本文整理汇总了VB.NET中System.Windows.Forms.DataGridViewCellToolTipTextNeededEventHandler代理的典型用法代码示例。如果您正苦于以下问题：VB.NET DataGridViewCellToolTipTextNeededEventHandler代理的具体用法？VB.NET DataGridViewCellToolTipTextNeededEventHandler怎么用？VB.NET DataGridViewCellToolTipTextNeededEventHandler使用的例子？那么恭喜您, 这里精选的代理代码示例或许可以为您提供帮助。
在下文中一共展示了DataGridViewCellToolTipTextNeededEventHandler代理的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: ResetCounter
Private Function Populate(ByVal query As String, ByVal resetUnsharedCounter As Boolean) As DataTable
If resetUnsharedCounter Then
ResetCounter()
End If
' Alter the data source as necessary
Dim adapter As New SqlDataAdapter(query, _
New SqlConnection("Integrated Security=SSPI;Persist Security Info=False;" & _
"Initial Catalog=Northwind;Data Source=localhost"))
Dim table As New DataTable()
table.Locale = System.Globalization.CultureInfo.InvariantCulture
adapter.Fill(table)
Return table
End Function
Private count As New Label()
Private unsharedRowCounter As Integer
Private Sub ResetCounter()
unsharedRowCounter = 0
count.Text = unsharedRowCounter.ToString()
End Sub
Private Sub DataGridView1_CellToolTipTextNeeded(ByVal sender As Object, _
ByVal e As DataGridViewCellToolTipTextNeededEventArgs) _
Handles dataGridView1.CellToolTipTextNeeded
If theCellImHoveringOver.ColumnIndex = dataGridView1.Columns("ReportsTo").Index AndAlso _
theCellImHoveringOver.RowIndex > -1 Then
Dim reportsTo As String = dataGridView1.Rows(theCellImHoveringOver.RowIndex). _
Cells(theCellImHoveringOver.ColumnIndex).Value.ToString()
If String.IsNullOrEmpty(reportsTo) Then
e.ToolTipText = "The buck stops here!"
Else
Dim table As DataTable = Populate( _
"select firstname, lastname from employees where employeeid = '" & _
dataGridView1.Rows(theCellImHoveringOver.RowIndex). _
Cells(theCellImHoveringOver.ColumnIndex).Value.ToString() & _
"'", False)
e.ToolTipText = "Reports to " & table.Rows(0).Item(0).ToString() & " " & table.Rows(0).Item(1).ToString()
End If
End If
End Sub开发者ID:VB.NET开发者，项目名称:System.Windows.Forms，代码行数:47，代码来源:DataGridViewCellToolTipTextNeededEventHandler