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我正在使用 GTK# 和内置的gtk.TreeView来创建数据网格。我有一列填充了浮点数。现在它们显示为 120.00000。我想让这些浮点数显示只有两位数的精度:

不是这个-> 120.00000

这 -> 120.00

        let tree = new Gtk.TreeView ()


        // Create a column for the price name
        let priceColumn = new Gtk.TreeViewColumn ()
        do  priceColumn.Title <- "Price";
        do  priceColumn.Expand <- true
        do  priceColumn.Alignment <- 0.5f  

        let priceNameCell = new Gtk.CellRendererText ()
        do  priceNameCell.Alignment <- Pango.Alignment.Center  
        do  priceNameCell.Xalign <- 0.5f  

        do  priceColumn.PackStart (priceNameCell, true)
        do  priceColumn.AddAttribute (priceNameCell, "text", 1)

如何设置此属性?

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