REG_COMPARISONTYPE
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4/8/2010
This enumeration defines how state property values should be compared to target values for conditional change notifications.
Syntax
typedef enum tagREG_COMPARISONTYPE {
REG_CT_ANYCHANGE,
REG_CT_EQUAL,
REG_CT_NOT_EQUAL,
REG_CT_GREATER,
REG_CT_GREATER_OR_EQUAL,
REG_CT_LESS,
REG_CT_LESS_OR_EQUAL,
REG_CT_CONTAINS,
REG_CT_STARTS_WITH,
REG_CT_ENDS_WITH
} REG_COMPARISONTYPE;
Elements
- REG_CT_ANYCHANGE
Notify on any change.
- REG_CT_EQUAL
Registry values are equal.
- REG_CT_NOT_EQUAL
Registry values are not equal.
- REG_CT_GREATER
Registry value is greater than the target value.
- REG_CT_GREATER_OR_EQUAL
Registry value is greater than or equal to the target value.
- REG_CT_LESS
Registry value is less than the target value.
- REG_CT_LESS_OR_EQUAL
Registry value is less than or equal to the target value.
- REG_CT_CONTAINS
State property value contains the target value string.
- REG_CT_STARTS_WITH
State property value starts with the target value string.
- REG_CT_ENDS_WITH
State property value ends with the target value string.
Remarks
Certain enumeration values are valid only for certain data types. The following table shows which enumeration values are valid for each registry value type.
| Enumeration value | REG_SZ | REG_DWORD |
|---|---|---|
REG_CT_ANYCHANGE |
Yes |
Yes |
REG_CT_EQUAL |
Yes |
Yes |
REG_CT_NOT_EQUAL |
Yes |
Yes |
REG_CT_GREATER |
Yes* |
Yes |
REG_CT_GREATER_OR_EQUAL |
Yes* |
Yes |
REG_CT_LESS |
Yes* |
Yes |
REG_CT_LESS_OR_EQUAL |
Yes* |
Yes |
REG_CT_CONTAINS |
Yes |
No |
REG_CT_STARTS_WITH |
Yes |
No |
REG_CT_ENDS_WITH |
Yes |
No |
* These comparisons are done according to the Win32 API CompareString function using LOCALE_SYSTEM_DEFAULT and NORM_IGNORECASE.
Requirements
| Header | regext.h |
| Windows Embedded CE | Windows Embedded CE 6.0 and later |
| Windows Mobile | Windows Mobile Version 5.0 and later |
See Also
Reference
State and Notifications Broker Reference
NOTIFICATIONCONDITION
RegistryNotifyApp
RegistryNotifyWindow
RegistryNotifyWindow