本文整理匯總了VB.NET中System.Windows.Forms.DataGridViewCellToolTipTextNeededEventHandler代理的典型用法代碼示例。如果您正苦於以下問題：VB.NET DataGridViewCellToolTipTextNeededEventHandler代理的具體用法？VB.NET DataGridViewCellToolTipTextNeededEventHandler怎麽用？VB.NET DataGridViewCellToolTipTextNeededEventHandler使用的例子？那麽, 這裏精選的代理代碼示例或許可以為您提供幫助。
在下文中一共展示了DataGridViewCellToolTipTextNeededEventHandler代理的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的VB.NET代碼示例。
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開發者ID:VB.NET開發者，項目名稱:System.Windows.Forms，代碼行數:47，代碼來源:DataGridViewCellToolTipTextNeededEventHandler