public void Clear (); 範例 VB 複製 Dim customers As New Microsoft.VisualBasic.Collection() ' Insert code that adds customers to collection. customers.Clear() 備註 方法Clear 會清空集合,並將其 屬性重設為 Count 0。 適用於 產品版本 .NET Core 3.0, Core 3.1, 5, 6, 7, 8, 9 .NET Fra...
程序集: Microsoft.VisualBasic.Core.dll Source: Collection.vb 删除Visual Basic Collection 对象的所有元素。 C# 复制 public void Clear (); 示例 VB 复制 Dim customers As New Microsoft.VisualBasic.Collection() ' Insert code that adds customers to collection. customers.Clear() 注解 方法Clear ...
如果从以下代码中省略 Clear ,则将在每个循环迭代中显示错误消息对话框(发生错误后),无论连续计算是否生成错误。 您可以单步执行代码以查看效果。 VB 复制 Dim Result(10) As Integer ' Declare array whose elements ' will overflow easily. Dim indx On Error Resume Next ' Defer error tr...
(sender, e) textBox1.Clear()' SumPageSizesAsync is a method that returns a Task.AwaitSumPageSizesAsync() textBox1.Text= vbCrLf &"Control returned to button1_Click."EndSub' The following async method returns a Task(Of T).' A typical call awaits the Byte array result:' Dim result ...
您可以在設計時透過輸入 >cls 或>Edit.ClearAll 來清除 即時窗口 的內容。 如需其他命令的詳細資訊,請參閱 Visual Studio 命令別名。 使用CodeLens尋找程式代碼變更和其他歷程記錄。 CodeLens 可讓您在瞭解程式代碼發生什麼事時持續專注於工作,而不需要離開編輯器。 您可以找到程式碼的參考、程式碼變更、相關的...
'2-dimensional array Dim matrix = {{1, 0}, {0, 1}} 'jagged array - the parentheses force evaluation of the inner array first Dim jagged = { ({1, 0}), ({0, 1}) } Dynamic Language Runtime While technically a static language at heart, Visual Basic has always had extremely powerfu...
Switched to using a bitmask instead of a boolean array for assigned field tracking. If the number of fields is less than 64, this reduces the amount of allocations. Releasedtsbuild8.5.0, which updates esbuild to 0.21.4. After updatingtsbuild, theexperimentalDecoratorsoption intsconfig.jsonis ...
// parameter object for the output array OracleParameter p_out_values = new OracleParameter(); p_out_values.OracleDbType = OracleDbType.Decimal; p_out_values.CollectionType = OracleCollectionType.PLSQLAssociativeArray; p_out_values.Value = null; p_out_values.Size = 10; p_out_values.Direct...
[Visual Basic] Dim dlg As Word.Dialog [C#] Word.Dialog dlg; To specify the Word dialog box you are interested in, assign the variable to one of the values returned from the array of available dialog boxes: Copy [Visual Basic] dlg = Application.Dialogs(Word.WdWordDialog.wdDialogFileNew...
[Visual Basic] Dim dlg As Word.Dialog [C#] Word.Dialog dlg; To specify the Word dialog box you are interested in, assign the variable to one of the values returned from the array of available dialog boxes: Copy [Visual Basic] dlg = Application.Dialogs(Word.WdWordDialog.wdDialogFileNew...