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2.2.7.2.1 Bitmap Cache Host Support Capability Set (TS_BITMAPCACHE_HOSTSUPPORT_CAPABILITYSET)

The TS_BITMAPCACHE_HOSTSUPPORT_CAPABILITYSET structure is used to advertise support for persistent bitmap caching (see [MS-RDPEGDI] section 3.1.1.1.1). This capability set is only sent from server to client.


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capabilitySetType

lengthCapability

cacheVersion

pad1

pad2

capabilitySetType (2 bytes): A 16-bit, unsigned integer. The type of the capability set. This field MUST be set to CAPSTYPE_BITMAPCACHE_HOSTSUPPORT (18).

 

lengthCapability (2 bytes): A 16-bit, unsigned integer. The length in bytes of the capability data, including the size of the capabilitySetType and lengthCapability fields.

cacheVersion (1 byte): An 8-bit, unsigned integer. Cache version. This field MUST be set to TS_BITMAPCACHE_REV2 (0x01), which indicates support for the Revision 2 bitmap caches (see [MS-RDPEGDI] section 3.1.1.1.1).

 

pad1 (1 byte): An 8-bit, unsigned integer. Padding. Values in this field MUST be ignored.

pad2 (2 bytes): A 16-bit, unsigned integer. Padding. Values in this field MUST be ignored.

 
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