截屏只是模拟了键盘的 {PrtScrn} 及 %{PrntScrn} 未能做到范围的!
不过保存 bmp 是异常的快! 值得保留,学习的! 尤其是要做些逐个像素处理的工作, 例如 破解登入图像的验证码, 十字绣转换软件, excel的电影播放器等! bmp 无疑是最好的选择! 正 文:
Private Declare Sub keybd_event Lib "user32" _ (ByVal bVk As Byte, ByVal bScan As Byte, ByVal dwFlags As Long, ByVal dwExtraInfo As Long) Private Declare Function GetClipboardData Lib "user32" (ByVal wFormat As Long) As Long Private Declare Function CloseClipboard Lib "user32" () As Long Private Declare Function OpenClipboard Lib "user32" (ByVal hwnd As Long) As Long Private Declare Function OleCreatePictureIndirect Lib "olepro32.dll" (PicDesc As PicBmp, RefIID As GUID, ByVal fPictureOwnsHandle As Long, IPic As IPicture) As Long Private Const CF_BITMAP = 2 Private Type PicBmp Size As Long type As Long hBmp As Long hpal As Long Reserved As Long End Type Private Type GUID Data1 As Long Data2 As Integer Data3 As Integer Data4(0 To 7) As Byte End Type Private Sub My_Screen_1() Call keybd_event(vbKeySnapshot, 0, 0, 0) DoEvents End Sub Private Sub My_Screen_2() Call keybd_event(vbKeySnapshot, 1, 1, 1) DoEvents End Sub Sub Scheduled_Snapshot() Dim Pic As PicBmp, IPic As IPicture, IID_IDispatch As GUID Call My_Screen_2 oTime = Now() OpenClipboard 0
With Pic .Size = Len(Pic) .type = 1 .hBmp = GetClipboardData(CF_BITMAP) End With OleCreatePictureIndirect Pic, IID_IDispatch, 1, IPic stdole.SavePicture IPic, "d:\snapshot_" & Format(Now(), "yyyy-mm-dd hhnnss") & ".bmp" CloseClipboard End Sub