PropertyTagType Values
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4/8/2010
These values are used to identify the data type of an image's metadata associated with PropertyTag Values stored in a PropertyItem object.
The following table shows the data types for property tags.
| PropertyTagType Value | Description |
|---|---|
PropertyTagTypeASCII |
Specifies that the value data member is a null-terminated ASCII string. If you set the type data member of a PropertyItem object to PropertyTagTypeASCII, set the length data member to the length of the string including the NULL terminator. For example, the string HELLO would have a length of 6. |
PropertyTagTypeByte |
Specifies that the value data member is an array of bytes. |
PropertyTagTypeLong |
Specifies that the value data member is an array of unsigned long (32-bit) integers. |
PropertyTagTypeRational |
Specifies that the value data member is an array of pairs of unsigned long integers. Each pair represents a fraction. The first integer is the numerator; the second integer is the denominator. |
PropertyTagTypeShort |
Specifies that the value data member is an array of unsigned short (16-bit) integers. |
PropertyTagTypeSLONG |
Specifies that the value data member is an array of signed long (32-bit) integers. |
PropertyTagTypeSRational |
Specifies that the value data member is an array of pairs of signed long integers. Each pair represents a fraction. The first integer is the numerator; the second integer is the denominator. |
PropertyTagTypeUndefined |
Specifies that the value data member is an array of bytes that can hold values of any data type. |
Requirements
| Header | imaging.h |
| Windows Embedded CE | Windows CE 5.0 and later |
| Windows Mobile | Windows Mobile Version 5.0 and later |