问题描述
亲爱的，
我有以下布局：
在上面的图片中你可以看到我有 根网格，它基于2列和2行。
当行0和1的大小基于其内容时，我在第1列上有一个userControl，它的MinHeight需要设置到Row0和Row1的高度
In the picture on top you can see that I have root grid which is based on 2 columns and 2 rows.
When rows 0 and 1 have a size based on their content , I have a userControl on the column 1 which have its MinHeight which need to be set to the Height of Row0 and Row1
当Row1的高度为0时，只有行0具有高度值，那时我需要将UserrControl MinHeight更新到所有time根据Row0或Row0 + Row1调整其默认值。
When Row1 have a height of 0, then only the Row 0 which have a Height value and at that time I need to get the UserrControl MinHeight update to all time gets its default value sized based on Row0 or Row0 + Row1.
任何想法如何根据第0列的高度更新UserControl的MinHeight？
示例将帮助
请注意，当为MinHeight设置默认值后，用户可以自由调整高度使用GridSplitter的垂直尺寸网格。
Please note that when after default value is set for MinHeight, user can freely adjust the height of the grid in vertical size suing a GridSplitter.
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