本文整理汇总了VB.NET中System.Windows.Forms.MaskedTextBox.TypeValidationCompleted事件的典型用法代码示例。如果您正苦于以下问题：VB.NET MaskedTextBox.TypeValidationCompleted事件的具体用法？VB.NET MaskedTextBox.TypeValidationCompleted怎么用？VB.NET MaskedTextBox.TypeValidationCompleted使用的例子？那么, 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.MaskedTextBox的用法示例。
在下文中一共展示了MaskedTextBox.TypeValidationCompleted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，您的评价将有助于系统推荐出更棒的VB.NET代码示例。
示例1: GetType
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Me.MaskedTextBox1.Mask = "00/00/0000"
Me.MaskedTextBox1.ValidatingType = GetType(System.DateTime)
Me.ToolTip1.IsBalloon = True
End Sub
Private Sub MaskedTextBox1_TypeValidationCompleted(ByVal sender As Object, ByVal e As TypeValidationEventArgs) Handles MaskedTextBox1.TypeValidationCompleted
If (Not e.IsValidInput) Then
Me.ToolTip1.ToolTipTitle = "Invalid Date"
Me.ToolTip1.Show("The data you supplied must be a valid date in the format mm/dd/yyyy.", Me.MaskedTextBox1, 0, -20, 5000)
Else
' Now that the type has passed basic type validation, enforce more specific type rules.
Dim UserDate As DateTime = CDate(e.ReturnValue)
If (UserDate < DateTime.Now) Then
Me.ToolTip1.ToolTipTitle = "Invalid Date"
Me.ToolTip1.Show("The date in this field must be greater than today's date.", Me.MaskedTextBox1, 0, -20, 5000)
e.Cancel = True
End If
End If
End Sub
' Hide the tooltip if the user starts typing again before the five-second display limit on the tooltip expires.
Private Sub MaskedTextBox1_KeyDown(ByVal sender As Object, ByVal e As KeyEventArgs) Handles MaskedTextBox1.KeyDown
Me.ToolTip1.Hide(Me.MaskedTextBox1)
End Sub