IAnnotationModelToolTipTemplate - свойство

[CanBeNullAttribute]
string ToolTipTemplate { get; set; }

<CanBeNullAttribute>
Property ToolTipTemplate As String
	Get
	Set

[CanBeNullAttribute]
property String^ ToolTipTemplate {
	String^ get ();
	void set (String^ value);
}

[<CanBeNullAttribute>]
abstract ToolTipTemplate : string with get, set

annotation.ShowToolTip = true;
annotation.ToolTipTemplate = dataTemplate;

<syncfusion:SfChart.Annotations>
    <syncfusion:Annotation ShowToolTip="true" ToolTipTemplate="{StaticResource toolTipTemplate}">
</syncfusion:SfChart.Annotations>