<summary> Returns the total number of custom properties in this interface. </summary>
<summary> Retrieves the property index for the given property name. </summary>
<summary> Retrieves the property name from the given property index. </summary>
<summary> Returns the length of the property name from the given index. </summary>
<summary> Retrieves the sub-properties of the given property by index. </summary>
<summary> Retrieves the type of the given property. </summary>
<summary> Retrieves the given value by index. </summary>
<summary> Retrieves the given property or sub-property by name. '.' is the delimiter for sub-properties. </summary>
<summary> Returns the value size for the given property index. </summary>
<summary> Sets the given value using the property index. </summary>
<summary> Sets the value of the given property using its name. </summary>
<summary> Represents a set of run-time bindable and discoverable properties that allow a data-driven application to modify the state of a Direct2D effect. </summary>