Region.Intersect(const Rect) method

Artikel
03/07/2012

Applies to: desktop apps only

The Region::Intersect method updates this region to the portion of itself that intersects the specified rectangle's interior.

Syntax

Status Intersect(
  [in, ref]  const Rect &rect
);

Parameters

rect [in, ref]
Type: const Rect

Reference to a rectangle to use to update this region.

Return value

Type:

Type: Status****

If the method succeeds, it returns Ok, which is an element of the Status enumeration.

If the method fails, it returns one of the other elements of the Status enumeration.

Examples

The following example creates a region from a path and then uses a rectangle to update the region.

VOID Example_IntersectRect(HDC hdc)
{
   Graphics graphics(hdc);

   Point points[] = {
      Point(110, 20),
      Point(120, 30),
      Point(100, 60),
      Point(120, 70),
      Point(150, 60),
      Point(140, 10)};

   Rect rect(65, 15, 70, 45);
   GraphicsPath path;
   SolidBrush solidBrush(Color(255, 255, 0, 0));

   path.AddClosedCurve(points, 6);

   // Create a region from a path.
    Region pathRegion(&path);   
    
   // Update the region to the portion that intersects with the rectangle.
   pathRegion.Intersect(rect);

   graphics.FillRegion(&solidBrush, &pathRegion);
}

Requirements

Minimum supported client	Windows XP, Windows 2000 Professional
Minimum supported server	Windows 2000 Server
Product	GDI+ 1.0
Header	Gdiplusheaders.h (include Gdiplus.h)
Library	Gdiplus.lib
DLL	Gdiplus.dll