45 lines
938 B
C++
45 lines
938 B
C++
#ifndef __d6fae41e_2973_4474_bd22_af0773f51969__
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#define __d6fae41e_2973_4474_bd22_af0773f51969__
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#include "precomp.h"
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#include <tchar.h>
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BOOL CALLBACK EnumWindowsProc(HWND hwnd, // handle to parent window
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LPARAM lParam // application-defined value
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)
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{
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BOOL iRet = FALSE;
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if(hwnd && lParam)
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{
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TCHAR pBuffer[255] = {0};
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if(0 == GetClassName(hwnd,(TCHAR*)&pBuffer,255))
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{
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if(!_tcscmp(pBuffer,MAIN_WINDOW_CLASSNAME))
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{
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*((bool*)lParam) = true;
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}
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iRet = TRUE;
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}
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}
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return iRet;
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}
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class CFindInstance
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{
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public:
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CFindInstance()
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{
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}
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~CFindInstance()
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{
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}
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bool CFindInstance::FindInstance(LPTSTR pWindowClass)
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{
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bool bInstanceFound = false;
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EnumWindows(&EnumWindowsProc,(LPARAM)&bInstanceFound);
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return bInstanceFound;
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}
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};
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#endif |