为DataGridView设置工具提示自动创建列 [英] Setting ToolTip for DataGridView automatically created columns

问题描述

我想以 DataGridView 中的自动生成列的方式将工具提示设置为编程方式。
我试图使用 AutoGeneratingColumn 事件（ http://msdn.microsoft.com/en-us/library/cc903950%28VS.95%29.aspx ），但实际上只能访问 DataGridColumn ，而不是 DataGridViewColumn ，而前者没有 ToolTipText 属性。

I would like to programatically set tooltips to automatically generated columns in a DataGridView. I was trying to use AutoGeneratingColumn event (http://msdn.microsoft.com/en-us/library/cc903950%28VS.95%29.aspx), but that in fact can only access DataGridColumn, not DataGridViewColumn, and the former doesn't have ToolTipText property.

或者如果我可以将工具提示绑定到一个也是很棒的源代码。目标是有能力在同一个地方操纵/设置工具提示，在这个地方我设置了底层 DataTable 的列。

Or if I could bind the ToolTips to a source that would also be great. The goal is to have the ability to manipulate/set tooltips in the same place where I set the columns for the underlying DataTable.

推荐答案

我以这种方式解决了这个问题：

I managed to solve it this way:

void payloadDataGrid_AutoGeneratingColumn(object sender, DataGridAutoGeneratingColumnEventArgs e)
{
    string tooltip = null;

    switch (e.Column.Header.ToString())
    {
        case "Column 1":
            tooltip = "Tooltip 1";
            break;
        case "Column 2":
            tooltip = "Tooltip 2";
            break;
    }

    if (tooltip != null)
    {
        var style = new Style(typeof(DataGridCell));
        style.Setters.Add(new Setter(ToolTipService.ToolTipProperty, tooltip));
        e.Column.CellStyle = style;
    }
}

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