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