I am trying to make TextBox to wrap text and grow with the Window. That works if I don't set ScrollViewer's HorizontalScrollBarVisibility property. But if I do, TextBox will grow infinitely. The problem is solved by setting MaxWidth property to the TextBox, but in that case TextBox does not grow beyond the MaxWidth value. My idea was then to bind MaxWidth to ColumnDefinition's ActualWidth, but that also doesn't work because ColumnDefinition's ActualWidth property is not a DependencyProperty. Here is my code:
<ScrollViewer VerticalScrollBarVisibility="Auto" HorizontalScrollBarVisibility="Auto">
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="Auto" />
<ColumnDefinition Width="*" />
</Grid.ColumnDefinitions>
<TextBlock Grid.Row="0" Grid.Column="0" Text="Name:" Margin="5" />
<TextBox MinWidth="200" Grid.Row="0" Grid.Column="1" TextWrapping="Wrap" AcceptsReturn="True" Margin="5"/>
</Grid>
</ScrollViewer>
Any ideas will be appreciated.
Try this:
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="Auto" />
<ColumnDefinition Width="*" />
</Grid.ColumnDefinitions>
<TextBlock Text="Name:" Margin="5" />
<ScrollViewer VerticalScrollBarVisibility="Auto" HorizontalScrollBarVisibility="Auto" Grid.Column="1">
<TextBox MinWidth="200" TextWrapping="Wrap" AcceptsReturn="True" Margin="5" MaxWidth="{Binding Path=ActualWidth, RelativeSource={RelativeSource AncestorType={x:Type ScrollViewer}}}" />
</ScrollViewer>
</Grid>
Related
I am trying to align data with the headers in a WPF application. The headers a line up and spaced nicely. However, I cannot get the data items underneath to line up with the headers. Any suggestions?
I have been poking around a bit, but have not found a solution to my problem. I do have to stick with list box as it is part of the requirements. Also, I am new to WPF.
Here is what the output is:
And here is the xaml that I am using:
<Grid Grid.Row="2">
<ListBox ItemsSource="{Binding MyData}">
<ListBox.Template>
<ControlTemplate>
<StackPanel>
<Grid Grid.IsSharedSizeScope="True">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="*" x:Name="ToteNumber"></ColumnDefinition>
<ColumnDefinition Width="*" x:Name="Desription"></ColumnDefinition>
<ColumnDefinition Width="*" x:Name="Time"></ColumnDefinition>
</Grid.ColumnDefinitions>
<TextBlock Grid.Column="0" Text="Tote Number" HorizontalAlignment="Center"/>
<TextBlock Grid.Column="1" Text="Description" HorizontalAlignment="Center"/>
<TextBlock Grid.Column="2" Text="Time" HorizontalAlignment="Center"/>
</Grid>
<ItemsPresenter></ItemsPresenter>
</StackPanel>
</ControlTemplate>
</ListBox.Template>
<ListBox.ItemTemplate>
<DataTemplate>
<StackPanel>
<Border BorderThickness="1" BorderBrush="Black">
</Border>
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="*"></ColumnDefinition>
<ColumnDefinition Width="*"></ColumnDefinition>
<ColumnDefinition Width="*"></ColumnDefinition>
</Grid.ColumnDefinitions>
<TextBlock Grid.Column="0" Text="{Binding Property1}" HorizontalAlignment="Stretch"/>
<TextBlock Grid.Column="1" Text="{Binding Property2}" HorizontalAlignment="Stretch"/>
<TextBlock Grid.Column="2" Text="{Binding Property3}" HorizontalAlignment="Stretch"/>
</Grid>
</StackPanel>
</DataTemplate>
</ListBox.ItemTemplate>
</ListBox>
You need to set Grid.IsSharedSizeScope="True" on a parent panel and you need to identify the SharedSizeGroup on each column so it knows which column in your listbox template grid corresponds to which one in your itemtemplate.
Note that I think * width is treated as Auto when you apply Sharedsizegroup.
I use width auto and minwidth instead when I've done something similar.
You may find you need to bind width of each column to some parent measuring grid or calculate minwidth using a converter based on ViewportWidth of the scrollviewer in your listbox.
<Grid Grid.Row="2" Grid.IsSharedSizeScope="True">
<ListBox ItemsSource="{Binding MyData}">
<ListBox.Template>
<ControlTemplate>
<StackPanel>
<Grid Grid.IsSharedSizeScope="True">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="*" SharedSizeGroup="A" x:Name="ToteNumber"></ColumnDefinition>
<ColumnDefinition Width="*" SharedSizeGroup="B" x:Name="Desription"></ColumnDefinition>
<ColumnDefinition Width="*" SharedSizeGroup="C" x:Name="Time"></ColumnDefinition>
</Grid.ColumnDefinitions>
<TextBlock Grid.Column="0" Text="Tote Number" HorizontalAlignment="Center"/>
<TextBlock Grid.Column="1" Text="Description" HorizontalAlignment="Center"/>
<TextBlock Grid.Column="2" Text="Time" HorizontalAlignment="Center"/>
</Grid>
<ItemsPresenter></ItemsPresenter>
</StackPanel>
</ControlTemplate>
</ListBox.Template>
<ListBox.ItemTemplate>
<DataTemplate>
<StackPanel>
<Border BorderThickness="1" BorderBrush="Black">
</Border>
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="*" SharedSizeGroup="A"></ColumnDefinition>
<ColumnDefinition Width="*" SharedSizeGroup="B"></ColumnDefinition>
<ColumnDefinition Width="*" SharedSizeGroup="C"></ColumnDefinition>
</Grid.ColumnDefinitions>
<TextBlock Grid.Column="0" Text="{Binding Property1}" HorizontalAlignment="Stretch"/>
<TextBlock Grid.Column="1" Text="{Binding Property2}" HorizontalAlignment="Stretch"/>
<TextBlock Grid.Column="2" Text="{Binding Property3}" HorizontalAlignment="Stretch"/>
</Grid>
</StackPanel>
</DataTemplate>
</ListBox.ItemTemplate>
</ListBox>
As I mentioned, I use a similar technique in some of my own markup. For that I put the headers grid and then the listbox with an itemtemplate in a stackpanel.
<StackPanel>
<Grid>
Headers
<ListBox>
ItemTemplate
</StackPanel>
Sounds like that doesn't suit whatever is driving your requirements though.
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="25*" />
<ColumnDefinition Width="49*" />
<ColumnDefinition Width="25*" />
</Grid.ColumnDefinitions>
<StackPanel Grid.Column="1" Margin="30" VerticalAlignment="Center">
<StackPanel Orientation="Horizontal">
<TextBlock Margin="0,0,5,0" Text="Username:" />
<TextBox HorizontalAlignment="Stretch"/>
</StackPanel>
</StackPanel>
--Result image--
Im trying to make it so that the textbox will fill the rest of the space inside the current StackPanel.
however the "Stretch" propety doesn't seem to work - why is that?
Is there a different way do it or what am I doing wrong?
A StackPanel always tries to achieve the minimum possible height/width, depending on orientation; therefore, Stretch has no effect. You might want to use a DockPanel instead, which allows children to stretch:
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="25*" />
<ColumnDefinition Width="49*" />
<ColumnDefinition Width="25*" />
</Grid.ColumnDefinitions>
<StackPanel Grid.Column="1"
Margin="30"
VerticalAlignment="Center">
<DockPanel>
<TextBlock DockPanel.Dock="Left" Margin="0,0,5,0"
Text="Username:" />
<TextBox HorizontalAlignment="Stretch"/>
</DockPanel>
</StackPanel>
</Grid>
I have two textboxes in my app, with a variable lenght. One is on the left, the other one on the right. By default their width is pretty little, 30 px. But as they contain a lot of numbers, the textbox on the left shifts the right one and enlarges the window (same thing when the right textbw contains too many numbers). To avoid this, I would like to stabilize the right textbox on the right, even if its width rises.
I've tried to play with the columns size, but not.
<Grid Grid.Row="2">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="170" />
<ColumnDefinition Width="Auto" />
<ColumnDefinition Width="10" />
<ColumnDefinition Width="*" />
</Grid.ColumnDefinitions>
<TextBox Grid.Column="1" MinWidth="30" Margin="0,0,0,0" Name="maxGmapWest" Text="{Binding Path=Options.MaxGmapWest, ElementName=Window, Mode=OneWay, Converter={StaticResource StringToDoubleConverter}}" PreviewTextInput="Tab1_PreviewTextInput" Width="auto" />
<TextBox Grid.Column="3" MinWidth="30" Margin="230,0,0,0" Name="maxGmapEast" Text="{Binding Path=Options.MaxGmapEast, ElementName=Window, Mode=OneWay, Converter={StaticResource StringToDoubleConverter}}" PreviewTextInput="Tab1_PreviewTextInput" Width="auto" HorizontalAlignment="Left" />
</Grid>
Try something like that markup
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="*"/>
<ColumnDefinition Width="*"/>
</Grid.ColumnDefinitions>
<ScrollViewer Grid.Column="0" Width="auto" MinWidth="50" VerticalScrollBarVisibility="Auto" Margin="0,0,0,0" HorizontalAlignment="Left" MaxHeight="40" >
<TextBox Name="maxGmapWest" TextWrapping="Wrap" />
</ScrollViewer>
<ScrollViewer Grid.Column="1" HorizontalAlignment="Right" VerticalScrollBarVisibility="Auto" MinWidth="50" Margin="0,0,20,0" MaxHeight="40">
<TextBox Name="maxGmapEast" TextWrapping="Wrap" />
</ScrollViewer>
</Grid>
maxwidth for textbox=width of column, fixed max height and using ScrollViewer for large text
How to refer MaxWidth="??" of TextBlock to stpMessage ActualWidth?
<StackPanel Name="stpMessage" Orientation="Horizontal" Margin="0,5,0,0">
<Grid >
<Grid.ColumnDefinitions>
<ColumnDefinition Width="2*" />
<ColumnDefinition Width="2*" />
</Grid.ColumnDefinitions>
<TextBlock Margin="0,0,0,0" Foreground="Blue" TextWrapping="Wrap">#ToUserName</TextBlock>
<StackPanel Grid.Column="1">
<TextBlock Margin="5,0,0,0" Text="{Binding Path=Text}" MinHeight="20" MinWidth="200" HorizontalAlignment="Stretch" MaxWidth="1000"
VerticalAlignment="Stretch" TextWrapping="WrapWithOverflow">START skf skdjf skdj hfskdjf ksdjhf ksjdhf ksjhf kjsf kjshf kjshkjfhsdf kjsfdkj hskdfj hskdjf hskdjf skjhfksjfks END</TextBlock>
</StackPanel>
</Grid>
</StackPanel>
The problem with this is that StackPanels do not limit the size of their children, so will grow as much as their children need
Change your StackPanel to a control that limits the size of it's children, like a Grid (or wrap it in another control) and then use an ElementName binding to bind to the ActualWidth property of that control
<Grid Name="stpMessage" ... />
...
<TextBlock MaxWidth="{Binding ElementName=stpMessage, Path=ActualWidth}" ... />
...
</Grid>
I have a 3 column grid for my layout with each of it width set to Width="*". For the middle (2nd) grid, I have another 3 column grid each containing it own textblock, and again the column grids width are set to Width="*".
When the Window is resized, the grids are resized as expected, however the 3rd textblock isn't getting trimmed if the text goes outside the boundary of the grid. I have textbox set with TextTrimming="WordEllipsis" and TextWrapping="Wrap", and the properties are not being enforced for some reason.
Here is some of the code I have:
Layout grid:
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition MinWidth="150" MaxWidth="300" Width="1*" />
<ColumnDefinition Width="Auto"/>
<ColumnDefinition MinWidth="150" MaxWidth="500" Width="1*" />
<ColumnDefinition Width="Auto"/>
<ColumnDefinition Width="2*"/>
</Grid.ColumnDefinitions>
</Grid>
2nd column code:
<Grid Grid.Column="2" VerticalAlignment="Bottom" HorizontalAlignment="Left" Margin="5" Width="Auto">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="Auto" />
<ColumnDefinition Width="Auto" />
<ColumnDefinition Width="Auto" />
</Grid.ColumnDefinitions>
<TextBlock Text="{Binding Path=FeedItems.Count}" Foreground="White" FontSize="18" Width="Auto" FontWeight="SemiBold" />
<TextBlock Text=" items from " Foreground="White" FontSize="18" Width="Auto" Grid.Column="1" />
<TextBlock Text="{Binding Path=Name}" Foreground="White" FontSize="18" Grid.Column="2" TextTrimming="CharacterEllipsis" HorizontalAlignment="Left" Width="Auto" TextWrapping="NoWrap" ClipToBounds="True" />
</Grid>
In order for this to work, you would need the last column in the second grid to have a * size, otherwise it will tell the TextBlock that it has as much space as it wants, even if it doesn't. Auto sized columns won't restrict the content to the bounds of a grid. However, you would probably get better results if you did this with a single TextBlock, and multiple Runs:
<TextBlock FontSize="18" TextTrimming="CharacterEllipsis">
<Run Text="{Binding Path=FeedItems.Count}" FontWeight="SemiBold" />
<Run Text=" items from " />
<Run Text="{Binding Path=Name}" />
</TextBlock>
Note that you can only bind Run.Text as of .NET 4.0. If you're using an older version of the framework, you'll have to create your own BindableRun, which is pretty simple as seen here.