ScrollBarView_t::DrawScrollBar (Windows Embedded CE 6.0)

1/6/2010

This method draws a scroll bar.

Syntax

static void DrawScrollBar(
  HDC hdc,
  HWND hwnd,
  BOOL fVert,
  SCROLL_STATE State,
  UINT32 WindowState,
  UINT32 WindowStyle,
  ScrollBarInfoInternal* psbii
);

Parameters

• hdc
  [in] Handle to the device context for the window control.

• hwnd
  [in] Handle to the window control.

• fVert
  [in] Boolean that specifies whether the scroll bar is vertical or horizontal. TRUE specifies that the scroll bar is vertical. FALSE specifies that the scroll bar is horizontal.

• State
  [in] SCROLL_STATE value that indicates the state of the scroll bar. The following table shows the possible values.

  Value	Description
  SCROLL_DN_PRESS	Down arrow is pressed.
  SCROLL_NEXT_FREE	Method that draws the scroll bar is free to draw the next state.
  SCROLL_NO_PRESS	No arrow is pressed.
  SCROLL_PGDN_PRESS	Page down arrow is pressed.
  SCROLL_PGUP_PRESS	Page up arrow is pressed.
  SCROLL_SLIDE_PRESS	Slider is pressed.
  SCROLL_UNAVAIL	Scroll bar is unavailable.
  SCROLL_UP_PRESS	Up arrow is pressed.

• WindowState
  [in] Unsigned, 32-bit integer that indicates the state of the window. The following table shows the possible values.

  Value	Description
  WF_SBH_DISABLED	Draws a disabled horizontal scroll bar.
  WF_SBV_DISABLED	Draws a disabled vertical scroll bar.
  WF_WIN_IS_SB_CTL	The WindowStyle parameter controls whether the scroll bars are disabled.

• WindowStyle
  [in] Unsigned, 32-bit integer that indicates the style of the window. WS_DISABLED indicates that the window is disabled. Any other value indicates that the window is enabled.

• psbii
  [in] Pointer to a ScrollBarInfoInternal structure that specifies information about the scroll bar.

Requirements

See Also

Reference

ScrollBarView_t
SCROLL_STATE
ScrollBarInfoInternal