“可选参数”在过程定义中由关键字Optional 过程定义中的每个可选参数都必须指定默认值。 可选参数的默认值必须是一个常数表达式。 过程定义中跟在可选参数后的每个参数也都必须是可选的。 下面的语法显示带可选参数的过程声明: 复制代码 Sub subname(ByVal parameter1Asdata type1,Optional ByVal parameter2Asda...
29.Bad interface for Implements: method has out-only or LCID parameter错误的执行接口: 方法仅提供 out 方向或 LCID 参数 30.Bad interface for Implements: method has parameter with too many levels of indirection错误的执行接口: 方法具有包含过多间接寻址的参数 31.Bad interface for Implements: method h...
DEFAULT_POLL_INTERVAL = 500 If Trim(ShellCommand) = vbNullString Then ShellAndWait = ShellAndWaitResult.InvalidParameter Exit Function End If If TimeOutMs < 0 Then ShellAndWait = ShellAndWaitResult.InvalidParameter Exit Function ElseIf TimeOutMs = 0 Then Ms = WAIT_INFINITE Else Ms = Time...
[parameter-type] typed-name-param-dcl = TYPED-NAME [array-designator] optional-prefix = ("optional" [parameter-mechanism]) / ([parameter-mechanism] ("optional")) parameter-mechanism = "byval" / " byref" parameter-type = [array-designator] "as" (type-expression / "Any") default-value ...
Visual Basic for Applications（VBA）基础教程说明书
“可选参数”在过程定义中由关键字 Optional过程定义中的每个可选参数都必须指定默认值。可选参数的默认值必须是一个常数表达式。过程定义中跟在可选参数后的每个参数也都必须是可选的。下面的语法显示带可选参数的过程声明: 复制代码Sub sub name(ByVal parameter 1 As data type 1, Optional...
If you would like to create an optional parameter, you can put theOptionalkeyword before the parameter name like so: OptionExplicitPublicSubDoWork()CallPrintNumberEndSubPrivateSubPrintNumber(OptionalByValnumberAsLong)Debug.Print numberEndSub' Output' 0 (this is because the default for Long is 0...
'step_increment' is an optional parameter. It denotes by how much value the 'loop_ctr' should be incremented after each iteration. By default, the value of 'step_increment' is 1. This means that with each iteration, the 'loop_ctr' value is incremented by 1. How does a VBA For Loop...
有4个字段。 代码： Code: Option Explicit '需手动在VBE窗口，工具-引用 Mi
If no pathname is found, the zero length string (") is returned; the attributes optional parameter. A con 31、stant or numeric expression whose sum is used to specify file attributes. If omitted, a file that matches pathname but does not contain attributes is returned.2) deleteKill pathname...