Clear Sort WPF DataGrid

WPF > Controls > ItemsControl > DataGrid > Clear Sort

_collectionView = (CollectionView)CollectionViewSource.GetDefaultView(dataGrid.Items);

_collectionView.SortDescriptions.Clear();

Convert Hex to SolidColorBrush

WPF > System.Windows.Media > BrushConverter

BrushConverter is used to convert a Brush object to or from another object type.

Example:

row.Background = (SolidColorBrush)(new BrushConverter().ConvertFrom("#FFA7CDF0"));

Get Current Row WPF DataGrid

WPF > Controls > ItemsControl > DataGrid > ItemContainerGenerator > ContainerFromIndex

Returns the element corresponding to the item at the given index.

Example

How to get current row if row is not selected.

var index = dataGrid.Items.IndexOf(dataGrid.CurrentItem);

var row = (DataGridRow)dataGrid.ItemContainerGenerator.ContainerFromIndex(index);

Get rectangles from canvas WPF code behind

WPF > Controls > Layout > Canvas > Children


Example 

Get all rectangles from canvas.

private List<Rectangle> GetRectangles()

{

    return canvas.Children.OfType<Rectangle>().ToList();

}

Round line WPF code behind

WPF > Line 

Line line = new Line

{
 Stroke = Brushes.Blue,

 StrokeThickness = 18,

 StrokeStartLineCap = PenLineCap.Round,

 StrokeEndLineCap = PenLineCap.Round,

 Height= 50,

 X1 = 50,

 X2 = 100,

 Y1 = 10,

 Y2 = 10

};

canvas.Children.Add(line);

        

Slider WPF Example

WPF > Controls > Slider 

    <Grid>

        <TextBox

            Text="{Binding ElementName=Slider, Path=Value,             UpdateSourceTrigger=PropertyChanged}"

            Margin="33,112,288,172"/>

        <Slider

            Maximum="100"  

            Name="Slider"

            Margin="33,48,288,213"

            IsSnapToTickEnabled="True"

            TickFrequency="1" />

    </Grid>

Binding ComboBox to Enum and use Tag as SelectedValuePath

WPF > Controls > ItemsControl > ComboBox > Bind ComboBox to Enum

XAML

<Window x:Class="ComboBoxTag.MainWindow"

        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

        Title="MainWindow" Height="350" Width="525">

    <Grid>

        <ComboBox

                  SelectedValue="{Binding Rate, UpdateSourceTrigger=PropertyChanged, Mode=TwoWay}"

                  SelectedValuePath="Tag" Margin="0,0,306,295">

            <!-- Tag is values of Rate enum -->

            <ComboBoxItem Tag="Bad">Bad</ComboBoxItem>

            <ComboBoxItem Tag="Low">Low</ComboBoxItem>

        </ComboBox>

    </Grid>

</Window>

C#

namespace ComboBoxTag

{

    public enum Rate

    {

        Bad = 0,

        Good = 1

    }

}