vba function optional
Sub MySub(Optional MyVar As String = "specialvalue") If MyVar ... Function ReturnTwice(Optional A) If IsMissing(A) Then ' If argument is missing, return a Null. ... 有關於Office VBA 或這份文件的問題或意見反應嗎？, When you need a function that's flexible enough to handle an empty argument, use VBA's Optional keyword. Many of Office's built-in functions ...
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 vba function optional 相關參考資料
Function 語句(VBA) | Microsoft Docs
宣告用來形成Function 程式本文的名稱、引數和程式碼。Declares the .... 如果已使用ParamArray ，則不能在任何引數中使用Optional 。Optional ... https://docs.microsoft.com IsMissing 函數IsMissing function - Microsoft Docs
Sub MySub(Optional MyVar As String = "specialvalue") If MyVar ... Function ReturnTwice(Optional A) If IsMissing(A) Then ' If argument is missing, return a Null. ... 有關於Office VBA 或這份文件的... https://docs.microsoft.com Pass optional objects to VBA functions - TechRepublic
When you need a function that's flexible enough to handle an empty argument, use VBA's Optional keyword. Many of Office's built-in functions ... https://www.techrepublic.com VBA Function Optional parameters - Stack Overflow
Function Test(L1 As Long, L2 As Long, _ Optional P1 As Variant, Optional P2 As Variant) As String Dim S As String If IsMissing(P1) = True Then ... https://stackoverflow.com VBA Macros - Optional Arguments - BetterSolutions.com
When a parameter has been declared with the Optional keyword you can call the procedure (or function) with or without an argument for this parameter. The arguments to a procedure can be specified as b... https://bettersolutions.com What is the meaning of 'Optional' parameter in VBA function? - Quora
Optional parameters are those that you may leave out when you are calling a sub or function. They must be placed at the end of the parameter list, after all the ... https://www.quora.com 「Excel VBA」在Function中定義並使用選擇性引數(Optional ...
今天早上突然想到Excel 中Sum 或者其他基本函數中，有些引數的數量其實不固定，那如果要在自定義的Function 中要怎麼使用？ 於是就整理在 ... http://just-for-writing.blogsp 了解具名引數和選擇性引數(VBA) | Microsoft Docs
當您呼叫**Sub** 或**Function** 程序時，您可以在代替，順序出現在程序的 ... Sub OptionalArgs(strState As String, Optional strCountry As String ... https://docs.microsoft.com 選擇性參數- Visual Basic | Microsoft Docs
選擇性參數會以程序定義中的 Optional 關鍵字來表示。 ... Sub name(ByVal parameter1 As datatype1, Optional ByVal parameter2 As datatype2 ... https://docs.microsoft.com |