System Reference Summary : 6. 4GL System Constants : System Constants : Window Visibility Settings for FrameExec
 
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Window Visibility Settings for FrameExec
Constant Value
Description
Numeric
Equivalent
WV_UNREALIZED
The frame is at the start of its initialize block, and its window has not yet been created (you cannot set the WindowVisibility attribute to this setting).
0
WV_VISIBLE
The window for the frame is open and appears on the screen (and is not an icon).
1
WV_INVISIBLE
The frame's window is invisible. To redisplay the window, set this attribute to WV_VISIBLE.
2
WV_ICON
The frame's window is displayed as an icon on the screen. To redisplay the window, set this attribute to WV_VISIBLE.
3