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 ([MS-RDPEGDI] section 3.1.1.1.1). This capability set is only sent from server to client.
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capabilitySetType |
lengthCapability |
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cacheVersion |
pad1 |
pad2 |
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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 ([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.