topic Re: Custom grip moves but dynamic block reference doesn't in .NET Forum

Custom grip moves but dynamic block reference doesn't

OrmArTHe — Wed, 27 Nov 2024 15:26:36 GMT

I'm inserting a dynamic block reference into drawing that has a custom grip used for moving the block.
By changing the value of DynamicBlockReferenceProperty position property, the grip is at the correct position after insert but the block geometry stays in place.

Any ideas how to fix this issue?

Code (this snippet is inside a transaction):

Re: Custom grip moves but dynamic block reference doesn't

_gile — Wed, 27 Nov 2024 17:03:34 GMT

Hi,

The issue seems to be related to the block itself. You should attach it.

Re: Custom grip moves but dynamic block reference doesn't

OrmArTHe — Wed, 27 Nov 2024 17:11:23 GMT

Here it is...

Re: Custom grip moves but dynamic block reference doesn't

norman.yuan — Wed, 27 Nov 2024 18:55:12 GMT

How do you do the "custom grip"? GripOverrule? If so, how is the Overrule's filter is set? I assume the Overrule targets BlockReference. Do you filter BlockReferences by BlockReference.Name?

Re: Custom grip moves but dynamic block reference doesn't

OrmArTHe — Wed, 27 Nov 2024 18:59:27 GMT

I've tried to use GetGripPoints and MoveGripPointsAt methods and now neither the grip nor the block geometry move...

if (blkRef.IsDynamicBlock) { double position1X = 0.0; double position1Y = 0.0; var dynProps = blkRef.DynamicBlockReferencePropertyCollection; foreach (DynamicBlockReferenceProperty prop in dynProps) { if (prop.PropertyName == "Position1 X") { position1X = (double)prop.Value; } if (prop.PropertyName == "Position1 Y") { position1Y = (double)prop.Value; } } // get grip points var gripPoints = new Point3dCollection(); var gripPosition = new Point3d(); gripPosition = new Point3d(gripPosition.X + position1X, gripPosition.Y + position1Y, gripPosition.Z); gripPoints.Add(gripPosition); var snapModes = new IntegerCollection(); var geometryids = new IntegerCollection(); blkRef.GetGripPoints(gripPoints, snapModes, geometryids); // move grip points var indices = new IntegerCollection(); indices.Add(0); var offset = new Vector3d(2.0, 2.0, 0.0); blkRef.MoveGripPointsAt(indices, offset); }

Re: Custom grip moves but dynamic block reference doesn't

_gile — Wed, 27 Nov 2024 19:56:30 GMT

The "geometry" of your block is only attribute references.

When inserting an attributed block, you have to explicitly, create the attribute references using the attribute definitions in the the block definition as templates and add them to the block reference attribute collection.

Re: Custom grip moves but dynamic block reference doesn't

OrmArTHe — Wed, 27 Nov 2024 20:06:57 GMT

Actually, I have that code block related to adding attribute references. The issue was that the code for accessing and changing the grip point position was above it, instead of below it.
Once again thank you, @_gile !