PtVisible function (wingdi.h)

The PtVisible function determines whether the specified point is within the clipping region of a device context.

Syntax

BOOL PtVisible(
  [in] HDC hdc,
  [in] int x,
  [in] int y
);

Parameters

[in] hdc

A handle to the device context.

[in] x

The x-coordinate, in logical units, of the point.

[in] y

The y-coordinate, in logical units, of the point.

Return value

If the specified point is within the clipping region of the device context, the return value is TRUE(1).

If the specified point is not within the clipping region of the device context, the return value is FALSE(0).

If the HDC is not valid, the return value is (BOOL)-1.

Requirements

Requirement Value
Minimum supported client Windows 2000 Professional [desktop apps only]
Minimum supported server Windows 2000 Server [desktop apps only]
Target Platform Windows
Header wingdi.h (include Windows.h)
Library Gdi32.lib
DLL Gdi32.dll

See also

Clipping Functions

Clipping Overview

RectVisible