自学教程：C++ EnableControl函数代码示例

/* This function handles the WM_INITDIALOG message. */BOOL FASTCALL LocalTopic_OnInitDialog( HWND hwnd, HWND hwndFocus, LPARAM lParam ){   HWND hwndList;   HWND hwndEdit;   CURMSG curmsg;   int index;   /* Fill the listbox with the list of folders.    */   hwndList = GetDlgItem( hwnd, IDD_LIST );   FillListWithFolders( hwnd, IDD_LIST );   /* Highlight the current folder or topic.    */   Ameol2_GetCurrentTopic( &curmsg );   if( NULL != curmsg.pFolder )      {      ASSERT( NULL != curmsg.pcat );      if( NULL == curmsg.pcl )         curmsg.pcl = Amdb_GetFirstFolder( curmsg.pcat );      if( CB_ERR != ( index = ComboBox_FindStringExact( hwndList, -1, curmsg.pcl ) ) )         ComboBox_SetCurSel( hwndList, index );      }   /* Limit the input field.    */   VERIFY( hwndEdit = GetDlgItem( hwnd, IDD_EDIT ) );   Edit_LimitText( hwndEdit, LEN_TOPICNAME );   EnableControl( hwnd, IDOK, FALSE );   SetFocus( hwndEdit );   return( FALSE );}

/* This function handles the WM_INITDIALOG message. */BOOL FASTCALL NewBlinkEntryDlg_OnInitDialog( HWND hwnd, HWND hwndFocus, LPARAM lParam ){   Edit_LimitText( GetDlgItem( hwnd, IDD_EDIT ), 39 );   EnableControl( hwnd, IDOK, FALSE );   SetWindowLong( hwnd, DWL_USER, lParam );   return( TRUE );}

//---------------------------------------------------------------------------void __fastcall TRightsFrame::UpdateControls(){  Color = (FPopup ? clWindow : clBtnFace);  DirectoriesXCheck->Visible = AllowAddXToDirectories;  EnableControl(DirectoriesXCheck,    Enabled && DirectoriesXEffective());  FInitialized = true;  DoChange();}

//确定函数VOID CDlgCustomFace::OnOK(){	//连接判断	bool bConnect=false;	//系统模式	if (m_cbMode==MM_SYSTEM)	{		CGlobalUserInfo * pGlobalUserInfo=CGlobalUserInfo::GetInstance();		bConnect=(pGlobalUserInfo->GetGlobalUserData()->wFaceID!=m_wFaceID);	}	//自定模式	if (m_cbMode==MM_CUSTOM)	{		//创建缓冲		CImage ImageCustomFace;		ImageCustomFace.Create(FACE_CX,FACE_CY,32);		//创建 DC		CImageDC BufferDC(ImageCustomFace);		m_FaceItemCustomWnd.DrawEditImage(CDC::FromHandle(BufferDC),0,0,FACE_CX,FACE_CY);		//获取数据		INT nImagePitch=ImageCustomFace.GetPitch();		LPBYTE cbBitCustomFace=(LPBYTE)ImageCustomFace.GetBits();		//创建区域		for (INT nYImagePos=0;nYImagePos<FACE_CY;nYImagePos++)		{			for (INT nXImagePos=0;nXImagePos<FACE_CX;nXImagePos++)			{				//设置颜色				DWORD dwImageTarget=nYImagePos*nImagePitch+nXImagePos*4L;				m_CustomFaceInfo.dwCustomFace[nYImagePos*FACE_CX+nXImagePos]=*(COLORREF *)(cbBitCustomFace+dwImageTarget);			}		}		//设置变量		bConnect=true;		m_CustomFaceInfo.dwDataSize=sizeof(m_CustomFaceInfo);	}	//激活任务	if (bConnect==true)	{		//控件控制		EnableControl(false);		//激活任务		m_MissionManager.AvtiveMissionItem(this,false);		return;	}	__super::OnOK();}

INT_PTR HintBox::HandleMessage(MessageType message, WPARAM wParam) {    INT_PTR result = FALSE;    switch (message) {    case WM_INITDIALOG: {        Dialog::HandleMessage(message, wParam);        if (mGameStyle == GAME_STYLE_CHALLENGE) {            // disable the stronger hints            EnableControl(IDC_RADIO_CONNECTED, false);            EnableControl(IDC_RADIO_USABLE_ANY, false);            EnableControl(IDC_RADIO_USABLE_SELECTED, false);        }        SetHintStrength();        result = TRUE;        break;                        }    case WM_COMMAND: {        IdType const id = LOWORD(wParam);        int const notification_code = HIWORD(wParam);        switch (id) {        case IDC_RADIO_NONE:        case IDC_RADIO_EMPTY:        case IDC_RADIO_CONNECTED:        case IDC_RADIO_USABLE_ANY:        case IDC_RADIO_USABLE_SELECTED:            if (notification_code == BN_CLICKED) {                SetHintStrength(id);            }            break;        default:            break;        }        break;                     }    }    if (result == FALSE) {        result = Dialog::HandleMessage(message, wParam);    }    return result;}

/** * Set the output set-point value. * * The scale and the units depend on the mode the Jaguar is in. * In PercentVbus Mode, the outputValue is from -1.0 to 1.0 (same as PWM Jaguar). * In Voltage Mode, the outputValue is in Volts. * In Current Mode, the outputValue is in Amps. * In Speed Mode, the outputValue is in Rotations/Minute. * In Position Mode, the outputValue is in Rotations. * * @param outputValue The set-point to sent to the motor controller. * @param syncGroup The update group to add this Set() to, pending UpdateSyncGroup().  If 0, update immediately. */void CANJaguar::Set(float outputValue, uint8_t syncGroup){    uint32_t messageID;    uint8_t dataBuffer[8];    uint8_t dataSize;    if (m_safetyHelper && !m_safetyHelper->IsAlive())    {	EnableControl();    }    switch(m_controlMode)    {    case kPercentVbus:	{	    messageID = LM_API_VOLT_T_SET;	    if (outputValue > 1.0) outputValue = 1.0;	    if (outputValue < -1.0) outputValue = -1.0;	    dataSize = packPercentage(dataBuffer, outputValue);	}	break;    case kSpeed:	{	    messageID = LM_API_SPD_T_SET;	    dataSize = packFXP16_16(dataBuffer, outputValue);	}	break;    case kPosition:	{	    messageID = LM_API_POS_T_SET;	    dataSize = packFXP16_16(dataBuffer, outputValue);	}	break;    case kCurrent:	{	    messageID = LM_API_ICTRL_T_SET;	    dataSize = packFXP8_8(dataBuffer, outputValue);	}	break;    case kVoltage:	{	    messageID = LM_API_VCOMP_T_SET;	    dataSize = packFXP8_8(dataBuffer, outputValue);	}	break;    default:	return;    }    if (syncGroup != 0)    {	dataBuffer[dataSize] = syncGroup;	dataSize++;    }    setTransaction(messageID, dataBuffer, dataSize);    if (m_safetyHelper) m_safetyHelper->Feed();}

void CGUIWindowSettingsScreenCalibration::ResetControls(){  // disable the video control, so that our other controls take mouse clicks etc.  CONTROL_DISABLE(CONTROL_VIDEO);  // disable the UI calibration for our controls  // and set their limits  // also, set them to invisible if they don't have focus  CGUIMoverControl *pControl = dynamic_cast<CGUIMoverControl*>(GetControl(CONTROL_TOP_LEFT));  RESOLUTION_INFO info = g_graphicsContext.GetResInfo(m_Res[m_iCurRes]);  if (pControl)  {    pControl->SetLimits( -info.iWidth / 4,                         -info.iHeight / 4,                         info.iWidth / 4,                         info.iHeight / 4);    pControl->SetPosition((float)info.Overscan.left,                          (float)info.Overscan.top);    pControl->SetLocation(info.Overscan.left,                          info.Overscan.top, false);  }  pControl = dynamic_cast<CGUIMoverControl*>(GetControl(CONTROL_BOTTOM_RIGHT));  if (pControl)  {    pControl->SetLimits(info.iWidth*3 / 4,                        info.iHeight*3 / 4,                        info.iWidth*5 / 4,                        info.iHeight*5 / 4);    pControl->SetPosition((float)info.Overscan.right - (int)pControl->GetWidth(),                          (float)info.Overscan.bottom - (int)pControl->GetHeight());    pControl->SetLocation(info.Overscan.right,                          info.Overscan.bottom, false);  }  // Subtitles and OSD controls can only move up and down  pControl = dynamic_cast<CGUIMoverControl*>(GetControl(CONTROL_SUBTITLES));  if (pControl)  {    pControl->SetLimits(0, info.iHeight*3 / 4,                        0, info.iHeight*5 / 4);    pControl->SetPosition((info.iWidth - pControl->GetWidth()) * 0.5f,                          info.iSubtitles - pControl->GetHeight());    pControl->SetLocation(0, info.iSubtitles, false);  }  // lastly the pixel ratio control...  CGUIResizeControl *pResize = dynamic_cast<CGUIResizeControl*>(GetControl(CONTROL_PIXEL_RATIO));  if (pResize)  {    pResize->SetLimits(info.iWidth*0.25f, info.iHeight*0.5f,                       info.iWidth*0.75f, info.iHeight*0.5f);    pResize->SetHeight(info.iHeight * 0.5f);    pResize->SetWidth(pResize->GetHeight() / info.fPixelRatio);    pResize->SetPosition((info.iWidth - pResize->GetWidth()) / 2,                         (info.iHeight - pResize->GetHeight()) / 2);  }  // Enable the default control  EnableControl(m_iControl);}

SRXSpeed::SRXSpeed(int id, double Pvalue, double Ivalue, double Dvalue, int a):CANTalon(id){	SetControlMode(CANTalon::kSpeed);	SetFeedbackDevice(CANTalon::QuadEncoder);	SetP(Pvalue);	SetI(Ivalue);	SetD(Dvalue);	EnableControl();	maxTicks=a;}

void SmartSpeedCANJaguar::Initialize(){	ChangeControlMode(kSpeed);								// Set for speed mode	SetSpeedReference(CANJaguar::kSpeedRef_Encoder);		// Define the encoder type	ConfigEncoderCodesPerRev(encoderPulsesPerRevolution);	// Define the lines per revolution	CANJaguar::SetPID(pid_P, pid_I, pid_D);					// Set our passed in PID constants	EnableControl();										// Must enable the control paramaters										CANJaguar::Set(lastSetSpeed);							// Restore the last target speed...}

//---------------------------------------------------------------------------void __fastcall TSynchronizeDialog::UpdateControls(){  EnableControl(StartButton, !LocalDirectoryEdit->Text.IsEmpty() &&    !RemoteDirectoryEdit->Text.IsEmpty());  TButton * OldButton = FSynchronizing ? StartButton : StopButton;  TButton * NewButton = FSynchronizing ? StopButton : StartButton;  if (!NewButton->Visible || OldButton->Visible)  {    NewButton->Visible = true;    if (OldButton->Focused())    {      NewButton->SetFocus();    }    OldButton->Default = false;    NewButton->Default = true;    OldButton->Visible = false;    // some of the above steps hides accelerators when start button is pressed with mouse    ResetSystemSettings(this);  }  Caption = FormatFormCaption(this, LoadStr(FSynchronizing ? SYNCHRONIZE_SYCHRONIZING : SYNCHRONIZE_TITLE));  EnableControl(TransferSettingsButton, !FSynchronizing);  CancelButton->Visible = !FSynchronizing || FLAGSET(FOptions, soNoMinimize);  EnableControl(CancelButton, !FSynchronizing);  EnableControl(DirectoriesGroup, !FSynchronizing);  EnableControl(OptionsGroup, !FSynchronizing);  EnableControl(CopyParamGroup, !FSynchronizing);  MinimizeButton->Visible = FSynchronizing && FLAGCLEAR(FOptions, soNoMinimize);  EnableControl(SynchronizeSelectedOnlyCheck,    OptionsGroup->Enabled && FLAGSET(FOptions, soAllowSelectedOnly));  UnicodeString InfoStr = CopyParams.GetInfoStr(L"; ", ActualCopyParamAttrs());  CopyParamLabel->Caption = InfoStr;  CopyParamLabel->Hint = InfoStr;  CopyParamLabel->ShowHint =    (CopyParamLabel->Canvas->TextWidth(InfoStr) > (CopyParamLabel->Width * 3 / 2));  TransferSettingsButton->Style =    FLAGCLEAR(Options, soDoNotUsePresets) ?      TCustomButton::bsSplitButton : TCustomButton::bsPushButton;  if (LogPanel->Visible != FSynchronizing)  {    if (FSynchronizing)    {      LogPanel->Visible = true;      ClientHeight = ClientHeight + LogPanel->Height;    }    else    {      ClientHeight = ClientHeight - LogPanel->Height;      LogPanel->Visible = false;    }  }  // When minimizing to tray globally, no point showing special "minimize to tray" command  MinimizeButton->Style =    !WinConfiguration->MinimizeToTray ? TCustomButton::bsSplitButton : TCustomButton::bsPushButton;}

//----------------------------------------------------------------------------------------------//	ApplySetting//----------------------------------------------------------------------------------------------VOID CStickPage::ApplySetting(){	//	「スティックの
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