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This section contains information about the programming elements used with pager controls.

Overviews

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Pager Controls A pager control is a window container that is used with a window that does not have enough display area to show all of its content.

Macros

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Pager_ForwardMouse Enables or disables mouse forwarding for the pager control. When mouse forwarding is enabled, the pager control forwards WM_MOUSEMOVE messages to the contained window. You can use this macro or send the PGM_FORWARDMOUSE message explicitly.
Pager_GetBkColor Retrieves the current background color for the pager control. You can use this macro or send the PGM_GETBKCOLOR message explicitly.
Pager_GetBorder Retrieves the current border size for the pager control. You can use this macro or send the PGM_GETBORDER message explicitly.
Pager_GetButtonSize Retrieves the current button size for the pager control. You can use this macro or send the PGM_GETBUTTONSIZE message explicitly.
Pager_GetButtonState Retrieves the state of the specified button in a pager control. You can use this macro or send the PGM_GETBUTTONSTATE message explicitly.
Pager_GetDropTarget Retrieves a pager control's IDropTarget interface pointer. You can use this macro or send the PGM_GETDROPTARGET message explicitly.
Pager_GetPos Retrieves the current scroll position of the pager control. You can use this macro or send the PGM_GETPOS message explicitly.
Pager_RecalcSize Forces the pager control to recalculate the size of the contained window. Using this macro will result in a PGN_CALCSIZE notification being sent. You can use this macro or send the PGM_RECALCSIZE message explicitly.
Pager_SetBkColor Sets the current background color for the pager control. You can use this macro or send the PGM_SETBKCOLOR message explicitly.
Pager_SetBorder Sets the current border size for the pager control. You can use this macro or send the PGM_SETBORDER message explicitly.
Pager_SetButtonSize Sets the current button size for the pager control. You can use this macro or send the PGM_SETBUTTONSIZE message explicitly.
Pager_SetChild Sets the contained window for the pager control. This macro will not change the parent of the contained window; it only assigns a window handle to the pager control for scrolling. In most cases, the contained window will be a child window. If this is the case, the contained window should be a child of the pager control. You can use this macro or send the PGM_SETCHILD message explicitly.
Pager_SetPos Sets the scroll position for the pager control. You can use this macro or send the PGM_SETPOS message explicitly.
Pager_SetScrollInfo Intended for internal use; not recommended for use in applications.
Sets the scrolling parameters of the pager control, including the timeout value, the lines per timeout, and the pixels per line. You can use this macro or send the PGM_SETSETSCROLLINFO message explicitly.

Messages

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PGM_FORWARDMOUSE Enables or disables mouse forwarding for the pager control. When mouse forwarding is enabled, the pager control forwards WM_MOUSEMOVE messages to the contained window. You can send this message explicitly or use the Pager_ForwardMouse macro.
PGM_GETBKCOLOR Retrieves the current background color for the pager control. You can send this message explicitly or use the Pager_GetBkColor macro.
PGM_GETBORDER Retrieves the current border size for the pager control. You can send this message explicitly or use the Pager_GetBorder macro.
PGM_GETBUTTONSIZE Retrieves the current button size for the pager control. You can send this message explicitly or use the Pager_GetButtonSize macro.
PGM_GETBUTTONSTATE Retrieves the state of the specified button in a pager control. You can send this message explicitly or use the Pager_GetButtonState macro.
PGM_GETDROPTARGET Retrieves a pager control's IDropTarget interface pointer. You can send this message explicitly or use the Pager_GetDropTarget macro.
PGM_GETPOS Retrieves the current scroll position of the pager control. You can send this message explicitly or use the Pager_GetPos macro.
PGM_RECALCSIZE Forces the pager control to recalculate the size of the contained window. Sending this message will result in a PGN_CALCSIZE notification being sent. You can send this message explicitly or use the Pager_RecalcSize macro.
PGM_SETBKCOLOR Sets the current background color for the pager control. You can send this message explicitly or use the Pager_SetBkColor macro.
PGM_SETBORDER Sets the current border size for the pager control. You can send this message explicitly or use the Pager_SetBorder macro.
PGM_SETBUTTONSIZE Sets the current button size for the pager control. You can send this message explicitly or use the Pager_SetButtonSize macro.
PGM_SETCHILD Sets the contained window for the pager control. This message will not change the parent of the contained window; it only assigns a window handle to the pager control for scrolling. In most cases, the contained window will be a child window. If this is the case, the contained window should be a child of the pager control. You can send this message explicitly or use the Pager_SetChild macro.
PGM_SETPOS Sets the current scroll position for the pager control. You can send this message explicitly or use the Pager_SetPos macro.
PGM_SETSETSCROLLINFO Intended for internal use; not recommended for use in applications.
Sets the scrolling parameters of the pager control, including the timeout value, the lines per timeout, and the pixels per line. You can send this message explicitly or by using the Pager_SetScrollInfo macro.

Notifications

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NM_RELEASEDCAPTURE (pager) Notifies a pager control's parent window that the control has released the mouse capture. NM_RELEASEDCAPTURE is sent in the form of a WM_NOTIFY message.
PGN_CALCSIZE Notification sent by a pager control to obtain the scrollable dimensions of the contained window. These dimensions are used by the pager control to determine the scrollable size of the contained window. This notification is sent in the form of a WM_NOTIFY message.
PGN_HOTITEMCHANGE Sent by a pager control when the hot (highlighted) item changes.
PGN_SCROLL Notification sent by a pager control prior to the contained window being scrolled. This notification is sent in the form of a WM_NOTIFY message.

Structures

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NMPGCALCSIZE Contains and receives information that the pager control uses to calculate the scrollable area of the contained window. It is used with the PGN_CALCSIZE notification.
NMPGHOTITEM Contains information used with the PGN_HOTITEMCHANGE notification.
NMPGSCROLL Contains and receives information that the pager control uses when scrolling the contained window. It is used with the PGN_SCROLL notification.

Constants

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Pager Control Styles This section lists the window styles used when creating pager controls.