stackpanel

WPF Credits effect problem: StoryBoard to animate a StackPanel that extends the height of the window

不想你离开。 提交于 2019-12-14 03:43:05
问题 This is my first WPF project. I'm trying to get a rolling credits effect with a bunch of banner-shaped PNG's stacked on top of each other vertically. My current approach is to have a bunch of images in a StackPanel. Each image is approx 1024x150, and there is about 30 images. They stack vertically. I start the StackPanel at 0,200, so most of it is off screen. I then have a StoryBoard (created in Blend) that translates it up the Y axis, all the way off-screen. The animation starts, but the

Thread-safe calls to WPF controls

我与影子孤独终老i 提交于 2019-12-13 00:53:32
问题 I am just writing my first program using WPF and C#. My windows just contains a simple canvas control: <StackPanel Height="311" HorizontalAlignment="Left" Name="PitchPanel" VerticalAlignment="Top" Width="503" Background="Black" x:FieldModifier="public"></StackPanel> This works fine and from the Window.Loaded event I can access this Canvas called PitchPanel . Now I have added a class called Game which is initialized like this: public Game(System.Windows.Window Window, System.Windows.Controls

WPF shadow on stackpanel controls

有些话、适合烂在心里 提交于 2019-12-12 23:43:36
问题 Is there a way to make the shadow of the first control in a StackPanel appear on top of the second control? I'm having trouble with this, look at the picture! alt text http://img2.imageshack.us/img2/7073/issuef.png Code sample: <Page xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:sys="clr-namespace:System;assembly=mscorlib"> <Grid> <StackPanel> <Border Height="100" Width="100" Background="Red"> <Border

how can we change zindex of a silverlight control programmatically?

与世无争的帅哥 提交于 2019-12-12 11:08:54
问题 I have some controls added in a stackpanel programmatically. What i want to do is that i want one of the controls in this stackpanel to be placed over another control. Specifically, I want to place button over an image in this stack panel. I couldn't find zindex property in c# codebehind. Although it seems very simple problem but i am unable to find any clue to solve this problem. Anyone please......?? 回答1: Try placing all your controls on Canvas. Then you can set Zindex with: this

WPF: Storyboard in style returning a “Cannot animate 'Color' on an immutable object instance.”

ぐ巨炮叔叔 提交于 2019-12-12 09:44:04
问题 I have the following XAML: <UserControl.Resources> <SolidColorBrush x:Key="Brush"></SolidColorBrush> <Style TargetType="{x:Type StackPanel}" x:Key="ColourChangingStyle"> <Setter Property="Background" Value="{StaticResource Brush}" /> <Style.Triggers> <DataTrigger Binding="{Binding Path='Stage'}" Value="1"> <DataTrigger.EnterActions> <BeginStoryboard> <Storyboard> <ColorAnimation Storyboard.Target="{StaticResource Brush}" Storyboard.TargetProperty="Color" From="{StaticResource FirstColor}" To=

What is the difference between a stackpanel and a virtualizingstackpanel in WPF?

丶灬走出姿态 提交于 2019-12-12 08:19:50
问题 What is the difference between a stackpanel and a virtualizingstackpanel in WPF? 回答1: A VirtualizingStackPanel can offer performance benefits when working with very large collections. It does so by only rendering and processing a subset of the data which is visible to the user vs. processing the entire list of data. By creating only UI elements for the visible items, this can greatly reduce the amount of work it has to do. This is really only handy though if You are data binding non-UI

Select XAML TextBox in StackPanel using TextBox's Index

心不动则不痛 提交于 2019-12-12 05:29:18
问题 I have the following code: //All elements edited below have already been defined in MainPage.xaml int index = Window_1_Document_Page_1.Children.IndexOf(sender as TextBox); //Window_1_Document_Page_1.Focus(FocusState.Programmatic); Window_1_Document_Page_1.Children.Remove(sender as TextBox); Before deleting sender as TextBox , how do I set the focus to the TextBox above it? Thanks in advance. 回答1: Maybe there is a more elegant solution, but this should work: //Get index of control you want to

DataTemplate for Listbox containing lists as items doesn't get displayed

て烟熏妆下的殇ゞ 提交于 2019-12-12 02:58:39
问题 I have the following data template for a list box items: <DataTemplate x:Key="substanceListShower"> <ListBox ItemsSource="{Binding Items}"> <ItemsPanelTemplate> <StackPanel Orientation="Horizontal"/> </ItemsPanelTemplate> </ListBox> </DataTemplate> And then I apply the item template like this: ReactantInterfacesListBox.ItemTemplate = (DataTemplate)FindResource("substanceListShower"); But in the list for the items i get a ToString() return: System.Windows.Controls.ItemsPanelTemplate Any help

Add Apps to StackPanel

旧巷老猫 提交于 2019-12-12 02:34:04
问题 Is there any way to add an app script that I created to a StackPanel? or do I have to create the StackPanel integrated with the existing app script code? function doGet() { var app = UiApp.createApplication(); //Create stack panel var stackPanel = app.createStackPanel().setSize('100%', '100%'); //add widgets to each stack panel, and name the stack panel stackPanel.add(, 'Instructions: Scheduling the Lab'); stackPanel.add(, 'Lab Calendar'); stackPanel.add(, 'Lab Request Form'); //Add the panel

Traversing elements of Stackpanel

别等时光非礼了梦想. 提交于 2019-12-11 13:21:46
问题 I am new to C#/XAML development and I have just started creating very basic windows phone 8 application. I want to get all the elements (Controls) added in the stackpanel as child to the stackpanel using stackpanel.Children.Add(name_of_the_control). Now I want to get all the elements or controls added in the stackpanel but do not know how to do it. I have searched on the net but could not get helpful link. Please help me with the process of how to achieve it. 回答1: You can access all controls