Returns whether the display panel is visible or hidden
ISPANELVISIBLE returns whether the display panel is visible or completely
hidden on-screen. This function is a counterpart to showpanel,
however note that showpanel is not the only
method of hiding a panel.
Parameters
None
Return Value
TRUE if the panel is visible, otherwise FALSE
Example Code
// bVisible contains the panel
state
bool bVisible = ispanelvisible();