Vb.net屏幕截图 [英] Vb.net ScreenCapture

问题描述

我要为Windows创建服务windwows捕获屏幕，但无法正常工作，请到达ScrenCapture.Start()，但它不会执行任何操作 并且不会给出错误，但是如果我以Windows形式对其进行测试，则相同的代码可能会正常运行?

i have i want to create a windows service for windwows capture screen but is not working the process reach the ScrenCapture.Start() But it does not do anything and does not give error, but if I test it in a form of windows the same code works well that may be happening?

Imports Microsoft.Expression.Encoder.ScreenCapture
Imports isc.isc_utility
Public Class isc_utility_screen_capture
Dim ScrenCapture As ScreenCaptureJob = New ScreenCaptureJob()
Shared SrvDir As String =   System.IO.Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly.Location())
Function StartRecording(ByVal FileName As String)
    Dim Dir = SrvDir
    Dim FileToRecord As String
    FileToRecord = Dir + "\" + FileName + ".wmv"
    Try
        ScrenCapture.OutputScreenCaptureFileName = FileToRecord
        ScrenCapture.CaptureMouseCursor = True
        ScrenCapture.Start()
        WriteEventLogInformation("Capturing Video.... " + FileName + " " + Date.Now)
        Return FileName
    Catch ex As Exception
        WriteEventLogError(ex.Message)
        Return "-1"
    End Try
End Function

Function StopRecording()
    Try
        ScrenCapture.Stop()
        Return 1
    Catch ex As Exception
        WriteEventLogError(ex.Message)
        Return -1
      End Try
   End Function
End Class
vb.net

推荐答案

我想为windows捕获屏幕创建Windows服务但不起作用

Windows服务应用程序没有GUI-没有屏幕.作为服务运行时，您打算捕获哪个屏幕?

A Windows service application does not have a GUI - there is no screen.  When running as a service, which screen did you intend to capture?

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