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Fixed Rate Mortgages Savings2ndmortgage Tag School Yonkers New York Savings 2nd Mortgage vfw,fYield - 沉闷的世界 - 博客大巴

Fixed Rate Mortgages Savings2ndmortgage Tag School Yonkers New York Savings 2nd Mortgage

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在住院期间发现的logs/17159883.html，fYield参数如果设置为true，虽然控制很快落入手里，但竟然不能预览。如果是false，要点一下窗口，才能连续图幅预览。待查。

总结问题如下：开始预览后其实是运行了capCaptureSequenceNoFile后，鼠标成漏斗状，过很长时间不能控制，如切换，窗口不会自己paint，点击窗口或按esc会退出该状态。如果改了fYield=true或者加了capSetCallbackOnYield函数，鼠标不成漏斗状，但第一次预览只能抓一张/几张图，第二次预览时间长些，点击/esc停止capture。用spy++看，除了capCaptureSequenceNoFile消息返回时间长些，多次出现，没看到别的异常。

上述问题已经解决。解决的方法，如果有心情就贴出，没就算了。虽然几句程序，但费时不比大段程序，攻关性质的程序和繁复的程序不能按程序量比较。

WM_CAP系列消息的值,用spy++可以看，抄下来这是VB定义的。

Public Const WM_USER = &H400

'// ------------------------------------------------------------------
'//  Window Messages  WM_CAP... which can be sent to an AVICAP window
'// ------------------------------------------------------------------

'// Defines start of the message range
Public Const WM_CAP_START = WM_USER

Public Const WM_CAP_GET_CAPSTREAMPTR = WM_CAP_START + 1

Public Const WM_CAP_SET_CALLBACK_ERROR = WM_CAP_START + 2
Public Const WM_CAP_SET_CALLBACK_STATUS = WM_CAP_START + 3
Public Const WM_CAP_SET_CALLBACK_YIELD = WM_CAP_START + 4
Public Const WM_CAP_SET_CALLBACK_FRAME = WM_CAP_START + 5
Public Const WM_CAP_SET_CALLBACK_VIDEOSTREAM = WM_CAP_START + 6
Public Const WM_CAP_SET_CALLBACK_WAVESTREAM = WM_CAP_START + 7
Public Const WM_CAP_GET_USER_DATA = WM_CAP_START + 8
Public Const WM_CAP_SET_USER_DATA = WM_CAP_START + 9
   
Public Const WM_CAP_DRIVER_CONNECT = WM_CAP_START + 10
Public Const WM_CAP_DRIVER_DISCONNECT = WM_CAP_START + 11
Public Const WM_CAP_DRIVER_GET_NAME = WM_CAP_START + 12
Public Const WM_CAP_DRIVER_GET_VERSION = WM_CAP_START + 13
Public Const WM_CAP_DRIVER_GET_CAPS = WM_CAP_START + 14

Public Const WM_CAP_FILE_SET_CAPTURE_FILE = WM_CAP_START + 20
Public Const WM_CAP_FILE_GET_CAPTURE_FILE = WM_CAP_START + 21
Public Const WM_CAP_FILE_ALLOCATE = WM_CAP_START + 22
Public Const WM_CAP_FILE_SAVEAS = WM_CAP_START + 23
Public Const WM_CAP_FILE_SET_INFOCHUNK = WM_CAP_START + 24
Public Const WM_CAP_FILE_SAVEDIB = WM_CAP_START + 25

Public Const WM_CAP_EDIT_COPY = WM_CAP_START + 30

Public Const WM_CAP_SET_AUDIOFORMAT = WM_CAP_START + 35
Public Const WM_CAP_GET_AUDIOFORMAT = WM_CAP_START + 36

Public Const WM_CAP_DLG_VIDEOFORMAT = WM_CAP_START + 41
Public Const WM_CAP_DLG_VIDEOSOURCE = WM_CAP_START + 42
Public Const WM_CAP_DLG_VIDEODISPLAY = WM_CAP_START + 43
Public Const WM_CAP_GET_VIDEOFORMAT = WM_CAP_START + 44
Public Const WM_CAP_SET_VIDEOFORMAT = WM_CAP_START + 45
Public Const WM_CAP_DLG_VIDEOCOMPRESSION = WM_CAP_START + 46

Public Const WM_CAP_SET_PREVIEW = WM_CAP_START + 50
Public Const WM_CAP_SET_OVERLAY = WM_CAP_START + 51
Public Const WM_CAP_SET_PREVIEWRATE = WM_CAP_START + 52
Public Const WM_CAP_SET_SCALE = WM_CAP_START + 53
Public Const WM_CAP_GET_STATUS = WM_CAP_START + 54
Public Const WM_CAP_SET_SCROLL = WM_CAP_START + 55

Public Const WM_CAP_GRAB_FRAME = WM_CAP_START + 60 oFixed Rate Mortgages Savings2ndmortgage Tag School Yonkers New York Savings 2nd Mortgage vfw,fYield - 沉闷的世界 - 博客大巴d x x Loan 2nd Savings 2nd Mortgage iFixed Rate Mortgages Savings2ndmortgage Tag School Yonkers New York Savings 2nd Mortgage vfw,fYield - 沉闷的世界 - 博客大巴j 2nd