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wpf get control by name
In WPF, you can use the FindName
method to get a control by its name. This method is defined on the FrameworkElement
class, which is the base class for all WPF controls. Here’s an example of how you can use it:
csharpstring controlName = "myTextBox"; // Replace with the name of your control TextBox myTextBox = myWindow.FindName(controlName) as TextBox; if (myTextBox != null) { // Do something with myTextBox }
In this example, myWindow
is a reference to the window or container that contains the control you’re looking for. FindName
returns the named control as an object
, so you’ll need to cast it to the appropriate control type, such as TextBox
. If FindName
returns null
, it means that no control with the specified name was found.
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Wpf get xaml element by name
To get a XAML element by name in WPF, you can use the FindName
method on the parent element that contains the named element.
Here’s an example of how to use FindName
in C# code-behind:
csharp// Assuming "myElementName" is the name of the XAML element you want to find UIElement myElement = myParentElement.FindName("myElementName") as UIElement; if (myElement != null) { // Do something with the found element }
In the above code, myParentElement
is the parent element that contains the named element you’re looking for. You can replace “myElementName” with the actual name of the element you want to find.
If FindName
successfully finds the named element, it returns a reference to it as a UIElement
. If the named element is not found, FindName
returns null.
Note that FindName
only works on elements that have a name assigned to them in XAML using the x:Name
attribute.
Find element by name in WPF
In WPF, you can find an element by name using the FindName
method. This method is available on any instance of the FrameworkElement
class, which is the base class for all visual elements in WPF.
Here’s an example of how to use the FindName
method to locate an element by name:
csharp// Find a TextBox named "myTextBox" in the current window TextBox myTextBox = (TextBox)this.FindName("myTextBox");
In this example, this
refers to the current window or user control that contains the TextBox
element. If the element is not found, FindName
returns null.
Note that the FindName
method searches only the current element and its child elements. If you need to search the entire visual tree, you can use the VisualTreeHelper
class, which provides various methods for traversing the visual tree. Here’s an example of how to use VisualTreeHelper
to find an element by name:
csharp// Find a Button named "myButton" in the entire visual tree Button myButton = FindChild<Button>(Application.Current.MainWindow, "myButton"); private T FindChild<T>(DependencyObject parent, string childName) where T : DependencyObject { // Check if parent is null if (parent == null) return null; // Try to find the child in parent's immediate children T child = parent.FindName(childName) as T; if (child != null) return child; // Recursively search children int childCount = VisualTreeHelper.GetChildrenCount(parent); for (int i = 0; i < childCount; i++) { DependencyObject childObject = VisualTreeHelper.GetChild(parent, i); child = FindChild<T>(childObject, childName); if (child != null) return child; } // Child not found return null; }
In this example, the FindChild
method takes a DependencyObject
parent and a string childName, and recursively searches the parent’s child elements until it finds an element of type T
with the specified name. The method returns null if the element is not found.
You can see some more information related to wpf get control by name here
- How can I find WPF controls by name or type? – Stack Overflow
- Find Controls by Name in WPF – C# Corner
- How to: Find an Element by Its Name – WPF .NET Framework
- Find Controls by Name in WPF – C# Corner
- User Control in WPF – C# Corner
- WPF – Custom Controls – Tutorialspoint
- Controls – WPF .NET Framework – Microsoft Learn
- WPF Name Property: Get Controls – Dot Net Perls
- Find control by name in WPF VisualTree – gists · GitHub
- How to Find WPF Child Control by Name or Type? – Stopbyte
- How to access elements that are embedded inside the …
- C# – How to find a control by name or type in the VisualTree
- Defined Names | WPF Controls – DevExpress Documentation
- How do I get the propertyname of WPF control? – CodeProject
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