C# DataGridView 单元格中的多行
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Multiple lines in a DataGridView cell
提问by dylanmensaert
Using C#Windows Forms;
使用C#Windows Forms;
I have a DataGridViewwith a number of cells. I would like to show digits (from 1-9) in the cell. The digits should be placed under each other in a 3x3format.
我有DataGridView多个单元格。我想在单元格中显示数字（从 1-9）。数字应以某种3x3格式放在彼此的下方。
I looked around, and only ended up with a rather complex custom implementation of a richtextboxcell.
我环顾四周，最终得到了一个相当复杂的richtextbox单元格自定义实现。
Is there a way I can draw a custom rectangleand then implement this as backgroundimageof the cell or something? The cell need to be redrawn several times. So I can't just call the paintevent I guess.
有没有办法可以绘制一个custom rectangle然后backgroundimage在单元格或其他东西上实现它？单元格需要多次重绘。所以我不能只调用paint我猜的事件。
Note:The cell must not be edited by the user.
注意：用户不得编辑单元格。
采纳答案by Kamil
Im don't know if this will satisfy you, but you can use Environment.NewLineto create simple line break inside cell.
我不知道这是否会让您满意，但您可以使用Environment.NewLine它在单元格内创建简单的换行符。
Example:
例子：
string nl = Environment.NewLine; // new line variable
string data = "1 2 3" + nl + "4 5 6" + nl + "7 8 9";
Added later:
稍后补充：
As Adriansaid in comments - you will need to:
正如阿德里安在评论中所说 - 您需要：
set the WrapMode for the
DataGridViewColumntoDataGridViewTriState.Truemake sure you set a height for the row, or set the DataGridView's
AutoSizeRowsModetoDataGridViewAutoSizeRowsMode.AllCells
将 WrapMode 设置
DataGridViewColumn为DataGridViewTriState.True确保为行设置高度，或将 DataGridView 设置
AutoSizeRowsMode为DataGridViewAutoSizeRowsMode.AllCells
If you don't want to edit that column - you can set DataGridView.Column.ReadOnlyproperty to true.
如果您不想编辑该列 - 您可以将DataGridView.Column.ReadOnly属性设置为true.
Update:
It took me a while to find this property with the above information. In VS C# 2017 the WrapMode property is located in the datagridview DefaultCellSytledialog.
更新：我花了一段时间才找到带有上述信息的属性。在 VS C# 2017 中，WrapMode 属性位于 datagridviewDefaultCellSytle对话框中。
