求教：C#调用c++DLL时，遇到了CPoint类

[EuegneChen]

#define HISDK_API      __declspec( dllimport)
#define HISDK_APICALL  __stdcall	/*用于Release静态库*/

	HISDK_API int HISDK_APICALL HI_SDK_SelectPic(long lHandle, CPoint point);
	HISDK_API int HISDK_APICALL HI_SDK_MouseMove(long lHandle, UINT nFlags, CPoint point, CRect rcRect);

//atltypes.h
class CPoint :
	public tagPOINT
{
public:
// Constructors

	// create an uninitialized point
	CPoint() throw();
	// create from two integers
	CPoint(
		_In_ int initX,
		_In_ int initY) throw();
	// create from another point
	CPoint(_In_ POINT initPt) throw();
	// create from a size
	CPoint(_In_ SIZE initSize) throw();
	// create from an LPARAM: x = LOWORD(dw) y = HIWORD(dw)
	CPoint(_In_ LPARAM dwPoint) throw();


// Operations

// translate the point
	void Offset(
		_In_ int xOffset,
		_In_ int yOffset) throw();
	void Offset(_In_ POINT point) throw();
	void Offset(_In_ SIZE size) throw();
	void SetPoint(
		_In_ int X,
		_In_ int Y) throw();

	BOOL operator==(_In_ POINT point) const throw();
	BOOL operator!=(_In_ POINT point) const throw();
	void operator+=(_In_ SIZE size) throw();
	void operator-=(_In_ SIZE size) throw();
	void operator+=(_In_ POINT point) throw();
	void operator-=(_In_ POINT point) throw();

// Operators returning CPoint values
	CPoint operator+(_In_ SIZE size) const throw();
	CPoint operator-(_In_ SIZE size) const throw();
	CPoint operator-() const throw();
	CPoint operator+(_In_ POINT point) const throw();

// Operators returning CSize values
	CSize operator-(_In_ POINT point) const throw();

// Operators returning CRect values
	CRect operator+(_In_ const RECT* lpRect) const throw();
	CRect operator-(_In_ const RECT* lpRect) const throw();
};

/////////////////////////////////////////////////////////////////////////////
// CRect - A 2-D rectangle, similar to Windows RECT structure.

class CRect :
	public tagRECT
{
// Constructors
public:
	// uninitialized rectangle
	CRect() throw();
	// from left, top, right, and bottom
	CRect(
		_In_ int l,
		_In_ int t,
		_In_ int r,
		_In_ int b) throw();
	// copy constructor
	CRect(_In_ const RECT& srcRect) throw();

	// from a pointer to another rect
	CRect(_In_ LPCRECT lpSrcRect) throw();
	// from a point and size
	CRect(
		_In_ POINT point,
		_In_ SIZE size) throw();
	// from two points
	CRect(
		_In_ POINT topLeft,
		_In_ POINT bottomRight) throw();

// Attributes (in addition to RECT members)

	// retrieves the width
	int Width() const throw();
	// returns the height
	int Height() const throw();
	// returns the size
	CSize Size() const throw();
	// reference to the top-left point
	CPoint& TopLeft() throw();
	// reference to the bottom-right point
	CPoint& BottomRight() throw();
	// const reference to the top-left point
	const CPoint& TopLeft() const throw();
	// const reference to the bottom-right point
	const CPoint& BottomRight() const throw();
	// the geometric center point of the rectangle
	CPoint CenterPoint() const throw();
	// swap the left and right
	void SwapLeftRight() throw();
	static void WINAPI SwapLeftRight(_Inout_ LPRECT lpRect) throw();

	// convert between CRect and LPRECT/LPCRECT (no need for &)
	operator LPRECT() throw();
	operator LPCRECT() const throw();

	// returns TRUE if rectangle has no area
	BOOL IsRectEmpty() const throw();
	// returns TRUE if rectangle is at (0,0) and has no area
	BOOL IsRectNull() const throw();
	// returns TRUE if point is within rectangle
	BOOL PtInRect(_In_ POINT point) const throw();

// Operations

	// set rectangle from left, top, right, and bottom
	void SetRect(
		_In_ int x1,
		_In_ int y1,
		_In_ int x2,
		_In_ int y2) throw();
	void SetRect(
		_In_ POINT topLeft,
		_In_ POINT bottomRight) throw();
	// empty the rectangle
	void SetRectEmpty() throw();
	// copy from another rectangle
	void CopyRect(_In_ LPCRECT lpSrcRect) throw();
	// TRUE if exactly the same as another rectangle
	BOOL EqualRect(_In_ LPCRECT lpRect) const throw();

	// Inflate rectangle's width and height by
	// x units to the left and right ends of the rectangle
	// and y units to the top and bottom.
	void InflateRect(
		_In_ int x,
		_In_ int y) throw();
	// Inflate rectangle's width and height by
	// size.cx units to the left and right ends of the rectangle
	// and size.cy units to the top and bottom.
	void InflateRect(_In_ SIZE size) throw();
	// Inflate rectangle's width and height by moving individual sides.
	// Left side is moved to the left, right side is moved to the right,
	// top is moved up and bottom is moved down.
	void InflateRect(_In_ LPCRECT lpRect) throw();
	void InflateRect(
		_In_ int l,
		_In_ int t,
		_In_ int r,
		_In_ int b) throw();

	// deflate the rectangle's width and height without
	// moving its top or left
	void DeflateRect(
		_In_ int x,
		_In_ int y) throw();
	void DeflateRect(_In_ SIZE size) throw();
	void DeflateRect(_In_ LPCRECT lpRect) throw();
	void DeflateRect(
		_In_ int l,
		_In_ int t,
		_In_ int r,
		_In_ int b) throw();

	// translate the rectangle by moving its top and left
	void OffsetRect(
		_In_ int x,
		_In_ int y) throw();
	void OffsetRect(_In_ SIZE size) throw();
	void OffsetRect(_In_ POINT point) throw();
	void NormalizeRect() throw();

	// absolute position of rectangle
	void MoveToY(_In_ int y) throw();
	void MoveToX(_In_ int x) throw();
	void MoveToXY(
		_In_ int x,
		_In_ int y) throw();
	void MoveToXY(_In_ POINT point) throw();

	// set this rectangle to intersection of two others
	BOOL IntersectRect(
		_In_ LPCRECT lpRect1,
		_In_ LPCRECT lpRect2) throw();

	// set this rectangle to bounding union of two others
	BOOL UnionRect(
		_In_ LPCRECT lpRect1,
		_In_ LPCRECT lpRect2) throw();

	// set this rectangle to minimum of two others
	BOOL SubtractRect(
		_In_ LPCRECT lpRectSrc1,
		_In_ LPCRECT lpRectSrc2) throw();

// Additional Operations
	void operator=(_In_ const RECT& srcRect) throw();
	BOOL operator==(_In_ const RECT& rect) const throw();
	BOOL operator!=(_In_ const RECT& rect) const throw();
	void operator+=(_In_ POINT point) throw();
	void operator+=(_In_ SIZE size) throw();
	void operator+=(_In_ LPCRECT lpRect) throw();
	void operator-=(_In_ POINT point) throw();
	void operator-=(_In_ SIZE size) throw();
	void operator-=(_In_ LPCRECT lpRect) throw();
	void operator&=(_In_ const RECT& rect) throw();
	void operator|=(_In_ const RECT& rect) throw();

// Operators returning CRect values
	CRect operator+(_In_ POINT point) const throw();
	CRect operator-(_In_ POINT point) const throw();
	CRect operator+(_In_ LPCRECT lpRect) const throw();
	CRect operator+(_In_ SIZE size) const throw();
	CRect operator-(_In_ SIZE size) const throw();
	CRect operator-(_In_ LPCRECT lpRect) const throw();
	CRect operator&(_In_ const RECT& rect2) const throw();
	CRect operator|(_In_ const RECT& rect2) const throw();
	CRect MulDiv(
		_In_ int nMultiplier,
		_In_ int nDivisor) const throw();
};

//windef.h 有tagPoint 和tagRect
//

有两个函数调用了VC里面的类CPoint、CRect
求指教 这个地方应该这么改 谢谢

[gh1223181184]

像使用函数一样先 声明一下

[Saleayas]

[StructLayout(Sequential)] struct CRect { Int32 left; Int32 top; Int32 right; Int32 bottom; } [StructLayout(Sequential)] struct CPoint { Int32 x; Int32 y; } [DllImport(...)] int HI_SDK_SelectPic(int lHandle, CPoint point); [DllImport(...)] int HI_SDK_MouseMove(int lHandle, UInt32 nFlags, CPoint point, CRect rcRect);