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; |
|
booll |
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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