2.2.2.6.3 Client System Command PDU (TS_RAIL_ORDER_SYSCOMMAND)
The Client System Command PDU packet is sent from the client to the server when a local RAIL window on the client receives a command to perform an action on the window, such as minimize or maximize. This command is forwarded to the server via the System Command PDU.
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Hdr (4 bytes): A TS_RAIL_PDU_HEADER header. The orderType field of the header MUST be set to TS_RAIL_ORDER_SYSCOMMAND (0x0004).
WindowId (4 bytes): An unsigned 32-bit integer. The ID of the window on the server to activate or deactivate.
Command (2 bytes): An unsigned 16-bit integer. Specifies the type of command. The field MUST be one of the following values.
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Value
Meaning
SC_SIZE
0xF000
Resize the window.
SC_MOVE
0xF010
Move the window.
SC_MINIMIZE
0xF020
Minimize the window.
SC_MAXIMIZE
0xF030
Maximize the window.
SC_CLOSE
0xF060
Close the window.
SC_KEYMENU
0xF100
The ALT + SPACE key combination was pressed; display the window's system menu.
SC_RESTORE
0xF120
Restore the window to its original shape and size.
SC_DEFAULT
0xF160
Perform the default action of the window's system menu.