Description
Returns the currently active sheet in an MDI frame window.
Applies to
MDI frame windows
Syntax
mdiframewindow.GetActiveSheet ( )
Return value
Window. Returns the sheet that is currently active in mdiframewindow. If no sheet is active, GetActiveSheet returns an invalid value. If mdiframewindow is null, GetActiveSheet returns null.
Usage
Use the IsValid function to determine whether GetActiveSheet has returned a valid window value.
Examples
These statements determine the active sheet in the MDI frame window w_frame and change the text of the menu selection m_close on the menu m_file on the menu bar m_main. If no sheet is active, the text is Close Window:
// Declare variable for active sheet window activesheet string mtext activesheet = w_frame.GetActiveSheet() IF IsValid(activesheet) THEN // There is an active sheet, so get its title; // change the text of the menu to read // Close plus the title of the active sheet mtext = "Close " + activesheet.Title m_main.m_file.m_close.Text = mtext ELSE // No sheet is active, menu says Close Window m_main.m_file.m_close.Text = "Close Window" END IF
See also
