本文整理汇总了VB.NET中System.Windows.Forms.HtmlElement.GotFocus事件的典型用法代码示例。如果您正苦于以下问题:VB.NET HtmlElement.GotFocus事件的具体用法?VB.NET HtmlElement.GotFocus怎么用?VB.NET HtmlElement.GotFocus使用的例子?那么恭喜您, 这里精选的事件代码示例或许可以为您提供帮助。您也可以进一步了解该事件所在类System.Windows.Forms.HtmlElement 的用法示例。
在下文中一共展示了HtmlElement.GotFocus事件的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的VB.NET代码示例。
示例1: HandleFormFocus
Dim WithEvents TargetFormElement As HtmlElement
Private Sub HandleFormFocus()
If (WebBrowser1.Document IsNot Nothing) Then
With WebBrowser1.Document
If (.Forms.Count > 0) Then
Dim TargetForm As HtmlElement = .Forms(0)
Dim SearchCollection As HtmlElementCollection = TargetForm.All.GetElementsByName("text1")
If (SearchCollection.Count = 1) Then
TargetFormElement = SearchCollection(0)
End If
End If
End With
End If
End Sub
Private Sub TargetFormElement_Focus(ByVal sender As Object, ByVal e As HtmlElementEventArgs)
Dim TextElement As HtmlElement = e.FromElement
Dim ElementText As String = TextElement.GetAttribute("value")
' Check that this value is at least five characters long.
If (ElementText.Length < 5) Then
e.ReturnValue = True
MessageBox.Show("The entry in the current field must be at least five characters long.")
End If
End Sub
开发者ID:VB.NET开发者,项目名称:System.Windows.Forms,代码行数:26,代码来源:HtmlElement.GotFocus
注:本文中的System.Windows.Forms.HtmlElement.GotFocus事件示例由纯净天空整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。 |
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