怎么样使用C#控制摄像头拍照？

摄像头的，申明一下，不是我的原创，免得某些人说闲话 using System; using System.Runtime.InteropServices; namespace Wuyin.ShoesManager { ///

/// VedioCapture 的摘要说明。 ///

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(); } } } } 实现: VedioCapture VC = new VedioCapture(); VC.CopyToClipBorad(); this.pictureBox1.Image = VC.getCaptureImage();

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