API与C#的数据类型对应关系表 |
API数据类型 |
类型描述 |
C#类型 |
API数据类型 |
类型描述 |
C#类型 |
WORD |
16位无符号整数 |
ushort |
CHAR |
字符 |
char |
LONG |
32位无符号整数 |
int |
DWORDLONG |
64位长整数 |
long |
DWORD |
32位无符号整数 |
uint |
HDC |
设备描述表句柄 |
int |
HANDLE |
句柄,32位整数 |
int |
HGDIOBJ |
GDI对象句柄 |
int |
UINT |
32位无符号整数 |
uint |
HINSTANCE |
实例句柄 |
int |
BOOL |
32位布尔型整数 |
bool |
HWM |
窗口句柄 |
int |
LPSTR |
指向字符的32位指针 |
string |
HPARAM |
32位消息参数 |
int |
LPCSTR |
指向常字符的32位指针 |
String |
LPARAM |
32位消息参数 |
int |
BYTE |
字节 |
byte |
WPARAM |
32位消息参数 |
int |
C# 数据类型
简单类型 |
描 述 |
示 例 |
sbyte |
8-bit 有符号整数 |
sbyte val = 12; |
short |
16-bit 有符号整数 |
short val = 12; |
int |
32-bit有符号整数 |
int val = 12; |
long |
64-bit有符号整数 |
long val1 = 12; long val2 = 34L; |
byte |
8-bit无符号整数 |
byte val1 = 12; byte val2 = 34U; |
ushort |
16-bit 无符号整数 |
ushort val1 = 12; ushort val2 = 34U; |
uint |
32-bit 无符号整数 |
uint val1 = 12; uint val2 = 34U; |
ulong |
64-bit 无符号整数 |
ulong val1 = 12; ulong val2 = 34U; ulong val3 = 56L; ulong val4 = 78UL; |
float |
32-bit单精度浮点数 |
float val = 1.23F; |
double |
64-bit双精度浮点数 |
double val1 = 1.23; double val2 = 4.56D; |
l |
布尔类型 |
bool val1 = true; bool val2 = false; |
char |
字符类型 ,Unicode编码 |
char val = 'h'; |
decimal |
28个有效数字的128-bit十进制类型 |
decimal val = 1.23M; |
BOOL=System.Int32 BOOLEAN=System.Int32 BYTE=System.UInt16 CHAR=System.Int16 COLORREF=System.UInt32 DWORD=System.UInt32 DWORD32=System.UInt32 DWORD64=System.UInt64 FLOAT=System.Float HACCEL=System.IntPtr HANDLE=System.IntPtr HBITMAP=System.IntPtr HBRUSH=System.IntPtr HCONV=System.IntPtr HCONVLIST=System.IntPtr HCURSOR=System.IntPtr HDC=System.IntPtr HDDEDATA=System.IntPtr HDESK=System.IntPtr HDROP=System.IntPtr HDWP=System.IntPtr HENHMETAFILE=System.IntPtr HFILE=System.IntPtr HFONT=System.IntPtr HGDIOBJ=System.IntPtr HGLOBAL=System.IntPtr HHOOK=System.IntPtr HICON=System.IntPtr HIMAGELIST=System.IntPtr HIMC=System.IntPtr HINSTANCE=System.IntPtr HKEY=System.IntPtr HLOCAL=System.IntPtr HMENU=System.IntPtr HMETAFILE=System.IntPtr HMODULE=System.IntPtr HMONITOR=System.IntPtr HPALETTE=System.IntPtr HPEN=System.IntPtr HRGN=System.IntPtr HRSRC=System.IntPtr HSZ=System.IntPtr HWINSTA=System.IntPtr HWND=System.IntPtr INT=System.Int32 INT32=System.Int32 INT64=System.Int64 LONG=System.Int32 LONG32=System.Int32 LONG64=System.Int64 LONGLONG=System.Int64 LPARAM=System.IntPtr LPBOOL=System.Int16[] LPBYTE=System.UInt16[] LPCOLORREF=System.UInt32[] LPCSTR=System.String LPCTSTR=System.String LPCVOID=System.UInt32 LPCWSTR=System.String LPDWORD=System.UInt32[] LPHANDLE=System.UInt32 LPINT=System.Int32[] LPLONG=System.Int32[] LPSTR=System.String LPTSTR=System.String LPVOID=System.UInt32 LPWORD=System.Int32[] LPWSTR=System.String LRESULT=System.IntPtr PBOOL=System.Int16[] PBOOLEAN=System.Int16[] PBYTE=System.UInt16[] PCHAR=System.Char[] PCSTR=System.String PCTSTR=System.String PCWCH=System.UInt32 PCWSTR=System.UInt32 PDWORD=System.Int32[] PFLOAT=System.Float[] PHANDLE=System.UInt32 PHKEY=System.UInt32 PINT=System.Int32[] PLCID=System.UInt32 PLONG=System.Int32[] PLUID=System.UInt32 PSHORT=System.Int16[] PSTR=System.String PTBYTE=System.Char[] PTCHAR=System.Char[] PTSTR=System.String PUCHAR=System.Char[] PUINT=System.UInt32[] PULONG=System.UInt32[] PUSHORT=System.UInt16[] PVOID=System.UInt32 PWCHAR=System.Char[] PWORD=System.Int16[] PWSTR=System.String REGSAM=System.UInt32 SC_HANDLE=System.IntPtr SC_LOCK=System.IntPtr SHORT=System.Int16 SIZE_T=System.UInt32 SSIZE_=System.UInt32 TBYTE=System.Char TCHAR=System.Char UCHAR=System.Byte UINT=System.UInt32 UINT32=System.UInt32 UINT64=System.UInt64 ULONG=System.UInt32 ULONG32=System.UInt32 ULONG64=System.UInt64 ULONGLONG=System.UInt64 USHORT=System.UInt16 WORD=System.UInt16 WPARAM=System.IntPtr
附:举一个声明API的例子
- [ DllImport( "Kernel32.dll" )]
- public static extern System.UInt32 VirtualAllocEx(
- System.IntPtr hProcess,
- System.UInt32 lpAddress,
- System.UInt32 dwSize,
- System.UInt32 flAllocationType,
- System.UInt32 flProtect
- );
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