【桌面开发】WPF中button去边框

1、BorderThickness=“0”：加上这个就可以去掉边框线了

2、鼠标经过的时候还是会显示一个大按钮，重写Button的ControlTemplate解决

<ControlTemplate x:Key="ReturnButton" TargetType="{x:Type Button}">
            <Grid>
                <Rectangle>
                    <Rectangle.Fill>
                        <ImageBrush   ImageSource="/Images/btngreynomal.png" ></ImageBrush>
                    </Rectangle.Fill>
                </Rectangle>
                <ContentPresenter VerticalAlignment="Center" HorizontalAlignment="Center" Content="{TemplateBinding Content}"></ContentPresenter>
            </Grid>
</ControlTemplate>