Pen Dimensions: Lock or Unlock the Size: Properties Tab
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Use the Lock feature to lock the current size of the Pen to avoid adjusting it by mistake when dragging the mouse.
Click Unlock to Lockthe size of the current object.
Click Locked to Unlock the size of the current object.
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Lock Object Size Definition
Use the Lock/Unlock feature to prevent the size of the opening from being changed by accidentally dragging the control corners with the mouse in the Design Editor.
