Lines per master

For a shape on a stencil, specifies approximately how many characters of the shape's name can appear on each line before the text wraps. This options affects the overall spacing of shapes on a stencil, which affects how many shapes you can see without scrolling the stencil window.

Supported on: At least Windows Vista
Lines per master

Registry HiveHKEY_CURRENT_USER
Registry PathSoftware\Policies\Microsoft\Office\12.0\Visio\Application
Value NameMasterTextHeight
Value TypeREG_DWORD
Default Value2
Min Value1
Max Value4

visio12.admx

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Administrative Templates (Users)