I have a lot of columns in my DataGrid and would like to be able to put it into a wrap panel so it has the ability to resize while still displaying all of it's contents. Here's a visual example:
No WrapPanel
With WrapPanel (This is just two DataGrids for representation)
Is there any way to achieve this effect?
No, you can't get the DataGrid to wrap like you want it to.
To achieve the effect that you want would require creating a custom control.
Related
I am trying to make a panorama-like control in WPF c# that scrolls to/brings into view only one grid from a horizontal set of grids. I need to expose the command which allows me to scroll forward/backward from various controls (which using an InteractionTrigger would suffice) on any of the grids in the ScrollViewer or ListBox.
I want each of the internal grids to size to the actual height/width of the usercontrol they live in (like tiled pages), won't need any scrollbars, and will eventually be applying easing effects/states to each of the scroll positions.
If this is too vague/convoluted, please let me know.
Thanks in advance! :)
Easy Solution:
PathListBox. Downloaded the PathListBox toolkit (for the PathListBoxScrollBehavior), set the capacity to 1, and used the templated InteractionTriggers to bind various source objects on my grids to the InvokeCommandAction Increment/Decrement Commands. Then I added easing effects/GoToStateActions.
I realize this is sort of a cheat, but am still going to search for the "real" way to do this with custom control templates deriving from ListBox and/or ScrollViewer.
I've written a WPF control which accepts a number of UIElement objects as input and displays them docked either vertically or horizontally. The control exposes functions for enumerating, removing and inserting children, but internally I'm using a Grid to build the layout, creating a row/column for each item and inserting a GridSplitter between them. To do this I've inherited from ContentControl, and upon initialization I just set the Content property with the Grid. Everything is working as intended, but now I wonder if this might be confusing for the user of my control, as it would be counter-intuitive to have a ContentControl that has many items.
Should I be inheriting from ItemsControl instead?
Should I inherit directly from Control which is "content-agnostic"?
Is there a better way to do this?
Thanks in advance.
What you describe sounds like a Panel - basically a control which is responsible for the layout of many elements. I would consider inheriting from that.
Your mention of "docked either vertically or horizontally" leads me to believe perhaps a StackPanel would be a better fit, since it does docking as well.
I want to change the view inside stackpanel based on what user clicks from the menubar. What's the best practice to implement this?
There is no exact equivalent, but same functionality can be achieved with several containers from WPF:
with a Grid (putting all the controls inside the Grid without specifying a row or column for them and implementing a mechanism wich only allows once child to be visible at any time)
with a Custom Control derived from Panel and a Property specifying which is the active (visible) child from its children, etc.
Sounds like you could use a TabControl with the Header set to nothing
I'd like to create a dropdown panel in WPF the acts like a ComboBox/Expander hybrid. I'm currently using an Expander but it pushes the the controls underneath it down when it expands.
I simply want it to act like a ComboBox and overlay it's dropdown. I've looked at using Popups but they don't move with the underlying window when it's moved.
So, I've concluded that the closest control to my needs is a ComboBox which allows me to put a Grid or StackPanel into its dropdown area.
Any ideas how to achieve this?
I am not exactly sure what you want to do:
But the layout depends very much on the parent control. If your controls are in a Stackpanel all controls will be moved if a control expands or changes its size. If you use a Canvas you can align controls on top of each other.
Also Adorner are useful when you want overlay something above something else.
You can change the appearance of the ComboxBox and you can put a grid or anything else inside it. Have a closer look at ItemTemplate.
I am adding user controls in my solution. The main page of my project will have a dock panel. When writing the xaml for my user controls should I remove grid and use dock panel or what? Iam using visual studio express and WPF.
The answer is it depends on what you want your control to look like.
Remember the Grid is to help you orgainze your controls. You can define features like columns widths, row heights, and other styling.
While a dock panel is to help dock your control to a part of the form or another.
So it depends on what you want your control to look like. You can nest a grid in a dock panel and vice versa. There is no set rule. It is really up to you.
Inside your user controls, use whatever type of panel makes sense for the contents of that control. In the main page, you set the DockPanel.Dock attribute on your user control, but that is independent of what's inside the user control.
It really depends on what you want to do.
Your top level may not even be a panel. For example, if you only want one control in the user control, then you really don’t need the panel.
Also, in some cases, even with composite controls, you may want to put something other than a panel as the top level control, for example, an expander.
Further, if you want to create a control that is very similar to another control, but behaves a little different, you may not even want to use a user control and instead inherit from an existing control. An example of this would be a numeric textbox that inherits from a textbox but adds keypress filtering.