Class PaletteSelectionChangedEventArgs

Notifies when the selection objects change in the symbol palette.

Inheritance

System.Object

PaletteSelectionChangedEventArgs

Namespace: Syncfusion.Blazor.Diagram.SymbolPalette

Assembly: Syncfusion.Blazor.dll

Syntax

public class PaletteSelectionChangedEventArgs : Object

Remarks

Triggered when users select or deselect symbols, providing access to previous and current selection states.

Examples

<SfSymbolPaletteComponent Palettes="@Palettes" SelectionChanged="PaletteSelectionChange">
</SfSymbolPaletteComponent>

private void PaletteSelectionChange(PaletteSelectionChangedEventArgs args)
{
    string oldID = args.OldValue;
    string newID = args.NewValue;
}

Constructors

PaletteSelectionChangedEventArgs()

Declaration

public PaletteSelectionChangedEventArgs()

Properties

NewValue

Gets the ID of the currently selected palette item.

Declaration

public string NewValue { get; }

Property Value

Type	Description
System.String	A string representing the ID of the newly selected item, or null if no item is currently selected.

Examples

<SfSymbolPaletteComponent Palettes="@Palettes" SelectionChanged="PaletteSelectionChange">
</SfSymbolPaletteComponent>

private void PaletteSelectionChange(PaletteSelectionChangedEventArgs args)
{
    string newID = args.NewValue;
    if (!string.IsNullOrEmpty(newID))
    {
        // Handle new selection
    }
}

OldValue

Gets the ID of the previously selected palette item.

Declaration

public string OldValue { get; }

Property Value

Type	Description
System.String	A string representing the ID of the old selected item, or null if no item was previously selected.

Examples

<SfSymbolPaletteComponent Palettes="@Palettes" SelectionChanged="PaletteSelectionChange">
</SfSymbolPaletteComponent>

private void PaletteSelectionChange(PaletteSelectionChangedEventArgs args)
{
    string oldID = args.OldValue;
    if (!string.IsNullOrEmpty(oldID))
    {
        // Handle previous selection
    }
}