I'd like to draw a high-framerate (30fps+) graph/chart in a Windows Forms app. How? Windows Forms gets TERRIBLE frame rates drawing a clear-background drawing over a window. (I come from the land of GNU, so I apologize if this is obvious.) ...
Hello, I'm using WPF and the Tab Control as my menu. This generate alot of code behind code because one file is controlling all the user actions. Then i was thinking that i could use a Controller class for every TabItem. I used it and it works, but dont like the outcome. I have to use the FindName() method on the TabItem that i pass to ...
Are there any situations where the content of a ContentPresenter will be some object other than a UIElement? Given that the field is declared as object rather than a UIElement, it seems possible that there would be. However, I cannot think of any situations where it would be, or even if it would be valid. ContentPresenter presenter = Ge...
Does anyone know if and how one can disable one or more listbox items in a wpf lisbox without disabling the entire listbox? Preferably I would have a DataTrigger which, when a certain Binding value is false, disables this item (make it impossible to select) while keeping other items in the same listbox active. <ListBox> <ListBox.Item...
How can I handle tilt left or tilt right mouse event in WPF? ...
Hello, i have a lot of some WPF windows. On them i write some code, which binds UI controls and data, something like this: public class AddressWindow { public string AddressID { get; set; } public string Addr1 { get; set; } public string Addr2 { get; set; } public string ZIP { get; set; } ...
Hello, i use devexpress comboBoxEdit component in my WPF app. I assign values for it like this: private void Users1_Load() { DataTable dtCat = SqlHelper.GetTable("base_UserCategory_Select", new string[] { }); DataRow dr = dtCat.NewRow(); dr["UserCategoryID"] = 0; dr["CategoryName"] = "< All >"; dr["IsSystem"] = "Fals...
Hello, I've a UserControl which contains a TextBox called myTextBox. This UserControl is placed in a MainWindow.xaml where I'm trying to catch the "UIElement.PreviewKeyUp". Now when debugging, I can see the "UserControl" as sender, not the TextBox. How can I check if the KeyEventArgs e (especially e.Key) were sent from the TextBox call...
Hi All, How can i store a System.Windows.Controls.Image to disk say at location: C:\data\1.jpg Thanks ...
I'm trying to get elements to render outside the bounds of their parent panel, in this case I'm using a stack panel. <StackPanel ClipToBounds="False" Width="200" Orientation="Horizontal" Height="50" Background="{DynamicResource TierBackground}"> <Rectangle ClipToBounds="False" VerticalAlignment="Bottom" Width="25" Height...
I'm trying to get an image to float unstreched in the middle of my TabControl. I started with the below XAML which stretches the image. <TabControl> <TabControl.Background> <ImageBrush ImageSource="/LogoTest;component/logo_final.png" /> </TabControl.Background> </TabControl> I've tried various approaches ...
Hi all, If I render the following: <Grid> <Canvas SnapsToDevicePixels="True"> <Path Fill="#FF000000" SnapsToDevicePixels="True" Data="M 0.00,0.00 L 2.50,0.00 0.00,10.00 " /> <Path Fill="#FF260014" SnapsToDevicePixels="True" Data="M 2.50,0.00 L 7.50,0.00 2.50,10.00 0.00,10.00 " /> <Canvas.RenderTransform> <ScaleTransform Scale...
Hi, I have a Datatable assigned to a DataGrid in main thread. I am updating the same DataTable from two different thread classes. Although the rows gets updated successfully in DataGrid control, I get following execption: NotSupportedException thrown, with the message saying 'This type of CollectionView does not support chan...
Set ItemsSource of a ComboBox to an Array of Integers? ...
Hi, I am trying to display a tooltip for an item generated by an ItemsControl that needs to pull data from conceptually unrelated sources. For example, say I have an Item class as follows: public class Item { public string ItemDescription { get; set; } public string ItemName { get; set; } } I can display the Item within an It...
I have a ContentControl comprised from left to right of a Button, partition and a ComboBox. I want the ComboBox dropdown to line up with the left side of the control as opposed to the left side of the combobox. Can't seem to find docs on Relative placement, etc. Anyone dealt with this? TIA ...
I am trying to produce a list of servers for browsing on a network such that it produces a tree view which looks like this: -Local Server - Endpoint 1 - Endpoint 2 -Remote - <Double-click to add a server...> - Remote Server 1 - Endpoint 1 - Endpoint 2 - Remote Server 2 - Endpoint 1 - Endpoint 2 My ViewModel looks like...
I am writing an application (c# + wpf) where all modal style dialogs are implemented as a UserControl on top of a translucent grid covering the main window. This means there is only one window and it maintains the look and feel of all the firms applications. To show a message box, the syntax is as following: CustomMessageBox b = new C...
I was using the following xaml in wpf: <Style TargetType="{x:Type Border}"> <Setter Property="BitmapEffect"> <Setter.Value> <BitmapEffectGroup> <DropShadowBitmapEffect ShadowDepth="1"/> </BitmapEffectGroup> </Setter.Value> </Setter> </Style> When I discovered that DropShadowBitmapEffect is now deprecated in favour of Dro...
I have the following xaml to show a rotating ellipse: <Ellipse x:Name="ellipse" Stroke="{StaticResource _SpinnerGradientBrush}" StrokeThickness="20" RenderTransformOrigin="0.5,0.5" > <Ellipse.RenderTransform> <TransformGroup> <RotateTransform Angle="0" /> ...