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Jody is in the process of developing custom toolbar buttons and assigning macros to the buttons. She wants to have the buttons be enabled whenever at least one worksheet is visible, but is grasping for the proper code to handle such a situation.
There are many ways that this can be approached, as one might assume with an environment as diverse as Excel. One possible solution is to create a routine that simply checks if there are any visible windows on the screen. If there are, then the toolbar buttons can be enabled; if there aren't, then they can be disabled. The following macro will do just that:
Sub CheckButtons() Dim bOneOpen As Boolean Dim I As Integer Dim J As Integer bOneOpen = False For I = 1 To Workbooks.Count For J = 1 To Workbooks(I).Windows.Count If Workbooks(I).Windows(J).Visible Then bOneOpen = True Next J If bOneOpen Then Exit For Next I If bln Then 'enable buttons Else 'disable buttons End If End Sub
Notice the two comments near the bottom of the macro. All you need to do is replace those comments with the appropriate code to enable or disable your toolbar buttons. (The code will vary, depending on the number and configuration of your buttons.)
This macro can be called either manually, or it can be called from any of the events that are triggered by window changes, such as those that fire when windows are opened, resized, minimized, maximized, or restored.
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