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帮忙说明一下啥意思解决办法

热度:6598   发布时间:2013-02-26 00:00:00.0
帮忙说明一下啥意思
public const int WM_USER = 0x400; 
  public const int WS_CHILD = 0x40000000; 
  public const int WS_VISIBLE = 0x10000000; 
  public const int SWP_NOMOVE = 0x2; 
  public const int SWP_NOZORDER = 0x4; 
  public const int WM_CAP_DRIVER_CONNECT = WM_USER + 10; 
  public const int WM_CAP_DRIVER_DISCONNECT = WM_USER + 11; 
  public const int WM_CAP_SET_CALLBACK_FRAME = WM_USER + 5; 
  public const int WM_CAP_SET_PREVIEW = WM_USER + 50; 
  public const int WM_CAP_SET_PREVIEWRATE = WM_USER + 52; 
  public const int WM_CAP_SET_VIDEOFORMAT = WM_USER + 45; 
  public const int WM_CAP_START = WM_USER;
  public const int WM_CAP_SAVEDIB = WM_CAP_START + 25; 

   
  //视频录像变量
  public const int WM_CAP_SEQUENCE = WM_CAP_START + 62;
  public const int WM_CAP_FILE_SET_CAPTURE_FILEA = WM_CAP_START + 20;


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