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NonClientView_t::DoHitTest (Windows Embedded CE 6.0)

  • Artículo

1/6/2010

This method determines whether a hit occurred in the nonclient area and the location of the hit.

Syntax

static NcHitTestCode DoHitTest(
  HWND hwnd,
  POINT pt,
  UINT32 WindowState,
  bool bTopLevelWindow
);

Parameters

  • hwnd
    [in] Handle to the window.
  • pt
    [in] POINT structure that receives the coordinates of the point where the hit occurred.

  • WindowState
    [in] Unsigned 32-bit integer that specifies the state of the nonclient area. The following table shows the possible values.

    Value Description

    WF_NC_DISABLE_CLOSE

    The Close (X) button for the window is disabled.

    WF_NC_SBH_PRESENT

    The window contains a horizontal scroll bar.

    WF_NC_SBV_PRESENT

    The window contains a vertical scroll bar.

    WF_SBH_DISABLED

    The horizontal scroll bar for the window appears dimmed.

    WF_SBV_DISABLED

    The vertical scroll bar for the window appears dimmed.
  • bTopLevelWindow
    [in] Boolean that specifies whether the window is a top-level window. TURE indicates that the window is a top-level window. FALSE indicates that the window is not a top-level window.

Return Value

The return value is a value of type NcHitTestCode that identifies the location of a hit relative to controls or other parts of the nonclient area of a window. The following table describes the possible values of type NcHitTestCode and the locations to which those values correspond.

Value Location

HTBORDER

In the border of a window that does not have a sizing border.

HTBOTTOM

In the bottom border of a window.

HTBOTTOMLEFT

In the lower-left corner of a window border.

HTBOTTOMRIGHT

In the lower-right corner of a window border.

HTCAPTION

In a title bar.

HTCLIENT

In a client area.

HTCLOSE

In a Close (X) button.

HTGROWBOX

In a size box.

HTHELP

In a Help button.

HTHSCROLL

In a horizontal scroll bar.

HTLEFT

In the left border of a window.

HTMAXBUTTON

In a Maximize button.

HTMINBUTTON

In a Minimize button.

HTNOWHERE

On the screen background or on a dividing line between windows.

HTOKBUTTON

In an OK button.

HTRIGHT

In the right border of a window.

HTTOP

In the top border of a window.

HTTOPLEFT

In the upper-left corner of a window border.

HTTOPRIGHT

In the upper-right corner of a window border.

HTVSCROLL

In a vertical scroll bar.

Requirements

Header nclientview.hpp
Windows Embedded CE Windows CE .NET 4.0 and later

See Also

Reference

NonClientView_t
NcHitTestCode
POINT