Man ba C++‎.Net 2005 kar mikonam.
man mikhaham az tabe GETDC() dar "Windows Forms Application" estefadeh konam.
vali nemitavanam va khataye zir ettefagh meoftad.
Error:
Error 2 error LNK2028: unresolved token (0A00000E) "extern "C" struct HDC__ * __stdcall GetDC(struct HWND__ *)" (?GetDC@@$$J14YGPAUHDC__@@PAUHWND__@@@Z) referenced in function "private: void __clrcall My1::Form1::button1_Click(class System::Object ^,class System::EventArgs ^)" (?button1_Click@Form1@My1@@$$FA$AAMXP$AAVObject@Sy stem@@P$AAVEventArgs@4@@Z) 1.obj

Lotfan mara rahnemaiee konid
dar zemn ba tabe mannd GETDC() ham hamin moshkel ra daram.
dar soorat emkan yek mesal baraye man befrestid.
Thank You.