms.Button();
         this.chkGrayScale = new System.Windows.Forms.CheckBox();
         ((System.ComponentModel.ISupportInitialize)(this.pictureBox)).BeginInit();
         this.SuspendLayout();
         // 
         // pictureBox
         // 
         this.pictureBox.Location = new System.Drawing.Point(0, 0);
         this.pictureBox.Name = "pictureBox";
         this.pictureBox.Size = new System.Drawing.Size(320, 200);
         this.pictureBox.TabIndex = 0;
         this.pictureBox.TabStop = false;
         // 
         // btnStart
         // 
         this.btnStart.Location = new System.Drawing.Point(0, 235);
         this.btnStart.Name = "btnStart";
         this.btnStart.Size = new System.Drawing.Size(75, 23);
         this.btnStart.TabIndex = 2;
         this.btnStart.Text = "Start";
         this.btnStart.UseVisualStyleBackColor = true;
         this.btnStart.Click += new System.EventHandler(this.btnStart_Click);
         // 
         // cmbDevices
         // 
         this.cmbDevices.FormattingEnabled = true;
         this.cmbDevices.Location = new System.Drawing.Point(0, 205);
         this.cmbDevices.Name = "cmbDevices";
         this.cmbDevices.Size = new System.Drawing.Size(320, 21);
         this.cmbDevices.TabIndex = 3;
         // 
         // btnDeviceProperties
         // 
         this.btnDeviceProperties.Enabled = false;
         this.btnDeviceProperties.Location = new System.Drawing.Point(75, 235);
         this.btnDeviceProperties.Name = "btnDeviceProperties";
         this.btnDeviceProperties.Size = new System.Drawing.Size(75, 23);
         this.btnDeviceProperties.TabIndex = 4;
         this.btnDeviceProperties.Text = "Device";
         this.btnDeviceProperties.UseVisualStyleBackColor = true;
         this.btnDeviceProperties.Click += new System.EventHandler(this.btnDevice_Click);
         // 
         // chkGrayScale
         // 
         this.chkGrayScale.AutoSize = true;
         this.chkGrayScale.Location = new System.Drawing.Point(225, 237);
         this.chkGrayScale.Name = "chkGrayScale";
         this.chkGrayScale.Size = new System.Drawing.Size(95, 17);
         this.chkGrayScale.TabIndex = 5;
         this.chkGrayScale.Text = "Grayscale filter";
         this.chkGrayScale.UseVisualStyleBackColor = true;
         // 
         // FormMain
         // 
         this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
         this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
         this.ClientSize = new System.Drawing.Size(321, 259);
         this.Controls.Add(this.chkGrayScale);
         this.Controls.Add(this.btnDeviceProperties);
         this.Controls.Add(this.cmbDevices);
         this.Controls.Add(this.btnStart);
         this.Controls.Add(this.pictureBox);
         this.Name = "FormMain";
         this.Text = "Form1";
         this.FormClosed += new System.Windows.Forms.FormClosedEventHandler(this.FormMain_FormClosed);
         ((System.ComponentModel.ISupportInitialize)(this.pictureBox)).EndInit();
         this.ResumeLayout(false);
         this.PerformLayout();

      }

      #endregion

      private System.Windows.Forms.PictureBox pictureBox;
      private System.Windows.Forms.Button btnStart;
      private System.Windows.Forms.ComboBox cmbDevices;
      private System.Windows.Forms.Button btnDeviceProperties;
      private System.Windows.Forms.CheckBox chkGrayScale;
   }
}

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About the Author

Zaur Nasibov
Software Developer
Finland Finland
I'm a Master degree student, studying at the University of Joensuu, Finland.

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Web04 | 2.8.150327.1 | Last Updated 16 Feb 2008
Article Copyright 2007 by Zaur Nasibov
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