The MILCMD_CACHEDVISUALIMAGE_FREEZE packet instructs the composition engine not to stop updating contents of this cached visual image to reflect changes in the resources this cached visual image resource refers to.
messageSize (4 bytes): A 32-bit unsigned integer. The size of this message in bytes. The value of this field MUST be set to 0x0000000C.
controlCode (4 bytes): A 32-bit unsigned integer containing the control code for this message. The value of this field MUST be equal to 0x00000067.
targetResource (4 bytes): A 32-bit unsigned integer. The value of this field MUST be set to a valid resource handle referencing a resource of type TYPE_CACHEDVISUALIMAGE. This handle identifies the resource that is the target for this message.