IPropertyAction<T> Interface
Definition
Represents an action that gets or sets a property value.
public interface IPropertyAction<T>
Remarks
Property actions are used for selection-based properties like font family, font size, and colors. They provide both the current value and available values for UI controls like combo boxes.
Methods
| Name | Description |
|---|---|
| ClearValue | Clears the property value for the selection, reverting affected elements to their inherited or default value. |
| GetAvailableValues | Gets the available values for this property. |
| GetValue | Gets the current property value for the selection. |
| SetValue | Sets the property value for the selection. |
ClearValue Method
Clears the property value for the selection, reverting affected elements to their inherited or default value.
public void ClearValue(Avalonia.Controls.Documents.Primitives.ITextEditorHost host)
Parameters
host Avalonia.Controls.Documents.Primitives.ITextEditorHost
The editor host to modify.
GetAvailableValues Method
Gets the available values for this property.
public System.Collections.Generic.IEnumerable<T> GetAvailableValues()
Returns
System.Collections.Generic.IEnumerable<T>
An enumerable of available values for combo box population, or null if the values should be determined by the UI.
Remarks
For font family, this returns system fonts. For font size, this returns common sizes (8, 9, 10, 11, 12, 14, 16, etc.).
GetValue Method
Gets the current property value for the selection.
public T GetValue(Avalonia.Controls.Documents.Primitives.ITextEditorHost host)
Parameters
host Avalonia.Controls.Documents.Primitives.ITextEditorHost
The editor host to query.
Returns
T
The property value if consistent across the selection; otherwise, the default value or null for mixed values.
SetValue Method
Sets the property value for the selection.
public void SetValue(Avalonia.Controls.Documents.Primitives.ITextEditorHost host, T value)
Parameters
host Avalonia.Controls.Documents.Primitives.ITextEditorHost
The editor host to modify.
value T
The value to apply.