ExtensionCritical Property
Whether the extension is critical.
Syntax
clientcontrol.ExtensionCritical(ExtensionIndex)[=boolean]
Default Value
False
Remarks
Whether the extension is critical.
This setting specifies whether the recipient must understand the contents of the extension to interpret the entire message.
The ExtensionIndex parameter specifies the index of the item in the array. The size of the array is controlled by the ExtensionCount property.
This property is not available at design time.
Data Type
Boolean