diff --git a/components/virtualtreeview-new/VirtualTrees.pas b/components/virtualtreeview-new/VirtualTrees.pas index 17d230280..ca4321fd2 100644 --- a/components/virtualtreeview-new/VirtualTrees.pas +++ b/components/virtualtreeview-new/VirtualTrees.pas @@ -28496,7 +28496,7 @@ var R: TRect; begin - if (FUpdateCount = 0) and FHeader.FColumns.IsValidColumn(Column) then + if (FUpdateCount = 0) and HandleAllocated and FHeader.FColumns.IsValidColumn(Column) then begin R := ClientRect; //lclheader