# WBLOCK Dialog box
[GstarCAD 2021](Help%20System/GSTARCAD/2021/Index.md) → [Commands](Help%20System/GSTARCAD/2021/Commands/(Commands).md) → [03 Dialog Boxes](Help%20System/GSTARCAD/2021/Commands/03%20Dialog%20Boxes/(Dialog%20Boxes).md)
## WBLOCK_DIA
The "Write Block" dialog box is used to save selected object to specified drawing file or convert selected block to specified drawing file.
