5
Dim f as new frmNameHere  
f.show()

如何找到frmNameHere使用上述代码创建的所有实例?

4

1 回答 1

10

例如:

For i As Int32 = 1 To 10
   Dim frm As New frmNameHere()
   frm.Show()
Next
Dim openForms = Application.OpenForms.OfType(Of frmNameHere)()
While openForms.Any()
   openForms.First.Close()
End While

也可以在没有 linq 的情况下工作,但是您必须遍历所有 OpenForms:

Dim forms As FormCollection = Application.OpenForms
For Each form As Form In forms
   If TypeOf form Is frmNameHere Then
      'do something with your frmNameHere-Form'
   End If
Next
于 2011-01-18T22:53:42.860 回答