### - i -

- index() : QCPLayer
- insertColumn() : QCPLayoutGrid
- insertRow() : QCPLayoutGrid
- insetAlignment() : QCPLayoutInset
- insetLayout() : QCPAxisRect
- insetPlacement() : QCPLayoutInset
- insetRect() : QCPLayoutInset
- isEmpty() : QCPMarginGroup
- isNone() : QCPScatterStyle
- isPenDefined() : QCPScatterStyle
- item() : QCPLegend , QCustomPlot
- itemAt() : QCustomPlot
- itemClick() : QCustomPlot
- itemCount() : QCPLegend , QCustomPlot
- itemDoubleClick() : QCustomPlot
- items() : QCPAxis , QCPAxisRect
- itemWithPlottable() : QCPLegend