How to grey out a macro in PowerPoint 2000 when invalid???

M

MMC Monster

Hi.
I've created a small macro that adds a different way to insert symbols
at the current cursor position in a Power Point 2000 presentation.
My problem (right now, at least. :) ) is that if I run my macro and
there's no cursor, the macro crashes, saying:
Run-time error '-2147188160 (80048240)':
Selection (unknown member): Invalid request. Nothing appropriate is
currently selected.

The function I use to add text is:
Set InsertedText = _
ActiveWindow.Selection.TextRange.InsertSymbol( _
FontName:="Symbol", CharNumber:=Str(31 + 5 * 28 + 5), _
Unicode:=msoFalse)

My question: Is it possible to have the menu item for my macro be
greyed-out when there's no valid current cursor position?

Following is what I currently have in my Auto_Open and Auto_Close functions.

Thanks for any help.



Sub Auto_Open()

Dim NewControl As CommandBarControl

' Store an object reference to a command bar.
Dim ToolsMenu As CommandBars

' Figure out where to place the menu choice.
Set ToolsMenu = Application.CommandBars

' Create the menu choice. The choice is created in the first
' position in the Tools menu.
Set NewControl = ToolsMenu("Insert").Controls.Add _
(Type:=msoControlButton, _
Before:=5)

' Name the command.
NewControl.Caption = "Insert S&ymbol Macro"

' Connect the menu choice to your macro. The OnAction property
' should be set to the name of your macro.
NewControl.OnAction = "PowerPoint2000InsertSymbol"

End Sub

Sub Auto_Close()

Dim oControl As CommandBarControl
Dim ToolsMenu As CommandBars

' Get an object reference to a command bar.
Set ToolsMenu = Application.CommandBars

' Loop through the commands on the tools menu.
For Each oControl In ToolsMenu("Insert").Controls

' Check to see whether the comand exists.
If oControl.Caption = "Insert S&ymbol Macro" Then

' Check to see whether action setting is set to ChangeView.
If oControl.OnAction = "PowerPoint2000InsertSymbol" Then

' Remove the command from the menu.
oControl.Delete
End If
End If
Next oControl

End Sub
 
C

Cindy M -WordMVP-

I think you should ask this in the one and only powerpoint
newsgroup. And yes, they answer macro questions there, too.

Cindy Meister
 

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