We will use the VBA DIR function to check if a file exists. If it doesn’t, we will show a message. If it does, we will open the file. Version 1: Basic Check Open the Visual Basic Editor: Press ALT + F11 and create a new module (i.e. “LessonsFilesFolders”). ...
Use the VBA Dir function to check if a file exists. The VBA Dir function returns the name of a valid file, so you can use it to test whether a file exists.
Sub CheckDirectory() Dim PathName As String Dim CheckDir As String PathName = "C:\a\b" CheckDir = Dir(PathName, vbDirectory) If CheckDir <> "" Then Debug.Print CheckDir & " exists" Else Debug.Print "The directory doesn't exist" End If End Sub 运行后,立即窗口中显示的是: 代码语言:...
", vbInformation, "VB小源码提醒您!"...End If End Function --- 使用方法: Sub a() Call 创建文件夹("C:\Users\", "文件名称") End Sub --- ? 4.9K30 dotnet 警惕判断文件是否存在因为检查网络资源造成超长等待 在使用 System.IO.File.Exists 方法时,绝大部分的情况下都是一个非常快捷...
Sub CheckFileExists() Dim filePath As String Dim exists As Boolean filePath = "C:\example.txt" exists = FileExists(filePath) If exists Then MsgBox "文件存在" Else MsgBox "文件不存在" End If End Sub ``` 在上面的示例中,我们定义了一个名为`filePath`的字符串变量,它包含要检查的文件的路径...
VBA 的 Collection 对象没有内置的 .exists 方法,但我们可以通过遍历集合或使用错误处理来检查元素。 Function CollectionContains(coll As Collection, itemToCheck As Variant) As Boolean Dim element As Variant On Error GoTo ErrorHandler CollectionContains = False For Each element In coll If element = item...
Check IF Sheet Exists in Closed Workbook In the following code, you have a loop that searches for the sheet name in a closed workbook. To refer to the file, we used the file address. Sub vba_check_sheet() Dim wb As Workbook
这个是用于表达式判断时候用的格式,这样才能够起到类似于If...Else的作用。上例中如果直接用Case 90的格式,则只会当score等于90的时候,才会输出“优”,起不到范围判断的作用。在使用的时候,需要根据实际情况按需选择。第二点是,在如上例中那样进行不同范围内的判断时,顺序很重要,如果把上例中的顺序倒过来,则...
this tutorial helps you to learn to use VBA to check if a particular Excel file is open and after checking activates that workbook...
Checks if a file exists. If FSO.FileExists(SourceFilePath) Then 'file exists GetExtensionName Returns the extension from a filename. GetFile Returns a File object corresponding to the file in a specified path. GetFileName Returns the filename of a file as a string. strFileName = FSO...