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delphi7 编译时出错

[提示] HardInfo.pas(429): Variable 'rc' is declared but never used in 'GetScsisn'
[错误] SHA1.pas(41): Method 'GetId' not found in base class
[错误] SHA1.pas(42): Method 'GetAlgorithm' not found in base class
[错误] SHA1.pas(43): Method 'GetHashSize' not found in base class
[错误] SHA1.pas(44): Method 'SelfTest' not found in base class
````中间警告部分就不发了````

[错误] SHA1.pas(192): Undeclared identifier: 'CompareMemory'
[警告] SHA1.pas(204): Constant expression violates subrange bounds
[警告] SHA1.pas(205): Constant expression violates subrange bounds
[警告] SHA1.pas(207): Constant expression violates subrange bounds
[错误] SHA1.pas(225): Undeclared identifier: 'EDCP_hash'
[错误] SHA1.pas(225): Incompatible types: 'TComponent' and 'String'
[错误] SHA1.pas(262): Undeclared identifier: 'EDCP_hash'
[错误] SHA1.pas(262): Incompatible types: 'TComponent' and 'String'
[错误] SHA1.pas(281): Undeclared identifier: 'DCPreghash'
[致命错误] SystemManage.pas(5): Could not compile used unit 'SHA1.pas'


请问是什么原因``该怎么解决!
补充:大哥   看标题啊   DELPHI    怎么变 VC了??
		
答案:
(429): Variable 'rc' is declared but never used in 'GetScsisn'
变量rc在GetScsisn中定义了但没使用
(41): Method 'GetId' not found in base class
使用未定义变量或过程或函数GetID
(42)(43)(44)错误同上其它错误也大致差不多
(225): Incompatible types: 'TComponent' and 'String'
类型不匹配
(5): Could not compile used unit 'SHA1.pas'
不能编译SHA1.pas
看样子应该是找来的别人一个程序吧。希望能对你有帮助。

可能很多人在安装VC 6.0后有过点击“Compile”或者“Build”后被出现的 
“Compiling... ,Error spawning cl.exe”错误提示给郁闷过。很多人的
选择是重装,实际上这个问题很多情况下是由于路径设置的问题引起的,
“CL.exe”是VC使用真正的编译器(编译程序),其路径在“VC根目录\VC98\Bin”下面,
你可以到相应的路径下找到这个应用程序。

因此问题可以按照以下方法解决:打开vc界面 点击VC“TOOLS(工具)”—>“Option(选择)”
—>“Directories(目录)”重新设置“Excutable Fils、Include Files、
Library Files、Source Files”的路径。很多情况可能就一个盘符的不同
(例如你的VC装在C,但是这些路径全部在D),改过来就OK了。


如果你是按照初始路径安装vc6.0的,路径应为:
executatble files:
C:\Program Files\Microsoft Visual Studio\Common\MSDev98\Bin
C:\Program Files\Microsoft Visual Studio\VC98\BIN
C:\Program Files\Microsoft Visual Studio\Common\TOOLS
C:\Program Files\Microsoft Visual Studio\Common\TOOLS\WINNT

include files:
C:\Program Files\Microsoft Visual Studio\VC98\INCLUDE
C:\Program Files\Microsoft Visual Studio\VC98\MFC\INCLUDE
C:\Program Files\Microsoft Visual Studio\VC98\ATL\INCLUDE

library files:
C:\Program Files\Microsoft Visual Studio\VC98\LIB
C:\Program Files\Microsoft Visual Studio\VC98\MFC\LIB

source files:
C:\Program Files\Microsoft Visual Studio\VC98\MFC\SRC
C:\Program Files\Microsoft Visual Studio\VC98\MFC\INCLUDE
C:\Program Files\Microsoft Visual Studio\VC98\ATL\INCLUDE
C:\Program Files\Microsoft Visual Studio\VC98\CRT\SRC

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