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Wpf combobox text not updating

wpf combobox text not updating-53

Text Block is not a control, per se, since it doesn't inherit from the Control class, but it's used much like any other control in the WPF framework, so we'll call it a control to keep things simple.

Objects can be added, removed or be updated with an automatic notification of actions.When an object is added to or removed from an observable collection, the UI is automatically updated.This happens because, when binding to an observable collection, WPF automatically adds a The Observable Collection is already bound to the Listview.On the other hand, if I am using a mouse and keyboard, and I give focus to the Text Box by clicking it with the mouse, the touch keyboard does not show, but rather I use the keyboard to enter my data. Although Microsoft has been shoving Windows Store apps down everyone’s throat, Windows Store apps are not a desktop solution, and in it’s current form, cannot replace certain desktop applications.This means, that if you are a desktop developer and want your WPF applications to work in this new mobile world, you need to make your WPF apps more touch accessible.With the release of Windows 8, the era of touch devices is in full swing.

Manufacturers are scrambling to create mobile devices that can run Microsoft Windows with the touch of a finger, without the need for a keyboard and mouse.

an image), while the Text Block works very well for multiline strings as well, but can only contain text (strings).

Both the Label and the Text Block offers their own unique advantages, so what you should use very much depends on the situation.

The problem is simple: By default WPF compares Selected Item to each item in the Items Source by reference, meaning that unless the Selected Item points to the same item in memory as the Items Source item, it will decide that the item doesn’t exist in the Items Source and so no item gets selected.

Among all of my controls , I have a several combo Boxes .

It allows you to put text on the screen, much like a Label control does, but in a simpler and less resource demanding way.