PROGRESS BAR COLOR

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

//	variables globale
HWND hDlg;
HINSTANCE hinst;
HINSTANCE hinst2;
HANDLE SecondThread;
DWORD ThreadID;
HWND hProgress;
int val_choix_fix;
int vitesse;
HICON hIcon;

//	prototype des fonctions
BOOL CALLBACK AppProc(HWND hdlg, UINT msg, WPARAM wParam, LPARAM lParam);
BOOL CALLBACK AbtProc(HWND hdlg, UINT msg, WPARAM wParam, LPARAM lParam);
DWORD WINAPI ThreadProc(LPVOID lpParameter);
void about();
void generer();

//	fonction gérant les message concernant la boite de dialogue principale
BOOL CALLBACK AppProc(HWND hdlg, UINT msg, WPARAM wParam, LPARAM lParam)
{
  switch(msg) 
  {
     case WM_INITDIALOG:
		 {
		 hDlg=hdlg;
		 hIcon = LoadIcon(hinst, MAKEINTRESOURCE(IDI_ICON1));     //   charge l'icone.....
		 SetClassLong(hdlg, GCL_HICON, (long)hIcon);			 //   ... et l'affiche
		 hProgress = GetDlgItem(hDlg, IDC_PROGRESS);
		 vitesse = 50;
		 }
     case WM_COMMAND:
      switch(wParam) 
	  {
	  case IDC_LANCER:
		  generer();
		  break;
	  case IDC_ABOUT:
		  about();
		  break;
	  case IDC_STOP:
		  TerminateThread(SecondThread,NULL);
		  break;
	  case IDCANCEL:
		  EndDialog(hDlg,0);
              }
	  default:
		  break;
  }
  return 0;
}

//	fonction gérant les messages concernant la fenetre a propos de...	
BOOL CALLBACK AbtProc(HWND hdlg, UINT msg, WPARAM wParam, LPARAM lParam)
{
  switch(msg) 
  {
  case WM_INITDIALOG:
	  break;
  case WM_COMMAND:
      switch(wParam) 
	  {
	     case IDCANCEL: 
			EndDialog(hdlg,0);
                }
	  default:
		  break;
  }
  return 0;
}

//	fonction principale, c'est la premiere executée
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE, PSTR, int)
{
	hinst = hInstance;
	DialogBox(hInstance, MAKEINTRESOURCE(IDD_DIALOG), hDlg, AppProc);
    return 0;
}

//	voici les fonctions!
void about()
{
	DialogBox(hinst2, MAKEINTRESOURCE(IDD_DIALOG_2), hDlg, AbtProc);
}

void generer()
{
	TerminateThread(SecondThread,NULL);
	SecondThread = CreateThread(NULL,NULL,ThreadProc,NULL,NULL,&ThreadID);
}

DWORD WINAPI ThreadProc(LPVOID lpParameter)     //   fonction executée par le thread
{
	int R;
	int G;
	val_choix_fix = 700;
	SendMessage(hProgress, PBM_SETRANGE, 0, MAKELPARAM (0, val_choix_fix));
	for(int a = 0;a<=val_choix_fix;a++)
	{
		R=255;
		G=0;
		if(a<(val_choix_fix/2))
	{
		R = 255;
		G = (255*a)/(val_choix_fix/2);
	}
	if(a>=(val_choix_fix/2))
	{
		G = 255;
		R = 2*(255-((255*a)/(val_choix_fix)));
		R--;
		if(R<0)
			R=0;
		
	}
		SetDlgItemInt(hDlg,IDC_EDIT_R,R,FALSE);
		SetDlgItemInt(hDlg,IDC_EDIT_G,G,FALSE);
		SendMessage(hProgress, PBM_SETBARCOLOR , 0 , RGB(R,G,0));
		SendMessage(hProgress, PBM_SETPOS, (WPARAM) a, 0);
		SetDlgItemInt(hDlg,IDC_VALEUR,a,FALSE);
		Sleep(vitesse);
	}
	return 0;
}