protected bool BeginCapture(UIMouseEventHandler handler)
{
if (m_MouseEventReceiver != null || handler == null)
{
return(false);
}
m_MouseEventReceiver = handler;
return(true);
}
/// <summary>
/// <para>
/// Appends a frame representing an <see cref="UIMouseEventHandler"/>-valued attribute.
/// </para>
/// <para>
/// The attribute is associated with the most recently added element. If the value is <c>null</c> and the
/// current element is not a component, the frame will be omitted.
/// </para>
/// </summary>
/// <param name="builder">The <see cref="RenderTreeBuilder"/>.</param>
/// <param name="sequence">An integer that represents the position of the instruction in the source code.</param>
/// <param name="name">The name of the attribute.</param>
/// <param name="value">The value of the attribute.</param>
public static void AddAttribute(this RenderTreeBuilder builder, int sequence, string name, UIMouseEventHandler value)
{
if (builder == null)
{
throw new ArgumentNullException(nameof(builder));
}
builder.AddAttribute(sequence, name, (MulticastDelegate)value);
}
protected void EndCapture()
{
m_MouseEventReceiver = null;
}
