queryCommandState 方法

       

返回 Boolean 类型的值,表明指定命令的状态。如果为 True,则已经在当前所选内容上执行了指定的命令。如果为 False,则尚未在当前所选内容上执行指定命令。

expression.queryCommandState(cmdID)

expression  必选。返回 DispFPHTMLDocument 对象的表达式。

cmdID  必选。String 类型。指定命令标识符。

说明

如果不能确定当前所选内容的状态,则该方法返回 Null

示例

下列示例提示用户输入命令标识符,并根据方法的执行结果显示一条消息。

Sub QueryCommand()
'Determines whether a command has been carried out

    Dim objApp As FrontPage.Application
    Dim objDoc As DispFPHTMLDocument
    Dim strUser As String

    Set objApp = FrontPage.Application
    Set objDoc = objApp.ActiveDocument
    'Prompt user to enter command name.
    strUser = InputBox("Enter a command identifier to be executed.")
    'Run the associated command, checks command status and displays results.
    If objDoc.queryCommandState(cmdID:=strUser) = True Then
        MsgBox "The command " & strUser & _
               " has already been carried out."
    Else
        MsgBox "The command " & strUser & _
               " has not yet been carried out."
    End If

End Sub