ACTIVER COMPLETIONCHAR (COMPLETION AUTOMATIQUE EN CONSOLE DOS)

#include <windows.h>
#include "resource.h"

HWND hEtat;

bool ecritCompletion(bool value)
{
	HKEY hKey = NULL;
	DWORD valeur;
	if (RegOpenKeyEx(HKEY_CURRENT_USER,"Software\\Microsoft\\Command Processor",0,KEY_SET_VALUE,&hKey)!= ERROR_SUCCESS)
		return false;
	valeur = value ? 0x09 : 0x00;
    if (RegSetValueEx(hKey,"CompletionChar",0,REG_DWORD,(LPBYTE) &valeur,sizeof(DWORD))!= ERROR_SUCCESS)
	{
		RegCloseKey(hKey);
		return false;
	}
	RegCloseKey(hKey);
	return true;
}

bool litCompletion()
{
	HKEY hKey = NULL;
	DWORD type, size=255;
	char * valeur = new char[255];
	if (RegOpenKeyEx(HKEY_CURRENT_USER,"Software\\Microsoft\\Command Processor",0,KEY_QUERY_VALUE,&hKey)!= ERROR_SUCCESS)
		return false;
	if (RegQueryValueEx(hKey, "CompletionChar", NULL, &type, (LPBYTE)valeur, &size )!= ERROR_SUCCESS)
	{
		RegCloseKey(hKey);
		return false;
	}
	int a = *valeur; 
	delete valeur;
	RegCloseKey(hKey);
	return a==9;
}

BOOL CALLBACK dialogProc(HWND handleDialog, UINT mssg, WPARAM wParam, LPARAM lParam)
{
	switch(mssg)
	{
		case WM_INITDIALOG:
			hEtat = GetDlgItem(handleDialog, IDC_ETAT);
			SetWindowText(hEtat, litCompletion() ? "Présent" : "Non présent");
			return 1;
		case WM_COMMAND:
			switch(wParam)
			{
				case IDOK:
					if (!ecritCompletion(!litCompletion()))
						SetWindowText(hEtat, "Erreur");
					SetWindowText(hEtat, litCompletion() ? "Présent" : "Non présent");
					return 0;
			}
		case WM_QUIT:
			PostQuitMessage(0);
	}
	return 0;
}


int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
{
	DialogBoxParam(hInstance, (LPCTSTR)IDD_DIA, 0, dialogProc, 0);
	return 1;
}

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