Datagrid header 多余的margin问题
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Assessment
- Difficulty
- 2/5
- Estimated time
- 1-3 hours
- Newbie friendliness
- 72/100
Research direction
Search the DataGrid template for DataGridBaseStyle and DataGrid.Small, then inspect the SimplePanel and DataGridColumnHeadersPresenter margins shown in the issue. Reproduce the problem by applying a blue header background. Done means the header background reaches the first row without the visible gray gap in both affected styles.
Written by the indexing model from the issue text.
Description
Describe the bug
DataGrid的Template里面的两个Margin硬编码有问题。DataGridBaseStyle和DataGrid.Small都受这个影响。
Steps to reproduce the bug
给header换个颜色就能重现了。
<DataGrid.ColumnHeaderStyle>
<Style TargetType="DataGridColumnHeader">
<Setter Property="Background" Value="Blue"
</Style>
</DataGrid.ColumnHeaderStyle>
下面这两个Margin="0,0,0,6"会让header下面出现gap，当Header的背景色都是灰色的时候看不出来，但是换了颜色后，就很明显了。第一行和Header之间有个灰色的gap。
<hc:SimplePanel Margin="0,0,0,6" ...
<DataGridColumnHeadersPresenter x:Name="PART_ColumnHeadersPresenter" Margin="0,0,0,6" ..
Expected behavior
换header颜色时，下面不要有灰色gap
Screenshots
No response
NuGet package version
None
IDE
No response
Framework type
No response
Windows version
No response
Additional context
No response
- Dominant language
- C#
- Stars
- 7.2k
- Forks
- 1.2k
- PR merge metrics
- No merged PRs in 30d
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