' 使用Public关键字声明全局变量 Public GlobalVariable As String Sub InitializeGlobalVariable() GlobalVariable = "Global Value" End Sub Sub AccessGlobalVariable() MsgBox GlobalVariable ' 显示消息框,内容为"Global Value" End Sub 4.
With a local variable, you need to declare the same variable every time for each new module or different sub-procedure. Hence, every time a new space is allocated for the pre-defined variable. Also, it makes the maintenance task quite cumbersome. The Global variable was introduced to prevent...
在VBA中,可以使用Global关键字来声明全局变量。全局变量可以在模块中的任何过程中访问。 以下是一个声明全局变量的示例: Option Explicit Public MyGlobalVariable As Integer Sub MySub() MyGlobalVariable = 10 MsgBox MyGlobalVariable End Sub 复制代码 在上面的示例中,MyGlobalVariable被声明为一个公共的整数类型...
Public globalVar As Integer 复制代码 在上面的示例中,globalVar是一个全局变量,可以在整个VBA项目中使用。 要在程序中使用全局变量,只需引用其名称即可。例如: Sub TestGlobalVariable() globalVar = 10 MsgBox globalVar End Sub 复制代码 在上面的示例中,TestGlobalVariable子过程将全局变量globalVar设置为10,并...
在VBA中,可以使用Global关键字来声明全局变量。全局变量可以在模块中的任何过程中访问。 以下是一个声明全局变量的示例: OptionExplicitPublicMyGlobalVariable As IntegerSubMySub()MyGlobalVariable=10MsgBoxMyGlobalVariableEndSub 在上面的示例中,MyGlobalVariable被声明为一个公共的整数类型全局变量。它可以在MySub过程...
Declare a VBA Global Variable (Simple Steps) Using Global Variables is simple in Excel VBA. You can use the below mentioned steps for this: First, you need totype the keyword “Global”which helps VBA to identify the that this variable is global. ...
Global level variables must also be declared in a standard code module and not is a userform or class module. Declaring a variable as Public inside a userform does not make it public. It is still private and only visible to that userform code module only. ...
2 ' variable declaration(声明变量) 3 Dim FullName As String 4 Dim DateOfBirth As Date 5 Dim Age As Integer 6 7 'assign values to variables(赋值给变量) 8 FullName = " John " 9 DateOfBrith = #01/03/1967# 10 11 'calculate age(计算年龄) ...
声明qdatabasemanager.h #include"qdatabasemanager.h" externQDatabaseManager*Database; 引用 main.c #include"qglobalvariable.h" Database=newQDatabaseManager(); Database->Open_DataBase(); #include 转载 mb5fdb0fbba4f73 2013-07-24 20:08:00 ...
也可以不指定变量的类型,只需用Dim,Private, Public, Global 等关键词定义变量, 如 Dim sCityName Public bHasValue 有效期 Lifetime 有效期限指的的是常量和变量进入使用的期限。比如下面的常量有效期是从Sub被调用开始,到Sub结束为止。 Sub VariableTest() ...