bi formum var Form1

public: ref Form(...

yani yeni proje yaratılınca oluşan form bunu reference type olarak .net kendi tanımlıyor her neyse

bu formda bi buton var bu butona basınca bi cizgi cizsin istiyorum

Kod:
private: System::Void button7_Click(System::Object^ sender, System::EventArgs^ e)
ama burda şu hataları veriyor

Error 5 error C2352: 'System:rawing::Graphics:rawLine' : illegal call of non-static member function c:documents and settingsmustafaelgelerim isual studio 2005projectseuralmeural toy matrixeural toy matrixForm1.h 1306

Error 4 error C2582: 'operator =' function is unavailable in 'System:rawing::Pen' c:documents and settingsmustafaelgelerim isual studio 2005projectseuralmeural toy matrixeural toy matrixForm1.h 1305

Error 3 error C2750: 'System:rawing::Pen' : cannot use 'new' on the reference type; use 'gcnew' instead c:documents and settingsmustafaelgelerim isual studio 2005projectseuralmeural toy matrixeural toy matrixForm1.h 1305

Error 2 error C3699: '*' : cannot use this indirection on type 'System:rawing::Pen' c:documents and settingsmustafaelgelerim isual studio 2005projectseuralmeural toy matrixeural toy matrixForm1.h 1304

sorun nedir anlamadım?
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