quote:

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Locate a function in the source file (*.c or *.cpp) that contains code constructing an Origin C object of type Dialog and calling either the Dialog.Create or Dialog.DoModal method. The Dialog.Create method launches a modeless dialog and the Dialog.DoModal method launches a modal dialog.

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bool DoMyDialog() 
{
	MyDialog myDlg;
	myDlg.Create( GetWindow() );
	return true;
} 

class MyDialog : public Dialog
{
public:
	MyDialog() : Dialog(IDD_MYDIALOG, "MyDialog")
	{
	}

	BOOL Create(HWND hParent = NULL)
	{
		InitMsgMap();// will be called from internal later
		BOOL BRet = Dialog::Create(hParent);
		return BRet;
	} 

static MyDialog MyDlg;
BOOL DoMyDialog(BOOL bClose=FALSE)
{
	if(MyDlg.GetWindow())
	{
		if(!bClose)
		{
			out_str("Dialog already open");
			return FALSE; //already open
		}
		//we will need to close it
		return TRUE;
	}
	
	return MyDlg.Create();
}