Purpose
Returns the number of open document windows (Map, Browse, Graph, Layout windows). You can call this function from the MapBasic window in MapInfo Pro.
Syntax
NumWindows()
Return Value
SmallInt
Description
The NumWindows() function returns the number of Map, Browse, Graph, Layout windows that are currently open. The result is independent of whether windows are minimized or not.
To determine the total number of windows opened by MapInfo Pro (including ButtonPads and special windows such as the Info window), call NumAllWindows().
Example
Dim num_open_wins As SmallInt
num_open_wins = NumWindows()
See Also:
NumAllWindows() function, WindowID() function