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HMoveBackward.md

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HMoveBackward

Description

Move the referenced object backward in the object stacking order. If toBack is TRUE, the object will be moved to the back of the stacking order.

PROCEDURE HMoveBackward(
				h      : HANDLE;
				toBack : BOOLEAN);
def vs.HMoveBackward(h, toBack):
    return None

Parameters

Name Type Description
h HANDLE Handle to object.
toBack BOOLEAN Move to back of stacking order.

Remarks

It is possible using HMoveForward and HMoveBackward to re-order layers. But use caution. Do not set the toBack argument to TRUE -- it will delete the layer. Also, Peter Vandewalle claims that the layer can get deleted even if toBack is FALSE, if you keep sending it backward. (I could not confirm this.)

Examples

	SetLW(LNewObj,kThinLine);
IF IsLineStyleByClass THEN SetLSByClass( LNewObj );
HMoveBackward(LNewObj, TRUE);
MoveTo(X,Y);
LineTo(X,Y+Length);
	IF IsLineStyleByClass THEN SetLSByClass( LNewObj );
LineTo(X+Depth+Overhang,Y+Length);

IF pBox THEN BEGIN
	Rect(x1-margin,y1+margin,x2+margin,y2-margin);
	hBox := LNewObj;
	HMoveBackward(LNewObj,FALSE);
END;

		Relative;
		Rect (-boxW/2, boxH/2, boxW/2, -boxH/2);
		SetPenFore (LNewObj, 65535, 0, 0);
		SetFPat (LNewObj, 1);
		HMoveBackward (LNewObj, TRUE);
	EndGroup;
	HMoveForward (LNewObj, TRUE);
END;	{of createErrorMessage2}
vs.Rect( kBf * b1[0], kBf * b1[1], kBf * b2[0], kBf * b2[1] )
vs.SetPenFore( vs.LNewObj(), 65535, 0, 0 )
vs.SetFPat( vs.LNewObj(), 1 )
vs.HMoveBackward( vs.LNewObj(), False )
vs.EndGroup()
vs.HMoveForward( vs.LNewObj(), True )

vs.AddPoint( vs.PThroat_Width + vs.PCurb_Width + rightFence, -gMinFenceOffset )
vs.EndPoly()
vs.HMoveBackward( vs.LNewObj(), True )
vs.SetFenceAttrs( vs.LNewObj() )

Version

Availability: from VectorWorks8.5

Category