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Set value in a ComboBox ComboboxItem

 

 

Dieses Beispiel zeigt wie man einen Eintag in einem Auswahlfeld / ComboBox in UWP und WPF per XAML und per Code erstellen kann

 

 

UWP, WPF, Select Feld Dropdown Auswahl

 

In XAML

You place in the ComboBox within several ComboBoxItems

 

<ComboBox Grid.Row="1" Grid.Column="1" x:Name="CameraNr"  Width="200" HorizontalAlignment="Left" VerticalAlignment="Stretch"  VerticalContentAlignment="Center"

                      SelectedIndex="1" >

                <ComboBoxItem HorizontalContentAlignment="Center" Tag="1" Content="Camera1"></ComboBoxItem>

                <ComboBoxItem HorizontalContentAlignment="Center" Tag="2" Content="Camera2"></ComboBoxItem>

            </ComboBox>

 

 

Setting in the code

C#

You can add the ComboBoxItem in the C-code by creating it at run time with new ComboBoxItem() and then . Content="abc" and . Tag="No1"

private async Task<bool> Init_List_Cameras()

        {

            //----< @Loop: all Cameras >----

            var allVideoDevices = await DeviceInformation.FindAllAsync(DeviceClass.VideoCapture);

            for(int iDevice=0;iDevice<allVideoDevices.Count;iDevice++)

            {

                //< add comboBoxItem >

                DeviceInformation camera = allVideoDevices[iDevice];

                string sCameraName = camera. Name;

                ComboBoxItem itemCamera = new ComboBoxItem();

                itemCamera.Content = sCameraName;

                itemCamera.Tag="1";

                CameraNr.Items.Add(itemCamera);

                //</ add comboBoxItem >

            }

            //----</ @Loop: all Cameras >----

            //int Set_CameraNr = Convert.ToInt32(ApplicationData.Current.LocalSettings.Values["Set_CameraNr"]. ToString());

            return true;

        }

 

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