[英]WinRT Xaml ToolKit change Column width in Column Series
我正在測試WinRT Xaml工具包,並且有這樣的問題。 在“列系列”中,當我使用連續2個月的樣本數據(如第一張圖片)時,列寬會自動很好地計算。 但是,當我使用2個非連續個月的樣本數據(如第二張圖片(2月和9月))時,列寬有點失敗。 在第二張圖片中,除了沒有數據的月份的輸入數據= 0之外,還有沒有其他方法可以像第一張圖片一樣整齊地調整列寬。
這是我的代碼:
class Report
{
public string months { get; set; }
public int value{ get; set; }
}
public MainPage()
{
this.InitializeComponent();
LoadChartContents();
}
private void LoadChartContents()
{
List<Report> lstSource = new List<Report>();
lstSource.Add(new Report() { months = "2", value= 10 });
lstSource.Add(new Report() { months = "9", value= 15 });
(LineChart.Series[0] as ColumnSeries).ItemsSource = lstSource;
(LineChart.Series[0] as ColumnSeries).IndependentAxis = new LinearAxis{Minimum = 1,Maximum = 12,Orientation = AxisOrientation.X,Interval = 1};
}
XAML
<Chart:Chart x:Name="Chart" HorizontalAlignment="Center" Margin="5" Width="500">
<Chart:ColumnSeries Title="Chart Name" IndependentValuePath="months" DependentValuePath="value" />
</Chart:Chart>
還有什么其他方法可以使列寬像第一張圖片一樣整齊地跨度。
可以通過重置ColumnDataPoint樣式來更改列寬。 將Border
元素的寬度更新為所需的寬度將影響列的寬度。 代碼如下:
<charting:Chart
x:Name="Chart"
Width="500"
Margin="5"
HorizontalAlignment="Center">
<charting:ColumnSeries
Title="Chart Name"
DependentValuePath="value"
IndependentValuePath="months">
<charting:ColumnSeries.DataPointStyle>
<Style TargetType="charting:ColumnDataPoint">
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="charting:ColumnDataPoint">
<Border
x:Name="Root"
Width="20"
BorderBrush="{TemplateBinding BorderBrush}"
BorderThickness="{TemplateBinding BorderThickness}"
Opacity="0">
<Grid Background="{TemplateBinding Background}">
<Rectangle
x:Name="SelectionHighlight"
Width="20"
Fill="Red"
Opacity="0" />
<Rectangle
x:Name="MouseOverHighlight"
Width="20"
Fill="White"
Opacity="0" />
</Grid>
<ToolTipService.ToolTip>
<ContentControl Content="{TemplateBinding FormattedDependentValue}" />
</ToolTipService.ToolTip>
<VisualStateManager.VisualStateGroups>
<VisualStateGroup x:Name="CommonStates">
<VisualStateGroup.Transitions>
<VisualTransition GeneratedDuration="0:0:0.1" />
</VisualStateGroup.Transitions>
<VisualState x:Name="Normal" />
<VisualState x:Name="MouseOver">
<Storyboard>
<DoubleAnimation
Duration="0"
Storyboard.TargetName="MouseOverHighlight"
Storyboard.TargetProperty="Opacity"
To="0.6" />
</Storyboard>
</VisualState>
</VisualStateGroup>
<VisualStateGroup x:Name="SelectionStates">
<VisualStateGroup.Transitions>
<VisualTransition GeneratedDuration="0:0:0.1" />
</VisualStateGroup.Transitions>
<VisualState x:Name="Unselected" />
<VisualState x:Name="Selected">
<Storyboard>
<DoubleAnimation
Duration="0"
Storyboard.TargetName="SelectionHighlight"
Storyboard.TargetProperty="Opacity"
To="0.6" />
</Storyboard>
</VisualState>
</VisualStateGroup>
<VisualStateGroup x:Name="RevealStates">
<VisualStateGroup.Transitions>
<VisualTransition GeneratedDuration="0:0:0.001" />
</VisualStateGroup.Transitions>
<VisualState x:Name="Shown">
<Storyboard>
<DoubleAnimation
Duration="0"
Storyboard.TargetName="Root"
Storyboard.TargetProperty="Opacity"
To="1" />
</Storyboard>
</VisualState>
<VisualState x:Name="Hidden">
<Storyboard>
<DoubleAnimation
Duration="0"
Storyboard.TargetName="Root"
Storyboard.TargetProperty="Opacity"
To="0" />
</Storyboard>
</VisualState>
</VisualStateGroup>
</VisualStateManager.VisualStateGroups>
</Border>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
</charting:ColumnSeries.DataPointStyle>
</charting:ColumnSeries>
</charting:Chart>
雖然可以通過樣式更改寬度,但是我認為更好的方法是將集合的計數設置為適應編號。 如您所知,實際上可以自動計算寬度,該列之所以看起來如此之寬是因為它只有兩個記錄,平均十二個記錄的位置。 我們可以創建十二個記錄,但只有2個和9個具有可以設置為0的值。代碼如下:
private void LoadChartContents()
{
List<Report> lstSource = new List<Report>();
for (int i = 1; i <= 12; i++)
{
if (i == 2)
{
lstSource.Add(new Report() { months = 2, value = 10 });
}
if (i == 9)
{
lstSource.Add(new Report() { months = 9, value = 15 });
}
else
{
lstSource.Add(new Report() { months = i, value = 0 });
}
}
(Chart.Series[0] as ColumnSeries).ItemsSource = lstSource;
//lstSource.Add(new Report() { months = 2, value = 10 });
//lstSource.Add(new Report() { months = 9, value = 15 });
//(Chart.Series[0] as ColumnSeries).IndependentAxis = new LinearAxis { Minimum = 1, Maximum = 12, Orientation = AxisOrientation.X, Interval = 1 };
}
結果:
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.