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twMove( Vert, Horz )
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Moves a window a specified number of vertical and horizontal
spaces. Bounds checking is carried out to make sure the image
remains in video RAM. This function may be used in a UDF to create
a user controlled window moving function by defining a SET KEY.
Positive and negative numbers define right/down and up/left
respectively.
IF THE WINDOW CARRIES SHADOW INFORMATION, IT IS UPDATED AS THE
WINDOW MOVES.
Arguments:
Vert - 'N' Number of places to move vertically. Defaults to 0.
Horz - 'N' Number of places to move horizontally. Defaults to 0.
One of these must be passed for the function to perform anything.
Return:
Current window handle
Example:
twMove( 10, 0 )
Moves the current window ten spaces down.
twMove( -2, 30 )
Moves the current window up two lines and right thirty.
See Also:
twSlide()
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Written by Dave Pearson