pointers..?

is there a better way for me to initialize retPoint in the code below? My original code did not have two point structs but it crashed do to a null refreance when it ran. Why?

Code:

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                void CursorPos(System::Drawing::Point *lpPoint){
                        POINT iPoint;
                        LPPOINT retPoint = &iPoint;
                        GetCursorPos(retPoint);
                        lpPoint->X=retPoint->x;
                        lpPoint->Y=retPoint->y;
                }

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Quote:

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Originally posted by Magiaus
is there a better way for me to initialize retPoint in the code below? My original code did not have two point structs but it crashed do to a null refreance when it ran. Why?

Code:

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                void CursorPos(System::Drawing::Point *lpPoint){
                        POINT iPoint;
                        GetCursorPos(&iPoint);
                        lpPoint->X = iPoint->x;
                        lpPoint->Y = iPoint->y;
                }

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See the changes. retPoint is only a pointer anyway, not a full struct, and you don't need it.

I should have thought of that....

thanks

And the last two lines are invalid too (now that lpPoint is gone) and should be removed.

I get what you mean bu the last two are still right because i am superclassing the GetCursorPos API for use in vb.net or C# and it passes the equiv type out I am going to chang it to a return though i think