The project I am working on generates a series of tabs for each item opened by the user. For some tabs in particular, certain database hits and calculations take an extended period of time. I was trying to determine a simple way to alert the user when the tab is ready and figured a progress bar would be as good or better than other ways I considered.
I am wondering if there is a way to embed a progress bar behind the header text of a TabItem or if I will need to build my own CustomControl. I have no clue how to do either, however, I think some examples of the latter exist in the project so I could try to figure that out through them.
You can define the layout of a TabItem pretty easily. This snippet of XAML will create a TabControl with one TabItem where the header of the TabItem has a ProgressBar with a TextBlock over the ProgressBar.
Of course, please customize this XAML to actually make it look good :-D
<TabControl>
<TabItem>
<TabItem.Header>
<Grid>
<ProgressBar Width="100" />
<TextBlock Text="Some Tab"/>
</Grid>
</TabItem.Header>
</TabItem>
</TabControl>
Related
I'm tryig to use TabControl in Caliburn micro WPF project. I have two ViewModels (userControls) and I want the user to switch between them using tabcontrol.
I tried two different approaches, but I get the same problem with both of them.
After switching tabs (I click on second tab and then back on first), my application starts visibly lagging. For example if I click on a checkbox there is a visible delay.
It is the same problem as in this question: TabControl becoming very laggy, difference is that I am using caliburn micro and I am not sure that ListBox would be appropriate in my situation.
I tried implementing it this way:
<TabControl>
<TabItem Header="Item1">
<ContentControl
x:Name="Item1"/>
</TabItem>
<TabItem Header="Item2">
<ContentControl
x:Name="Item2"/>
</TabItem>
</TabControl>
I also tried using Conductor.Collection.OneActive:
this.Items.Add(Item1);
this.Items.Add(Item2);
XAML:
<TabControl Name="Items"/>
Everything works fine, it loads fast, tab switching is fast. The only problem is that rendering performance is really bad.
Any help would be appreciated.
I want to change the graphical UI elements in WPF.
For example, I want to use a kind of a stack panel, but on the other hand I want to show my details in a star, or circle, etc.
Maybe setting a bitmap as a background, but I am working with lots of Data using zoom tool.
I found tutorials, documentation only for changing attributes of "old components", but nothing to make new ones.
Great resource for WPF beginners is www.wpftutorial.net
One of the best idea of WPF is separation of concerns:
UI Control = Logic in Code/XAML + Template
Using templates in XAML we can vary representation without modifying the control.
For example, if there is a need in creation of list of items. Then we can use ListBox control:
<ListBox>
<ListBoxItem>USA</ListBoxItem>
<ListBoxItem>UK</ListBoxItem>
</ListBox>
By default LisboxItem internal part is just binded TextBlock.
Now making UI modification without changing control source code:
<ListBox ImageSource="{Binding PathToSource}">
<ListBox.ItemTemplate>
<DataTemplate>
<StackPanel Orientation="Horizontal">
<Image Source="{StaticResource ProjectIcon}"/>
<TextBlock Text="{Binding Path=PropertyName}" />
</StackPanel>
</DataTemplate>
</ListBox.ItemTemplate>
</ListBox>
there appears image and text.
If there is a need in creating exclusive control then you can always use Custom Control.
Using raster images (e.g. PNG) is not good point, especially with zoom behaviour. If it is possible better to use vector images, that can be created in XAML or imported from SVG.
I am trying to load a UserControl in the Window by using content control's content property in code behind. Every thing is fine, but my friends were not able to see all the control on the page due to resolution problem. How can I fix this to have scroll bar. I have tried putting ScrollViewer also, but it's not working. So, my solution works on the bigger Window which developed, but its not working on the Smaller resolution windows.
Sample code structure of loading the UserControl:
Window.Xaml
<ScrollViewer>
<ContentControl Name="ContentX" Margin="15,10,15,0" HorizontalAlignment="Center" VerticalAlignment="Center">
<Label FontWeight="Black" FontSize="18" FontFamily="Calibri">Some Content</Label>
</ContentControl>
</ScrollViewer>
Window.Xaml.cs
ContentX.Content = new UserControl();
UserControl.Xaml
//Contains the Code for User Control
I got it solved my Content Control is in another Grid Column where i fixed the width and height to be *, now i removed it it's working fine when i place it inside a Scroll Viewer
Normally the silverlight controls know where they are in terms of who is in front of or behind. An example is putting an image inside a listbox and when you scroll up and down in the listbox, the image will disappear/hide inside the listbox boundaries.
I have put a bing map object(the one that comes with the windows phone 7 sdk) inside a listbox. When I scroll to where the map is in the listbox, it is acting like I have some flag set to "Always on Top". I can't seem to find a property that is setting this or if it's inherent in the way the maps are designed.
I haven't tried this yet, but I'm curious if I add layers with pushpins in them if they too would act "Always on Top". I've included an image to explain. As you can see below, the map is outside of the listbox's bounding area and is even overlapping a button outside of the listbox.
Link to Map Image
<ListBox Height="590">
<TextBlock IsHitTestVisible="False" Foreground="#F80046" Style="{StaticResource PhoneTextExtraLargeStyle}" TextAlignment="Center" Text="Map"></TextBlock>
<my:Map Width="445" x:Name="EventMap" Margin="0,0,0,20" LogoVisibility="Collapsed" CopyrightVisibility="Collapsed">
<my:Map.CredentialsProvider>
<my:ApplicationIdCredentialsProvider ApplicationId="OMITED"></my:ApplicationIdCredentialsProvider>
</my:Map.CredentialsProvider>
</my:Map>
</ListBox>
I'm not sure what you're trying to accomplish, but this seems like more of a usage of ScrollViewer
<ScrollViewer>
<StackPanel>
<my:Map>
</StackPanel>
</ScrollViewer>
rather than ListBox. But anyway, I couldn't reproduce the problem. Does that button have some custom margins that could be doing that?
Here's the solution file I created to see the problem you have in the image. Note that I wasn't able to reproduce it in the solution.
http://dl.dropbox.com/u/129101/WindowsPhoneApplication1.zip
In Windows Forms the default behaviour of a TabControl is to have the tabs spill out to a scrollable area if they consume too much space (MultiLine = false).
What is the best approach to achieving this behavior in WPF?
UPDATE
I was trying to find a solution using TabControl.ItemsPanel but it seems anything I put in there gets completely ignored, so for this reason I've gone the hard way and started with TabControl.Template which is mind boggling that we have to do it this way if it turns out to be the correct approach.
Extremely far from being complete, my starting solution to the problem is as follows.
<TabControl>
<TabControl.Template>
<ControlTemplate TargetType="{x:Type TabControl}">
<DockPanel>
<ScrollViewer DockPanel.Dock="Top"
HorizontalScrollBarVisibility="Auto"
VerticalScrollBarVisibility="Disabled">
<StackPanel Orientation="Horizontal" IsItemsHost="True" />
</ScrollViewer>
<ContentPresenter ContentSource="SelectedContent" />
</DockPanel>
</ControlTemplate>
</TabControl.Template>
<TabItem Header="One">First</TabItem>
<TabItem Header="Two">Second</TabItem>
<TabItem Header="Three">Third</TabItem>
<TabItem Header="Four">Fourth</TabItem>
<TabItem Header="Five">Fifth</TabItem>
</TabControl>
In working to make a TabControl where the tabs are stacked vertically along the left, I found this solution for you:
http://www.blogs.intuidev.com/post/2010/02/10/TabControlStyling_PartThree.aspx
Pretty impressive stuff!
Your solution to replace the template seems to be the best way to do this. The default panel for the TabItems is a TabPanel, and I don't see anything like a "should wrap" property on it.
The documentation contains an example of replacing the TabControl template with a different TabPanel:
http://msdn.microsoft.com/en-us/library/system.windows.controls.primitives.tabpanel.aspx
i had the same problem few years ago, my solution was to limit the size of the header, and the panel that contains it, of course you need to make your own template like what you started, and also i need to implement some scrolling support so i put two repeat buttons at the left and right side of the scroll viewer.
my inspiration was a nice project from code project called IE tabs in wpf.
it's old as wpf and works good
I know this is an older post, but I wanted to add another idea should others be searching this on the internet.
If you set the width of the tabpanel to something larger it will be (assuming this is not a tabpanel that allows the user to continue to add other tabs in it). If you have the user adding new tabs to the tab panel, then a scroll bar will need to be added.
the easiest option is to set the ItemsPanelTemplate on the TabControl. I think the default is WrapPanel, hence the Multiline behaviour.
Change it to StackPanel for example and maybe add a ScrollViewer.
Something like this (just coding this without VS)
<TabControl>
<TabControl.ItemsPanel>
<ItemsPanelTemplate>
<StackPanel Orientation="Horizontal"/>
</ItemsPanelTemplate>
</TabControl.ItemsPanel>
</TabControl>
hope that helps a bit...