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IsWindowVisibleEx

Determine whether a window is totally visible, partially visible or not at all visible.
This does not use the WS_VISIBLE style to determine whether a window is visible or not.

int IsWindowVisibleEx( HWND hwnd );

Return value
0Not visible at all
1Totally visible
-1Partially visible

 

Example 

switch( IsWindowVisibleEx( hwnd ) )
{
case 0:  TRACE("NOT Visible\n");       break;
case 1:  TRACE("TOTALLY Visible\n");   break;
case -1: TRACE("PARTIALLY Visible\n"); break;
}
or 
if( IsWindowVisibleEx( hwnd ) )
{
	//	Do something.
}

 

Click to view the source code

See also none