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197 lines
3.2 KiB
197 lines
3.2 KiB
/*++
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Copyright (c) 1993 Microsoft Corporation
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Module Name:
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bkmem.c
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Abstract:
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Resource manipulation routines for online books program.
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Author:
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Ted Miller (tedm) 5-Jan-1995
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Revision History:
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--*/
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#include "books.h"
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PWSTR
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MyLoadString(
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IN UINT StringId
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)
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/*++
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Routine Description:
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Load a string from the application's string table resource
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and place it into a buffer.
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Arguments:
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StringId - supplies the string table id of the string to be retreived.
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Return Value:
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Pointer to a buffer containing the string. If any error
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occured the buffer will be empty.
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The caller can free the buffer via MyFree when done with it.
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--*/
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{
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WCHAR buf[4096];
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int i;
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PWSTR p;
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i = LoadString(hInst,StringId,buf,sizeof(buf)/sizeof(buf[0]));
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if(!i) {
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buf[0] = 0;
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}
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return DupString(buf);
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}
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int
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MessageBoxFromMessage(
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IN HWND Owner,
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IN UINT MessageId,
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IN UINT CaptionStringId,
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IN UINT Style,
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...
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)
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/*++
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Routine Description:
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Display a message box whose text is a formatted message and whose caption
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is a string in the application's string resources.
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Arguments:
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Owner - supplied handle of owner window
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MessageId - supplies id of message in message table resources
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CaptionStringId - supplies id of string in string resources. If this
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value is 0 the default ("Error") is used.
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Style - supplies style flags to be passed to MessageBox
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Return Value:
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Return value from MessageBox.
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--*/
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{
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PWSTR Text,Caption;
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va_list arglist;
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DWORD d;
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int i;
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va_start(arglist,Style);
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d = FormatMessage(
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FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_HMODULE,
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hInst,
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MessageId,
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0,
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(LPTSTR)&Text,
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0,
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&arglist
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);
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va_end(arglist);
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if(!d) {
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OutOfMemory();
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}
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Caption = CaptionStringId ? MyLoadString(CaptionStringId) : NULL;
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i = MessageBox(Owner,Text,Caption,Style);
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if(Caption) {
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MyFree(Caption);
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}
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LocalFree(Text);
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return(i);
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}
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PWSTR
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RetreiveMessage(
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IN UINT MessageId,
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...
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)
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/*++
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Routine Description:
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Retreive and format a message from the application's message resources.
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Arguments:
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MessageId - supplies the message id of the message to be
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retreived and formatted.
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... - additional arguments supply strings to be inserted into the
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message as it is formatted.
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Return Value:
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Pointer to a buffer containing the string. If any error
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occured the buffer will be empty.
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The caller can free the buffer via MyFree when done with it.
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--*/
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{
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va_list arglist;
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DWORD d;
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PWSTR p,q;
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va_start(arglist,MessageId);
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d = FormatMessage(
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FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_HMODULE,
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hInst,
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MessageId,
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0,
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(LPTSTR)&p,
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0,
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&arglist
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);
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va_end(arglist);
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if(!d) {
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OutOfMemory();
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}
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//
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// Move the string to a buffer allocated with MyAlloc so the caller
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// can use MyFree instead of LocalFree (to avoid confusion).
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//
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q = DupString(p);
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LocalFree((HLOCAL)p);
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return(q);
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}
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