windows-nt/Source/XPSP1/NT/shell/osshell/shcompui/shcompui.h
2020-09-26 16:20:57 +08:00

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#ifndef __SHCOMPUI_H
#define __SHCOMPUI_H
///////////////////////////////////////////////////////////////////////////////
//
// Microsoft Windows
// Copyright (C) Microsoft Corporation, 1995.
//
// FILE: SHCOMPUI.H
//
// DESCRIPTION:
//
// Header for users of SHCOMPUI.DLL.
//
// REVISIONS:
//
// Date Description Programmer
// ---------- --------------------------------------------------- ----------
// 09/15/95 Initial creation. brianau
// 09/21/95 Changes per first code review. brianau
// 09/28/95 Added SCCA_CONTEXT structure. brianau
//
///////////////////////////////////////////////////////////////////////////////
#ifdef WINNT
#include <windows.h>
//
// Define a context structure for keeping track of what's going on during the
// compression/uncompression operations.
//
typedef struct {
BOOL bIgnoreAllErrors; // User wants to ignore all errors.
DWORD uCompletionReason; // Reason operation completed.
DWORD cErrors; // Number of errors on last call.
DWORD cCummErrors; // Cummulative error count.
} SCCA_CONTEXT, *LPSCCA_CONTEXT;
//
// Values for uCompletionReason member of SCCA_CONTEXT.
//
#define SCCA_REASON_NORMAL 0 // No problems.
#define SCCA_REASON_USERCANCEL 1 // User cancel in confirm dlg.
#define SCCA_REASON_USERABORT 2 // User abort in error dlg.
#define SCCA_REASON_IOERROR 3 // Device IO error.
#define SCCA_REASON_DISKFULL 4 // Disk full on uncompression.
//
// Initialize a new context structure.
// Use address of structure as argument.
//
#define SCCA_CONTEXT_INIT(c) { memset((LPVOID)c, 0, sizeof(SCCA_CONTEXT)); }
//
// To call this function, create a SCCA_CONTEXT variable, initialize
// it with SCCA_CONTEXT_INIT( ) and pass it's address in the "context"
// argument. The context structure maintains information that must
// persist between successive calls while processing an Explorer
// selection set. The structure is also used to collect performance
// data such as error counts and completion status that may be queried
// once the function returns.
//
BOOL ShellChangeCompressionAttribute(HWND hActiveWnd, LPTSTR szNameSpec,
LPSCCA_CONTEXT context, BOOL bCompress, BOOL bShowUI);
#define SZ_SHCOMPUI_DLLNAME __TEXT("SHCOMPUI.DLL")
//
// Note: This must be an ANSI string for GetProcAddress( ).
//
#define SZ_COMPRESS_PROCNAME "ShellChangeCompressionAttribute"
#endif // ifdef WINNT
#endif // ifdef __SHCOMPUI_H