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INameSpaceTreeControlCustomDraw::ItemPrePaint method (shobjidl.h)

  • Άρθρο

Called before an item in the namespace tree control is drawn.

Syntax

HRESULT ItemPrePaint(
  [in]      HDC            hdc,
  [in]      RECT           *prc,
  [in]      NSTCCUSTOMDRAW *pnstccdItem,
  [in, out] COLORREF       *pclrText,
  [in, out] COLORREF       *pclrTextBk,
  [out]     LRESULT        *plres
);

Parameters

[in] hdc

Type: HDC

A handle to the control's device context. Use this HDC to perform any GDI functions.

[in] prc

Type: RECT*

A pointer to the RECT structure that describes the bounding rectangle of the area being drawn.

[in] pnstccdItem

Type: NSTCCUSTOMDRAW*

A pointer to the NSTCCUSTOMDRAW structure that determines the details of the drawing.

[in, out] pclrText

Type: COLORREF*

On entry, a pointer to a COLORREF structure that declares the default color of the text. When this method returns, contains a pointer to a COLORREF structure that declares the color that should be used in its place, if any. This allows the client to provide their own color if they do not want to use the default.

[in, out] pclrTextBk

Type: COLORREF*

On entry, a pointer to a COLORREF structure that declares the default color of the background. When this method returns, contains a pointer to a COLORREF structure that declares the color that should be used in its place, if any. This allows the client to provide their own color if they do not want to use the default.

[out] plres

Type: LRESULT*

When this method returns, contains a pointer to an LRESULT, which points to one or more of the values from the CDRF Constants enumeration.

Return value

Type: HRESULT

If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.

Requirements

Requirement Value
Minimum supported client Windows Vista [desktop apps only]
Minimum supported server Windows Server 2008 [desktop apps only]
Target Platform Windows
Header shobjidl.h

See also

INameSpaceTreeControlCustomDraw