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

See also

Clipping Functions

Clipping Overview

RectVisible