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我试图去通过在 http://bytes.com/topic/net/answers/608057-capturing-video-webcam给出的源代码,但是当我尝试在我的项目复制和粘贴其示值误差说错误与视频捕捉代码
错误1访问性不一致: 参数类型 “View_Box.WebCamCapture.WebcamEventArgs” 比代表不太容易接近 “View_Box.WebCamCapture.WebCamEventHandler”
究竟是我的C问题颂?
下面是我正在编译的代码片段,并且我还突出显示了错误发生的位置的起始箭头和结束箭头。
[System.Drawing.ToolboxBitmap(typeof(WebCamCapture), "CAMERA.ICO")] // toolbox bitmap
[Designer("Sytem.Windows.Forms.Design.ParentControlDesigner,System.Design", typeof(System.ComponentModel.Design.IDesigner))] // make composite
public class WebCamCapture : System.Windows.Forms.UserControl
{
private System.ComponentModel.IContainer components;
private System.Windows.Forms.Timer timer1;
// property variables
private int m_TimeToCapture_milliseconds = 100;
private int m_Width = 320;
private int m_Height = 240;
private int mCapHwnd;
private ulong m_FrameNumber = 0;
private class WebcamEventArgs
{
public Image WebCamImage;
}
// global variables to make the video capture go faster
private WebCamCapture.WebcamEventArgs x = new WebCamCapture.WebcamEventArgs();
private IDataObject tempObj;
private System.Drawing.Image tempImg;
private bool bStopped = true;
// event delegate
-->Error in the below line
public delegate void WebCamEventHandler(object source, WebCamCapture.WebcamEventArgs e);
<--
// fired when a new image is captured
public event WebCamEventHandler ImageCaptured;
#region API Declarations
#region Camera API Constants