Sets symbol s to be active.

SetActSymbol (s : STRING);

Sets the current constrain mode.

SetConstrain(s : STRING);

Sets the current tool from the palette.

SetTool(theTool : INTEGER);

Sets one of the standard units in MiniCad+

Units(StandardUnit : INTEGER;  DisplayAccuracy : LONGINT);

Sets a customized units in MiniCad+

SetUnits(Fraction,DisplayAccuracy : LONGINT;  Format : INTEGER;  UnitsPerInch : REAL;  UnitMark,SqrUnitMark : STRING);

Activates the snap options :
TRUE = on
FALSE = off

Snap(Grid,Object,Locus : BOOLEAN);

Sets the scale of the objects :
1/2 scale = 2
1/4 scale = 4

SetScale(ActualSize : REAL);

Moves the origin to a new position on the drawing

SetOrigin(X,Y : REAL);

Redraws screen

ReDraw;

Sets the smallest mouse increament

PenGrid(Distance : REAL);

Sets the distance between the gridlines on the screen

GridLines(Distance : REAL);

Sets the overall drawing sheet area of a MiniCad file

DrwSize(Rows,Columns : INTEGER);

Sets distance between the double line function

DoubLines(Distance : REAL);

Must be called before using variable angles

AngleVar;

Sets the point-designation method to relative

Relative;

Sets the point-designation method to absolute

Absolute;