在我正在开发的程序中,用户可以通过资产ID标签在AD中搜索计算机。我所有这些都很好,但我想知道是否有办法通过进度条显示搜索进度。
为了进行搜索,我遵循了这个代码,我的代码几乎完全相同。http://msdn.microsoft.com/en-us/library/ms973834.aspx#dotnetadsearch_topic9
假设您使用了链接中提供的整个示例,并且您正在后台线程上运行搜索,请添加一个名为ProgressBar1的进度条,然后尝试以下操作:
线下:
Private Delegate Sub displayResult(ByVal textEntry As String)
添加此行:
Private Delegate Sub maxProgress(ByVal maxProgress As Integer)
在这些线下:
Public Event ResultFound(ByVal result As SearchResult)
Public Event SearchCompleted(ByVal entriesFound As Integer)
添加此行:
Public Event StartProgressBar(ByVal maxProgress As Integer)
将以下代码添加到StartSearch()
子:
Dim queryResults As SearchResultCollection
RaiseEvent StartProgressBar(queryResults.Count)
添加以下程序:
Private Sub StartProgress(ByVal maxProgress As Integer) Handles bkg.StartProgressBar
Dim start as New maxProgress(AddressOf UpdateProgress)
Me.Invoke(start, New Object() {maxProgress})
End Sub
Private Sub UpdateProgress(ByVal maxProgress as Integer)
ProgressBar1.Maximum = maxProgress
ProgressBar1.Step = 1
End Sub
并最终将该行添加到bkg_ResultFound
-sub(在If
块之外)
ProgressBar1.PerformStep()