麻煩大大幫我 :    原碼:    //--------------------------------------------------------------------    #include  #pragma hdrstop #include "Unit1.h" //-------------------------------------------------------------------- #pragma package(smart_init) #pragma resource "*.dfm" TForm1 *Form1; //-------------------------------------------------------------------- __fastcall TForm1::TForm1(TComponent* Owner) : TForm(Owner) { } //-------------------------------------------------------------------- void __fastcall TForm1::GetCurSor1Click(TObject *Sender) { GetCursorPos(&P); } //-------------------------------------------------------------------- 他的.h檔 : //-------------------------------------------------------------------- #ifndef Unit1H #define Unit1H //-------------------------------------------------------------------- #include #include #include #include <Forms.hpp> #include //-------------------------------------------------------------------- class TForm1 : public TForm { __published: // IDE-managed Components TMainMenu *MainMenu1; TMenuItem *CURSOR1; TMenuItem *GetCurSor1; void __fastcall GetCurSor1Click(TObject *Sender); private: // User declarations public: // User declarations struct pt { int x,y; }P; __fastcall TForm1(TComponent* Owner); }; //-------------------------------------------------------------------- extern PACKAGE TForm1 *Form1; //-------------------------------------------------------------------- #endif 顯示錯誤為 : [C Error] Unit1.cpp(20): E2034 Cannot convert 'TForm1::pt *' to 'tagPOINT *' [C Error] Unit1.cpp(20): E2342 Type mismatch in parameter 'lpPoint' (wanted 'tagPOINT *', got 'TForm1::pt *') 請問這是怎麼一回是阿?? 我試好久.我的觀念是正確滴呀>.<"

Hi raintree777:    GetCursorPos的函式原型如下，    

extern PACKAGE void __fastcall GetCursorPos(Types::TPoint &P);

傳入的是一個TPoint的struct 但你傳入的是自定的struct pt 所以才會出現Error

struct pt
{
  int x,y;
}P;

改成

TPoint P;

就可以了。 如果你是要自定struct pt的話， 就不能用GetCursorPos這個Func， 要使用你自己寫的Func再傳入struct pt. ^____^ -------------------------- ～天下本無事 庸人自擾之～

又學了一課了^^..謝謝哩~~ ((原來學習中的幫助也是有喜悅帶點小成就感=.="))