How to stretch checkbox item the full width of the combobox
I have a multiply combobox with checkbox items <ComboBox x:Name="cmb" IsEditable="True" IsReadOnly="True" DropDownClosed="cmb_DropDownClosed"> <ComboBox.ItemTemplate> <DataTemplate> <StackPanel Orientation="Horizontal"> <CheckBox Content="{Binding NmColumn }" HorizontalAlignment="Stretch" IsChecked="{Binding Path=bChecked, Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}" Tag="{Binding IdColumn}" /> </StackPanel> </DataTemplate> </ComboBox.ItemTemplate> </ComboBox> When I click on checkbox all is well. But if the checkbox width less than the width of combobox, when I click to the right of the