MahApps/MahApps.Metro

TripleNico

@TripleNico

Hi all! Just a quick question. Upon an new Window Show there is a smooth animation going on. Now later on i hide and show á window but i noticed then when a window was hide than the Show doesn't trigger that animation again. Is there a way to trigger this again?

Tim

@timunie

@TripleNico you can place your whole content in a mah:MetroContentControl which can be used to trigger the animation. but if so I would disable the Property WindowTransitionsEnabled=false on your window

Zeleksonob

@Zeleksonob

Hi guys ,
I'm trying modifiy the path height and width (polygon up/polygon down)of numeric up and down
using https://github.com/MaterialDesignInXAML/MaterialDesignInXamlToolkit/blob/master/MaterialDesignThemes.MahApps/Themes/MaterialDesignTheme.MahApps.NumericUpDown.xaml

how can I override this property in my xaml ?

Jan Karger ツ ☀

@punker76

@Zeleksonob Currently there is no simple way to do this. For now you must take the template and replace the path. I have a change in the pipeline to make this easier.

Zeleksonob

@Zeleksonob

so there mo way to control the height of the buttons ?

*easy way

Tim

@timunie

@Zeleksonob not now but planned. But tbh replacing a template is not that hard in WPF. If you never did it its a good first try 🤓

Happy coding

jorrr1

@jorrr1:matrix.org

[m]

Hello all, t is possible enable change position my program by click on bar with program title when MessageBox show? Because when this command execute, I can't click to move my program in other position. I use MahApps.Metro.

MetroWindow metroWindow = (Application.Current.MainWindow as MetroWindow);
MessageDialogResult dialogResult = metroWindow.ShowModalMessageExternal("Title", "Message", MessageDialogStyle.AffirmativeAndNegative);

Tim

@timunie

Hi @jorrr1:matrix.org

You can try this on your MetroWindow: ShowDialogsOverTitleBar="False"

jorrr1

@jorrr1:matrix.org

[m]

Thanks for help @timunie and I have next question, this ModelMessageExternal I can set same style like MessageAsync? Because ModelMessageExternal hide program and MessageAsync work async and run other command and I would like the next command to be called only after clicking "ok".

Tim

@timunie

@jorrr1:matrix.org ?

MessageAsync work async and run other command and I would like the next command to be called only after clicking "ok".

If you call if (await ShowMessageAsync(...) == MessageResult.OK) { run your stuff here } it should do one by one.

jorrr1

@jorrr1:matrix.org

[m]

Does it have to include await ? Because it forces me to do an asynchronous method.

With ModelMessageExternal I mean that it is displayed on the whole screen of the program and hide all with title bar, and MessageAsync only on a certain height

Tim

@timunie

Yes it has to include await. Else you block the UI.

That is how it works tbh.

sgamescz

@sgamescz

Hi everybody. I dont know, if my question belongs here or it is general C# question, but :

            var currentWindow = this.TryFindParent<MetroWindow>();
            var controller = await currentWindow.ShowProgressAsync(SORGAIR.Properties.Lang.Lang.home_load_caption, SORGAIR.Properties.Lang.Lang.home_load_caption);

            controller.SetProgress(0.1);
            controller.SetMessage("BLABLABLA");

its possible to set message via binding ?

because if i call ShowProgressAsync , and in background call big function that call many sub-functions i need update in this ShowProgressAsync updates manytimes message

and controller.SetMessage(OTHERMODULE.TEXTTOSHOW); show it only once (logically). and OnPropertyChanged("TEXTTOSHOW"); not rewrite this value on my controller.

Tim

@timunie

You can call setmessage over and over again

If you pass the controller as a parameter also from your sub.

sgamescz

@sgamescz

@timunie thanks, it is better idea :) its working.

TripleNico

@TripleNico

@TripleNico you can place your whole content in a mah:MetroContentControl which can be used to trigger the animation. but if so I would disable the Property WindowTransitionsEnabled=false on your window

Thanks, work like a charm!

Another question, how would one use the DataGridComboBoxColumn ?

Another question, how would one use the DataGridComboBoxColumn ?

Sorry, let me rephrase: Currently i have this:

                <DataGridComboBoxColumn
                    Header="Rol"
                    ItemsSource="{Binding Source={local:EnumBindingSource {x:Type local:UserRole}}}"
                    SelectedItemBinding="{Binding Role, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"
                    SelectedValueBinding="{Binding Role, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}" />

Which does work but i want the ComboBox to stretch the full column width. But i have also this set: ColumnWidth="*"

and:

And last but not least, how to set the Fontsize of DataGridComboBoxColumn?

Tim

@timunie

@TripleNico if you set HorizontalAlignment="Center" it will not stretch the contnet. 🤷‍♂️

Set HorizontalAlignment="Stretch"

And last but not least, how to set the Fontsize of DataGridComboBoxColumn?

You can use ElementStyle and EditingElementStyle I think. 🤔

Rohan D'Sa

@goldcode

@timunie regarding the virtualization issues, you had mentioned about grouping in listview. i got the impression the virtualization was also disabled there.

https://github.com/timunie/VirtualizationIssue/tree/UsingGrouping

normally snoop only shows as many items as there are on the screen when virtualization is enabled.

i wanted to use treeview, then i realized the data (tree children) i want to show is actually more than just a string field. it is a bunch of fields which should be formatted in a grid like manner. so i actually require a listview gridview format.

Tim

@timunie

VirtualizingPanel.IsVirtualizingWhenGrouping="True"

Did you set the above property?

Rohan D'Sa

@goldcode

i ran your code on my VS. also i see that its done here <Style x:Key="MahApps.Styles.ListView.Virtualized" BasedOn="{StaticResource MahApps.Styles.ListView}" TargetType="{x:Type ListView}">
<Setter Property="CanContentScroll" Value="True" />
<Setter Property="IsDeferredScrollingEnabled" Value="True" />
<Setter Property="IsVirtualizing" Value="True" />
<Setter Property="IsVirtualizingWhenGrouping" Value="True" />
<Setter Property="VirtualizationMode" Value="Recycling" />
</Style>

Tim

@timunie

Ok the point is it runs on my side lets say fluid enough. So I don't care about the underlying things. I did not learn programming professionally, so I can't give more support here.

Maybe someone on StackOverlow can help or it is written in the MS Docs?

Tim

@timunie

One last word if this really matters for you. WPF is open source now and you can browse the code. So you can really see what is happening behind the scenes.

Rohan D'Sa

@goldcode

@timunie thanks still for the help. just wanted to give feedback after the trouble you took to help me. just so that you know im using your colorpicker in production code! :)

Tim

@timunie

🥳💙

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