CreateRoundRectRgn.md

Home

Function name : CreateRoundRectRgn

Group: Region - Library: gdi32

---

Creates a rectangular region with rounded corners.

---

Code examples:

Setting the Window Region for a form

Declaration:

HRGN CreateRoundRectRgn(
  int nLeftRect,      // x-coordinate of upper-left corner
  int nTopRect,       // y-coordinate of upper-left corner
  int nRightRect,     // x-coordinate of lower-right corner
  int nBottomRect,    // y-coordinate of lower-right corner
  int nWidthEllipse,  // height of ellipse
  int nHeightEllipse  // width of ellipse
);  

---

FoxPro declaration:

DECLARE INTEGER CreateRoundRectRgn IN gdi32;
	INTEGER nLeftRect,;
	INTEGER nTopRect,;
	INTEGER nRightRect,;
	INTEGER nBottomRect,;
	INTEGER nWidthEllipse,;
	INTEGER nHeightEllipse  

---

Parameters:

nLeftRect [in] Specifies the x-coordinate of the upper-left corner of the region in device units.

nTopRect [in] Specifies the y-coordinate of the upper-left corner of the region in device units.

nRightRect [in] Specifies the x-coordinate of the lower-right corner of the region in device units.

nBottomRect [in] Specifies the y-coordinate of the lower-right corner of the region in device units.

nWidthEllipse [in] Specifies the width of the ellipse used to create the rounded corners in device units.

nHeightEllipse [in] Specifies the height of the ellipse used to create the rounded corners in device units.

---

Return value:

If the function succeeds, the return value is the handle to the region.

---