vb.net如何添加组件,vb2010添加控件
VB.net怎样加第三方控件
工具箱右键单击——选择项……——选择.net组件或com组件——点击“浏览”选择控件dll文件,然后工具箱中就会出现新加的控件
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VB.NET 如何动态添加组件,如FileSystemWatcher,并且响应同一事件?
For Each i In My.Computer.FileSystem.Drives
Dim FSW As New FileSystemWatcher
FSW.NotifyFilter = NotifyFilters.FileName
FSW.Path = i.Name.ToString
FSW.Filter = "*.txt"
AddHandler FSW.Changed, AddressOf FileSystemWatcher1_Changed '与FileSystemWatcher1_Changed事件绑定,以下同。
AddHandler FSW.Created, AddressOf FileSystemWatcher1_Created
AddHandler FSW.Deleted, AddressOf FileSystemWatcher1_Deleted
AddHandler FSW.Disposed, AddressOf FileSystemWatcher1_Disposed
AddHandler FSW.Error, AddressOf FileSystemWatcher1_Error
AddHandler FSW.Renamed, AddressOf FileSystemWatcher1_Renamed
FSW.EnableRaisingEvents = True
Next
上面代码放到一个调用过程中
Private Sub FileSystemWatcher1_Created(sender As Object, e As FileSystemEventArgs) Handles FileSystemWatcher1.Created
‘我用fsw的path属性区别多个分区,你用自己的代码就行,如果你没有创建FileSystemWatcher1,就把Handles FileSystemWatcher1.Created删除。
If sender.path = "C:\" Then
'代码
ElseIf sender.path = "D:\" Then
'代码
ElseIf sender.path = "F:\" Then
ElseIf sender.path = "H:\" Then
'……
End If
End Sub
vb.net 怎么添加Windows Media Player控件? 注意是VB.NET不是VB
“工具箱”中单击右键,选择“选择项”菜单,打开“选择工具箱项”窗口,选择“
COM组件
”标签,在列表中找到并勾选“Windows
Media
Player”组件,单击“确定”按钮。将该组件添加到指定的工具箱
选项卡
中,然后在工具箱里面找
Windows
Media
Player
控件,拉到form里面,拉出来的控件就是AxWindowsMediaPlayer
如何在vb.net里面动态添加控件
Private WithEvents NewTextBox As TextBox
'通过使用WithEvents关键字声明一个对象变量为新的命令按钮
Private Sub Command1_Click()
If NewTextBox Is Nothing Then
Set NewTextBox = Controls.Add("VB.TextBox", "cmdNew", Form1)
NewTextBox.Move 200, 200
NewTextBox.Width = Form1.Width - 450
NewTextBox.Height = Form1.Height - 1400
NewTextBox.Visible = True
End If
End Sub
Private Sub Command2_Click()
If NewTextBox Is Nothing Then
Exit Sub
Else
Controls.Remove NewTextBox
Set NewTextBox = Nothing
End If
End Sub
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