When this IEditingCreateToolControl is being displayed in Template Properties dialog,
calling code will use this property to determine if the current Template Properties may be saved.
true, when the implementation ToolOptions are valid and ready to be be saved to the CIM false, implementation ToolOptions aren't ready to be saved to the CIM
Remarks
When IsValid returns false, the Template Properties dialog disables the "OK" button, to prevent user
from saving invalid template data.
Requirements
Target Platforms: Windows 10, Windows 8.1, Windows 7