wpf-controls

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Manipulation events in a ListBox in wpf4 is never raised

I have a ListBox control defined within MainWindow and its IsManipulationEnabled property is set to true. I have the manipulation events (OnManipulationStarting, OnManipulationInertiaStarting and OnMa[详细]

2023-03-20 22:26 分类：问答
How do I make the combobox close when the dropdown button is pressed a second time?

I have a wpf combobox with some custom items. When the dropdown button is clicked the second time I would like the dropdown to close but instead it is reopened. I\'ve seen similar issues in other appl[详细]

2023-03-20 21:50 分类：问答
WPF Performance Problems with derived TextBox controls

I have a WPF application that renders input forms based on form-configurations saved in a database. The forms have many controls (100+) and most of these controls are derived from a TextBo开发者_运维[详细]

2023-03-20 18:16 分类：问答
Is it possible to scale text size inside textbox when text starts to go out of borders?

So the question is pretty straightforward. Is this possible in Silverlight 4? Update: This is the code I have got when trying to update edventuro.us solution for text block[详细]

2023-03-20 17:47 分类：问答
WPF: programmatically change color of a control with a custom style

<DrawingImage x:Key=\"HexagonImage\"> <DrawingImage.Drawing> <DrawingGroup> 开发者_Go百科<GeometryDrawing Brush=\"White\"[详细]

2023-03-20 17:30 分类：问答
Is it more efficient to build the "visual tree" in xaml rather than programmatically?

I’m working on a WPF application with a tabbed MDI interface. Basically, the user clicks a menu item and this creates and adds a new tab. A new \'MyUserControl\' is created and set to be the tab\'s C[详细]

2023-03-20 08:32 分类：问答
Suppress WebBrowser JavaScript message error

I use in an WPF project a XAML-components with a WebBrowser Control. In it, I load a page by the user is prompted to enter login information. After the login procedure, I get a JavaScript error messag[详细]

2023-03-19 22:59 分类：问答
Grid Item Not Visible When Margin Set to Display in Bottom Half Grid

I have a grid with an overlaying separator which I am using as a curs开发者_Python百科or for the grid.I am programmatically moving the separator on the grid by setting the margin to a percentage of th[详细]

2023-03-19 15:45 分类：问答
Binding AttachedProperty to object's property

I\'m trying to bind the Canvas.Left and Canvas.Top attached properties to my custom X and Y properties, with no success, I\'m using the following XAML.[详细]

2023-03-19 12:20 分类：问答
Controls Repositioning issue when using SharedSizeGroup in ItemsControl

I have two item controls that are sharing the width using SharedSizeGroup. Now the issue is whenever i am updating the text inside the textbox,say the setting the text in the second row to 999999999 &[详细]

2023-03-19 12:09 分类：问答