Search Results for "rgn" in gdi32

static extern int CombineRgn(IntPtr hrgnDest, IntPtr hrgnSrc1,

   IntPtr hrgnSrc2, int fnCombineMode);

Private Shared Function CombineRgn(ByVal hrgnDest As IntPtr,

   ByVal hrgnSrc1 As IntPtr, ByVal hrgnSrc2 As IntPtr,

public enum CombineRgnStyles:int

    RGN_AND         =1,

    RGN_OR          =2,

    RGN_XOR         =3,

    RGN_DIFF        =4,

    RGN_COPY        =5,

    RGN_MIN         =RGN_AND,

    RGN_MAX         =RGN_COPY

    public static extern IntPtr CreateEllipticRgn(int nLeftRect, int nTopRect,int nRightRect, int nBottomRect);

    static extern System.UInt16  SetWindowRgn(IntPtr hWnd, IntPtr hRgn, bool bRedraw);

    static extern int CombineRgn(IntPtr hrgnDest, IntPtr hrgnSrc1,IntPtr hrgnSrc2, int fnCombineMode);

            IntPtr r1 = CreateEllipticRgn(0,0,300,300);

            IntPtr r2 = CreateEllipticRgn(100,100,300,300);

            IntPtr r3= CreateEllipticRgn(100,100,300,300);

            CombineRgn(r3,r1,r2,0);

            SetWindowRgn(this.Handle,r3,true);

static extern IntPtr CreateEllipticRgn(int nLeftRect, int nTopRect,

Public Function CreateEllipticRgn(ByVal X1 As Integer, ByVal Y1 As Integer, ByVal X2 As Integer, ByVal Y2 As Integer) As Integer

static extern IntPtr CreatePolygonRgn(POINT [] lppt, int cPoints,

static extern IntPtr CreatePolygonRgn(Point[] lppt, int cPoints, int fnPolyFillMode);

    IntPtr forma = CreatePolygonRgn(edges, edges.Length, 1);

    int iRes = SetWindowRgn(this.Handle, forma, true);

static extern IntPtr CreatePolyPolygonRgn(POINT [] lppt, int [] lpPolyCounts,

static extern IntPtr CreateRectRgn(int nLeftRect, int nTopRect, int nRightRect, int nBottomRect);

Private Shared Function CreateRectRgn(ByVal nLeftRect As Integer, ByVal nTopRect As Integer, ByVal nRightRect As Integer, ByVal nBottomRect As Integer) As IntPtr

        static extern bool FillRgn(IntPtr hdc, IntPtr hrgn, IntPtr hbr);

        static extern IntPtr CreateRectRgn(int nLeftRect, int nTopRect, int nRightRect,

                FillRgn(wDc, CreateRectRgn(0,0,mx,my), brush);

static extern IntPtr CreateRoundRectRgn(int x1, int y1, int x2, int y2,

        IntPtr _RegionHandle = CreateRoundRectRgn( 10, 10, 60, 60, 10, 10 );

        Region _Region = Region.FromHrgn( _RegionHandle );

        static extern bool FillRgn(IntPtr hdc, IntPtr hrgn, IntPtr hbr);

        static extern IntPtr CreateRectRgn(int nLeftRect, int nTopRect, int nRightRect,

                FillRgn(wDc, CreateRectRgn(0,0,mx,my), brush);

static extern bool FillRgn(IntPtr hdc, IntPtr hrgn, IntPtr hbr);

        static extern bool FillRgn(IntPtr hdc, IntPtr hrgn, IntPtr hbr);

        static extern IntPtr CreateRectRgn(int nLeftRect, int nTopRect, int nRightRect,

                FillRgn(wDc, CreateRectRgn(0,0,mx,my), brush);

static extern int GetClipRgn(IntPtr hdc, IntPtr hrgn);

static extern int GetRegionData(IntPtr hRgn, uint dwCount, IntPtr lpRgnData);

RGNDATAHEADER

  unsafe RECT[] RectsFromRegion(IntPtr hRgn)

    int dataSize = GetRegionData(hRgn, 0, IntPtr.Zero);

      int retValue = GetRegionData(hRgn, dataSize, bytes);

      RGNDATAHEADER * header = (RGNDATAHEADER*)bytes;

static extern int OffsetRgn(IntPtr hrgn, int nXOffset, int nYOffset);

        Call OffsetRgn(hndRegion, xoff, yoff)

static extern bool RectInRegion(IntPtr hrgn, [In] ref RECT lprc);

static extern int SelectClipRgn(IntPtr hdc, IntPtr hrgn);

IntPtr hRegion = CreateRectRgn(left, top, right, bottom);

SelectClipRgn(hdc, hRegion); // region will be copied

SelectClipRgn(hdc, IntPtr.Zero); // reset clip region