Parameters
BufferStr
Variable to contain host screen data.
LengthVal
Number of characters to read.
RowVal
Row position.
ColumnVal
Column position.
Returns
0 for success; or a non-zero error code. Refer to
Error codes for a complete listing of error code descriptions.
Remarks
When the ReadScreen function returns, the BufferStr variable contains the host screen data.
Example
Set Host = CreateObject( "BZWhll.WhllObj" )
Host.Connect "A"
Host.ReadScreen Buf, 10, 7, 16
Host.MsgBox "Buf is " & Buf, 0