RAIL_TASKBAR_MSG_TAB_REGISTER The window ID of the window that is being added to the taskbar tab group owned by 0x00000001 WindowIdTab. RAIL_TASKBAR_MSG_TAB_UNREGISTER Not used. The Body MUST still be present but SHOULD be set to zero. 0x00000002 RAIL_TASKBAR_MSG_TAB_ORDER The window ID that the tab owned by WindowIdTab SHOULD be placed 0x00000003 immediately before in its tab group. If this value is zero, the tab SHOULD be placed at the end of its tab group. RAIL_TASKBAR_MSG_TAB_ACTIVE The window ID corresponding to the tab that SHOULD be set active in the tab 0x00000004 owned by WindowIdTab. RAIL_TASKBAR_MSG_TAB_PROPERTIES The properties of the tab corresponding to WindowIdTab that are to be set. Valid 0x00000005 properties are described by the enumeration.
RAIL_TASKBAR_MSG_TAB_REGISTER 0x00000001 The window ID of the window that is being added to the taskbar tab group owned by WindowIdTab. RAIL_TASKBAR_MSG_TAB_UNREGISTER 0x00000002 Not used. The Body MUST still be present but SHOULD be set to zero. RAIL_TASKBAR_MSG_TAB_ORDER 0x00000003 The window ID that the tab owned by WindowIdTab SHOULD be placed immediately before in its tab group. If this value is zero, the tab SHOULD be placed at the end of its tab group. RAIL_TASKBAR_MSG_TAB_ACTIVE 0x00000004 The window ID corresponding to the tab that SHOULD be set active in the tab owned by WindowIdTab. RAIL_TASKBAR_MSG_TAB_PROPERTIES 0x00000005 The properties of the tab corresponding to WindowIdTab that are to be set. Valid properties are described by the enumeration.