telerik:GridViewDataColumn Width* Header状态 telerik:GridViewDataColumn.CellTemplate DataTemplate d:DataType{x:Type localVM:StateActionExcerpt} Border HorizontalAlignmentStretch VerticalAlignmentStretch Background{Binding ExecutionState, Converter{StaticResource SingleFlowExecutionStateToBrushColor}} BorderBrushTransparent BorderThickness1 !-- 撑高Border -- TextBlock / /Border /DataTemplate /telerik:GridViewDataColumn.CellTemplate /telerik:GridViewDataColumnBorder内不放一个元素不出效果