CorPinvokeMap Enumeration

Specifies options for a PInvoke call.

typedef enum  CorPinvokeMap {
    
    pmNoMangle          = 0x0001,
    
    pmCharSetMask       = 0x0006,
    pmCharSetNotSpec    = 0x0000,
    pmCharSetAnsi       = 0x0002,
    pmCharSetUnicode    = 0x0004,
    pmCharSetAuto       = 0x0006,
    
    pmBestFitUseAssem   = 0x0000,
    pmBestFitEnabled    = 0x0010,
    pmBestFitDisabled   = 0x0020,
    pmBestFitMask       = 0x0030,
    
    pmThrowOnUnmappableCharUseAssem   = 0x0000,
    pmThrowOnUnmappableCharEnabled    = 0x1000,
    pmThrowOnUnmappableCharDisabled   = 0x2000,
    pmThrowOnUnmappableCharMask       = 0x3000,
    
    pmSupportsLastError = 0x0040, 
    
    pmCallConvMask      = 0x0700,
    pmCallConvWinapi    = 0x0100,
    pmCallConvCdecl     = 0x0200,
    pmCallConvStdcall   = 0x0300,
    pmCallConvThiscall  = 0x0400,
    pmCallConvFastcall  = 0x0500,

    pmMaxValue          = 0xFFFF
    
} CorPinvokeMap;

Members

Member	Description
pmNoMangle	Use each member name as specified.
pmCharSetMask	Reserved.
pmCharSetNotSpec	Reserved.
pmCharSetAnsi	Marshal strings as multiple-byte character strings.
pmCharSetUnicode	Marshal strings as Unicode 2-byte characters.
pmCharSetAuto	Automatically marshal strings appropriately for the target operating system. The default is Unicode on Windows NT, Windows 2000, Windows XP, and the Windows Server 2003 family; the default is ANSI on Windows 98 and Windows Me.
pmBestFitUseAssem	Reserved.
pmBestFitEnabled	Perform best-fit mapping of Unicode characters that lack an exact match in the ANSI character set.
pmBestFitDisabled	Do not perform best-fit mapping of Unicode characters. In this case, all unmappable characters will be replaced by a ‘?’.
pmBestFitMask	Reserved.
pmThrowOnUnmappableCharUseAssem	Reserved.
pmThrowOnUnmappableCharEnabled	Throw an exception when the interop marshaler encounters an unmappable character.
pmThrowOnUnmappableCharDisabled	Do not throw an exception when the interop marshaler encounters an unmappable character.
pmThrowOnUnmappableCharMask	Reserved
pmSupportsLastError	Allow the callee to call the Win32 SetLastError function before returning from the attributed method.
pmCallConvMask	Reserved
pmCallConvWinapi	Use the default platform calling convention. For example, on Windows the default is StdCall and on Windows CE .NET it is Cdecl.
pmCallConvCdecl	Use the Cdecl calling convention. In this case, the caller cleans the stack. This enables calling functions with varargs (that is, functions that accept a variable number of parameters).
pmCallConvStdcall	Use the StdCall calling convention. In this case, the callee cleans the stack. This is the default convention for calling unmanaged functions with platform invoke.
pmCallConvThiscall	Use the ThisCall calling convention. In this case, the first parameter is the this pointer and is stored in register ECX. Other parameters are pushed on the stack. The ThisCall calling convention is used to call methods on classes exported from an unmanaged DLL.
pmCallConvFastcall	Reserved.
pmMaxValue	Reserved.

Requirements

Platforms: See .NET Framework System Requirements.

Header: CorHdr.h

.NET Framework Versions: 3.5 SP1, 3.5, 3.0 SP1, 3.0, 2.0 SP1, 2.0, 1.1, 1.0

See Also

Other Resources

Metadata Enumerations