我想用C#开发一个与USB接口的摄像头连接并把图像显示出来的程序，不知C#这方面能不能作到？
我想用C#开发一个与USB接口的摄像头连接并把图像显示出来的程序，不知C#这方面能不能作到？ 问题点数：0、回复次数：10Top
1 楼xieyongxiang（不过如此）回复于 2005-06-01 12:15:59 得分 0
能，当然能了，不过，我也没有用C#做过，本人只用DELPHI做过Top
2 楼lx1116（阿牛）回复于 2005-06-01 12:19:44 得分 0
当然能作，俺做过Top
3 楼tianxia1（天下）回复于 2005-06-01 12:37:20 得分 0
只要能得到那个接口就能做Top
4 楼zjh135（aaa）回复于 2005-06-01 12:51:42 得分 0
那里有示例代码？？Top
5 楼mynetpc（大头头不大）回复于 2005-06-10 21:09:19 得分 0
封装api就可以了Top
6 楼lql9935（天涯孤客）回复于 2005-06-10 21:16:13 得分 0
用C＋＋来吧！Top
7 楼ycxdy（ycx）回复于 2005-06-10 21:27:12 得分 0
directshow
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8 楼usepc（usepc）回复于 2005-06-10 21:33:56 得分 0
using System;
using System.Runtime.InteropServices;
namespace Wuyin.ShoesManager
{
/// <summary>
/// VedioCapture 的摘要说明。
/// </summary>
public class VedioCapture
{
private int hCaptureM;
private bool isUnLoad = false;
public VedioCapture()
{
}
[DllImport("avicap32.dll")]
private static extern int capCreateCaptureWindow( string strWindowName, int dwStyle, int x, int y ,int width, int height , int hwdParent, int nID );
[DllImport("user32.dll")]
private static extern int SendMessage( int hwnd , int wMsg, int wParam , int lParam );
[DllImport("user32.dll")]
private static extern int SendMessage( int hwnd , int wMsg, int wParam , string lParam );
[DllImport("Kernel32.dll")]
private static extern bool CloseHandle( int hObject );
public bool Initialize( System.Windows.Forms.Control aContainer , int intWidth, int intHeight )
{
hCaptureM = capCreateCaptureWindow( "", 0x40000000 | 0x10000000, 0,0,intWidth,intHeight,aContainer.Handle.ToInt32() ,1 );
if( hCaptureM == 0 ) return false;
int ret = SendMessage( hCaptureM , 1034, 0,0 );
if( ret == 0 )
{
CloseHandle(hCaptureM);
return false;
}
//WM_CAP_SET_PREVIEW
ret = SendMessage( hCaptureM, 1074, 1, 0 );
if( ret == 0 )
{
this.UnLoad();
return false;
}
//WM_CAP_SET_SCALE
ret = SendMessage( hCaptureM, 1077, 1, 0 );
if( ret == 0 )
{
this.UnLoad();
return false;
}
//WM_CAP_SET_PREVIEWRATE
ret = SendMessage( hCaptureM, 1076, 66, 0 );
if( ret == 0 )
{
this.UnLoad();
return false;
}
return true;
}
public void SingleFrameBegin()
{
//
int ret = SendMessage( hCaptureM, 1094 , 0, 0 );
}
public void SingleFrameEnd()
{
//
int ret = SendMessage( hCaptureM, 1095 , 0, 0 );
}
public void SingleFrameMode()
{
//WM_CAP_GRAB_FRAME
int ret = SendMessage( hCaptureM, 1084 , 0, 0 );
//WM_CAP_SET_PREVIEW
//int ret = SendMessage( hCaptureM, 1074 , 0, 0 );
//WM_CAP_SINGLE_FRAME
//ret = SendMessage( hCaptureM, 1096 , 0, 0 );
}
public void PreviewMode()
{
int ret = SendMessage( hCaptureM, 1074 , 1, 0 );
}
public void UnLoad()
{
int ret = SendMessage( hCaptureM, 1035, 0, 0 );
CloseHandle( this.hCaptureM );
isUnLoad = true;
}
public void CopyToClipBorad()
{
int ret = SendMessage( hCaptureM, 1054, 0, 0 );
}
public void ShowFormatDialog()
{
int ret = SendMessage( hCaptureM, 1065, 0, 0 );
}
public void SaveToDIB( string fileName )
{
int ret = SendMessage( hCaptureM, 1049, 0, fileName );
}
public void ShowDisplayDialog()
{
int ret = SendMessage( hCaptureM, 1067, 0, 0 );
}
public System.Drawing.Image getCaptureImage()
{
System.Windows.Forms.IDataObject iData = System.Windows.Forms.Clipboard.GetDataObject();
System.Drawing.Image retImage = null;
if( iData != null )
{
if( iData.GetDataPresent( System.Windows.Forms.DataFormats.Bitmap ) )
{
retImage = (System.Drawing.Image)iData.GetData( System.Windows.Forms.DataFormats.Bitmap );
}
else if( iData.GetDataPresent( System.Windows.Forms.DataFormats.Dib ) )
{
retImage = (System.Drawing.Image)iData.GetData( System.Windows.Forms.DataFormats.Dib );
}
}
return retImage;
}
~VedioCapture()
{
if( !isUnLoad )
{
this.UnLoad();
}
}
}
}
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9 楼gselec（海宏）回复于 2005-06-10 23:05:38 得分 0
经典，我还一位ｃ＃不能做呢。Top
10 楼zjh135（aaa）回复于 2005-06-13 17:30:55 得分 0
没有注释呢,不知如何用呢??Top
