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Simple example of creating tab controls

Discussion in 'Win32' started by imrantechi, Feb 13, 2008.

  1. imrantechi

    imrantechi New Member

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    Introduction



    This code is a simple example to show the creation of various tab controls.

    The code



    Code:
    //HEADER FILES
    
    # include <windows.h>
    
    //IDENTIFIERS
    
    #	define		IDC_CHECKBOX1				100			///<Identifier For 1st Check Box 
    #	define		IDC_CHECKBOX2				101			///<Identifier For 2nd Check Box 
    #	define		IDC_CHECKBOX3				102			///<Identifier For 3rd Check Box 
    #	define		IDC_CHECKBOX4				103			///<Identifier For 4th Check Box
    #	define		IDC_RADIO11					104			///<Identifier For 1st Radio Button   
    #	define		IDC_RADIO12					105			///<Identifier For 2nd Radio Button 
    #	define		IDC_RADIO13					106			///<Identifier For 3rd Radio Button  
    #	define		IDC_RADIO21					107			///<Identifier For 1st Radio Button  
    #	define		IDC_RADIO22					108			///<Identifier For 2nd Radio Button  
    #	define		IDC_RADIO23					109			///<Identifier For 3rd Radio Button 
    #	define		IDC_EDITBOX	                110			///<Identifier For Edit Control 
    #	define		IDC_LISTBOX					111			///<Identifier For List Box 
    #	define		IDC_SUBMIT				    112			///<Identifier For Submit Button 
    #	define		IDC_GROUP1		            113			///<Identifier For 1st Group 
    #	define		IDC_GROUP2		            114			///<Identifier For 2nd Group 
    #	define		IDC_GROUP3		            115			///<Identifier For 3rd Group 
    #	define		IDC_RESET		            116			///<Identifier For Reset Button 
    #	define		IDC_COMBOBOX		        117			///<Identifier For Reset Button 	
    #   define      ONE                         1           ///<Macro Declaration.
    #   define      TWO                         2           ///<Macro Declaration.
    #   define      THREE                       3           ///<Macro Declaration.
    #   define      FOUR						4          ///<Macro Declaration.
    #   define      ZERO                        0           ///<Macro Declaration.
    #   define      FIVE						5          ///<Macro Declaration.
    
    //Global Variables
    
    HANDLE		ghInstance;	///< Contains the instance of the Application
    int gCheckonce=ONE,i;      ///<used for the submit button to allow only one submission. 
    
    /**
     * WinMain() to register our window class
     *
     * This continues into the more detailed description of the function.
     * 
     * @param [in]	 hInstance:- Handle to the programs executable module (the .exe file in memory)
     * @param [in]	 hPrevInstance:- Always NULL for Win32 programs.Handle to the previous instance of the application
     * @param [in]	 lpszCmdLine:- Pointer to a null-terminated string of 8-bit characters.specifying the command line 
    					           for the application,excluding the program name
     * @param [in]	 nCmdShow:- How the window is to be shown
     *
     * @return		msg.wParam	it returns wParam value of each message.		
     *
     */
    
    int WINAPI WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpszCmdLine, int nCmdShow )
    {
    
    		WNDCLASS	wc;		///<contains the window class attributes that are registered by the RegisterClass function
    		MSG			msg;    ///<structure contains message information from a thread's message queue
    		HWND		hWnd;   ///<handle to window
    		BOOL		bRet;
    
        LoadLibrary("riched32.dll");
    	if( !hPrevInstance ){
    
    		wc.lpszClassName = "GenericAppClass";			///<Name to identify the window class.
    		wc.lpfnWndProc = WindowProc;					///<Pointer to the window procedure for this window class
    		wc.style = CS_OWNDC | CS_VREDRAW | CS_HREDRAW;	///<Specifies the class style(s)
    		wc.hInstance = hInstance;                        
    		wc.hIcon = LoadIcon( NULL, IDI_APPLICATION );   ///<returns the handle to an icon to be loaded on the window
    		wc.hCursor = LoadCursor( NULL, IDC_ARROW );     ///<returns the handle to the cursor that has to be displayed
    		wc.hbrBackground = (HBRUSH)( COLOR_WINDOW+11);  ///<set the background color
    		wc.lpszMenuName = NULL;                         ///<class have no default menu
    		wc.cbClsExtra = 0;                            
    		wc.cbWndExtra = 0;
    		RegisterClass( &wc );                           ///<this will register the class
    	}
    
    	ghInstance = hInstance;
    
    	//CreateWindow will return the handle to a new window
    	hWnd = CreateWindow( "GenericAppClass",					///<name of the window class
    						"EXAMPLE OF TAB CONTROL",			///<window name
    						WS_OVERLAPPEDWINDOW|WS_HSCROLL|
    						WS_VSCROLL|WS_CLIPSIBLINGS,			///<specifies the window style
    						0,									///<set the horizontal position of the window
    						0,                                  ///<set the vertical position of the window
    						CW_USEDEFAULT,                      ///<set the width of the window
    						CW_USEDEFAULT,						///<set the height of the window
    						NULL,                               ///<contains valid pointer for child window 
    						NULL,								///<class menu is used
    						hInstance,							///<Handle to the instance associated with the window
    						NULL );  
    
    	
    	//function to show the window
    	ShowWindow( hWnd, SW_MAXIMIZE );                        
    
    	//it will be executed if function will return nonzero value
    	while( (bRet = GetMessage( &msg, NULL, 0, 0 )) != 0 )
    	{
    		//execute if there is an error otherwise 'else' part is executed
    		if (bRet == -1) {                                
    			
    			return 0;
    		
    		} else {										
    	
    			TranslateMessage( &msg );		///<translates virtual-key messages into character messages.
    			DispatchMessage( &msg );		///<dispatches a message to a window procedure
    		}
    	}										///<loops ended
    	return (int)msg.wParam;					///< returns integer that indicates the additional information of the msg
    
    }   //  End of WinMain() 
    
    /**
     * MainWndProc procedure 
     *
     * This continues into the more detailed description of the function.
     * 
     * @param [in]     hWnd		Contains the address of the Window
     * @param [in]     msg		specifies the msg
     * 
     * @return			0		returns zero.     
     *
     */
    
    LRESULT CALLBACK WindowProc( HWND phWnd, UINT uMsg, WPARAM wParam, LPARAM lParam )
    {	
    	switch( uMsg ){
    	//call function to create all controls.
    	case WM_CREATE:
    
    		CreateControls(phWnd);		///<creates all the controls.
    		break;
    		
    	//used to close the window
    	case WM_CLOSE:
    
    		if((MessageBox(phWnd, "DO YOU REALLY WANT TO EXIT ?", "Message",MB_OKCANCEL))==IDOK){
    			//for final exit
    			DestroyWindow(phWnd);	///< POSTS THE MESSAGE WM_DESTROY TO DESTROY THE CREATED WINDOW.
    		}
    		break;
    
    	case WM_COMMAND:	
    
    		//Handling Window Controllers 
    		switch(LOWORD(wParam)){
    
    		case IDC_SUBMIT: 
    
    			///<handles the submission of the details into the list box on clicking submit 
    
    			if(HIWORD(wParam)==BN_CLICKED && gCheckonce==ONE){  ///< hiword(wParam) takes the notification
    
    				AddItemsInListBox(phWnd); ///<displays all the details in the list box.
    
    				gCheckonce=TWO;
    			}
    			break;
    
    		case IDC_RESET:
    
    			if(HIWORD(wParam)==BN_CLICKED){
    
    				for(i=ZERO; i<FOUR; i++){
    
    					//sends message to uncheck the radio buttons of the first group.
    					SendMessage(GetDlgItem(phWnd,(IDC_RADIO11+i)),BM_SETCHECK,BST_UNCHECKED,0);
    
    					//sends message to uncheck the radio buttons of the second group
    					SendMessage(GetDlgItem(phWnd,(IDC_RADIO21+i)),BM_SETCHECK,BST_UNCHECKED,0);
    
    					//sends message to uncheck the check boxes.
    					SendMessage(GetDlgItem(phWnd,(IDC_CHECKBOX1+i)),BM_SETCHECK,BST_UNCHECKED,0);
    				}
    
    				//sends message to reset the edit box.
    				SendMessage(GetDlgItem(phWnd,IDC_EDITBOX),WM_SETTEXT,0,(LPARAM)" ");
    
    				//sends message to reset the combo box.
    				SendMessage(GetDlgItem(phWnd,IDC_COMBOBOX),CB_SETCURSEL,0,"");
    
    				//sends message to reset the list box.
    				SendMessage(GetDlgItem(phWnd,IDC_LISTBOX),LB_RESETCONTENT,0,0);
    
    				//resets the flag of the submit button to 1.
    				gCheckonce=ONE;
    			}
    			break;
    		}
    		break;
    
    		//USED TO CONTROL WINDOW
    	case WM_DESTROY:
    
    		PostQuitMessage(0); ///< posts the message wm_quit to quit the window.
    
    		break;
    
    		//TO PROVIDE DEFAULT PROCESSING ON ANY WINDOW MESSAGES
    	default:
    
    		return( DefWindowProc( phWnd, uMsg, wParam, lParam ));				
    	}																	 
    	return 0;
    }
    
    /**
     * CreateLabels() used to create labels for all the controls 
     *
     * This continues into the more detailed description of the function.
     * 
     * @param [in]     hWnd				Contains the address of the Parent Window
     * @param [in]     hwndCheckBox		contains the address of the check box control
     * 
     */
    
    void CreateLabels(HWND phWnd)
    {
    	//LABEL FOR THE COMBO BOX
    	CreateWindow("Static","Enter the field of Study:",WS_CHILD|WS_VISIBLE|SS_LEFT,40,80,200,
    		20,phWnd,NULL,ghInstance,NULL);
    
    	//LABEL FOR THE BADIOBUTTONS OF FIRST GROUP
    	CreateWindow("Static","Enter the Students Year Of Study:",WS_CHILD|WS_VISIBLE|SS_LEFT,40,160,250									 ,20,phWnd,NULL,ghInstance,NULL);
    
    	//LABEL FOR THE EDIT BOX
    	CreateWindow("Static","Enter the Students Name:",WS_CHILD|WS_VISIBLE|SS_LEFT,510,80,180,20,									phWnd,NULL,ghInstance,NULL);
    
    	//LABEL FOR THE RADIOBUTTONS OF THE SECOND GROUP
    	CreateWindow("Static","Enter the Students Initials:",WS_CHILD|WS_VISIBLE|SS_LEFT,510,160,180,20,
    		phWnd,NULL,ghInstance,NULL);
    	
    	//LABEL FOR THE CHECK BOX
    	CreateWindow("Static","Enter the Students Hobbies:",WS_CHILD|WS_VISIBLE|SS_LEFT,220,350,280,20,										  phWnd,NULL,ghInstance,NULL);
    }
    
    
    
    /**
     * CreateControls() used to create Controls for all the controls 
     *
     * This continues into the more detailed description of the function.
     * 
     * @param [in]     hWnd				Contains the address of the Parent Window
     * @param [in]     hwndCheckBox		contains the address of the check box control
     * 
     */
    
    void CreateControls( HWND phWnd )
    {
    	//TO CREATE COMBO BOX
    	CreateComboBox(phWnd);
    
    	//TO CREATE RADIOBUTTON
    	CreateRadioButtonfirstgroup(phWnd,180);
    
    	//TO CREATE LABELS FOR ALL THE CONTROLS
        CreateLabels(phWnd);
    
    	//TO CREATE THE GROUP STRUCTURE
    	CreateGroups(phWnd);
        
    	// CreateEditBox(phWnd);
        CreateEditBox(phWnd);	
    
    	//TO CREATE SECOND SET OF RADIOBUTTONS
    	CreateRadioButtonsecondgroup(phWnd,180);
    
    	//TO CREATE CHECK BOX
    	CreateCheckBox(phWnd,340);
    
    	//TO CREATE THE SUBMIT AND RESET BUTTONS FOR THE 1ST TAB
    	Createopbutton(phWnd);
    							
    	//TO CREATE LIST BOX CONTROL 
    	CreateListBox(phWnd);
    
    	//used to setfocus on ComboBox
    	SetFocus(GetDlgItem(phWnd,IDC_COMBOBOX));	
    }
    
    /**
     * CreateGroups() used to create groups for all the controls 
     *
     * This continues into the more detailed description of the function.
     * 
     * @param [in]     hWnd				Contains the address of the Parent Window
     * @param [in]     hwndCheckBox		contains the address of the check box control
     * 
     */
    void CreateGroups(HWND phWnd)
    {
    	//CREATES THE OUTLINE FOR THE FIRST GROUP
    	CreateWindow("Button", "SUBJECT DETAILS" , WS_CHILD | WS_VISIBLE |BS_GROUPBOX,30,50,400,250,phWnd,
    		(HMENU)IDC_GROUP1,ghInstance,NULL); 
    
    	//CREATES THE OUTLINE FOR THE SECOND GROUP
    	CreateWindow("Button", "STUDENT DETAILS" , WS_CHILD | WS_VISIBLE |BS_GROUPBOX,500,50,400,
    		250,phWnd,(HMENU)IDC_GROUP2,ghInstance,NULL);	
    
    	//CREATES THE OUTLINE FOR THE THIRD GROUP
    	CreateWindow("Button", "HOBBIES" , WS_CHILD | WS_VISIBLE |BS_GROUPBOX,30,320,670,
    		120,phWnd,(HMENU)IDC_GROUP3,ghInstance,NULL); 
    
    }
    
    
    /**
     * CreateRadioButtonfirstgroup() used to create Radio Button for first Group Box
     *
     * This continues into the more detailed description of the function.
     * 
     * @param [in]     hWnd				Contains the address of the Window
     * @param [in]     button_no		Contains the Radio button no.
     *   
     */
    
    void CreateRadioButtonfirstgroup(HWND phWnd,int y_axis)
    {
    
    		int i,x_axis;
    		char *radiobuttonnames[]={"I","II","III"};
    
    	//this loop creates the three radiobuttons.
    	for(i=ZERO,x_axis=50;i<THREE;i++,x_axis+=90){
    
    		CreateWindow("Button",radiobuttonnames[i],WS_CHILD|WS_VISIBLE|WS_TABSTOP|BS_AUTORADIOBUTTON,
    
    			x_axis,y_axis,50,100,phWnd,(HMENU)(IDC_RADIO11+i),ghInstance,NULL);
    	}   	
    }
    
    /**
     * CreateRadioButtonsecondgroup() used to create Radio Button for second Group Box
     *
     * This continues into the more detailed description of the function.
     * 
     * @param [in]     hWnd				Contains the address of the Window
     * @param [in]     button_no		Contains the Radio button no.
     *   
     */
    
    void CreateRadioButtonsecondgroup(HWND hWnd,int y_axis)
    {
    
    		int i,x_axis;
    		char *radiobuttonnames1[]={"Mr","Miss","Mrs"};
    
    	//this loop creates the three radiobuttons.
    	for(i=ZERO,x_axis=520;i<THREE;i++,x_axis+=90){
    
    		CreateWindow("Button",radiobuttonnames1[i],WS_CHILD|WS_VISIBLE|WS_TABSTOP|BS_AUTORADIOBUTTON,
    
    			x_axis,y_axis,50,100,hWnd,(HMENU)(IDC_RADIO21+i),ghInstance,NULL);
    	}
    }
    
    /**
     * Createopbutton() used to create submit and reset button 
     *
     * This continues into the more detailed description of the function.
     * 
     * @param [in]     hWnd				Contains the address of the Window
     * @param [in]     button_no		Contains the Radio button no.
     *   
     */
    
    void Createopbutton(HWND phWnd)
    {    
    	//CREATES THE SUBMIT BUTTON
    	CreateWindow("Button","Submit",WS_CHILD|WS_VISIBLE|BS_DEFPUSHBUTTON|WS_TABSTOP ,350,600,100,30,
    		phWnd,(HMENU)IDC_SUBMIT,ghInstance,NULL);
    
    	//CREATES THE RESET BUTTON
    	CreateWindow("Button","Reset",WS_CHILD|WS_VISIBLE|BS_DEFPUSHBUTTON|WS_TABSTOP ,550,600,100,30,
    		phWnd,(HMENU)IDC_RESET,ghInstance,NULL);
    
    }
    
    /**
     * CreateCheckBox() creates the check boxes
     *
     * This continues into the more detailed description of the function.
     * 
     * @param [in]     hWnd				Contains the address of the Parent Window
     * @param [in]     hwndCheckBox		contains the address of the check box control
     * 
     */
    
    void CreateCheckBox(HWND phWnd,int y_axis)
    {
    
    		int x_axis,i;
    		char *checkboxnames[]={"Singing","Dancing","Sketching","Drawing"};
    
    
    	//this loop creates the four checkboxes.
    	for(i=ZERO,x_axis=50;i<FOUR;i++,x_axis+=150){
    
    		CreateWindow("Button",checkboxnames[i],WS_CHILD|WS_VISIBLE|BS_AUTOCHECKBOX|WS_TABSTOP,
    			x_axis,390,100,15,phWnd,(HMENU)(IDC_CHECKBOX1+i),ghInstance,NULL);
    
    	}
    }
    
    /**
     * CreateComboBox() used to create Combo Box For first Group Box
     *
     * This continues into the more detailed description of the function.
     * 
     * @param [in]     hWnd		Contains the address of the Window
     *  
     */
    
    void CreateComboBox(HWND phWnd)
    {
    	
    		char	*comboitem[] = {	"SELECT",
    									"MATHS",
    									"BIOLOGY",
    									"COMMERCE",
    		                            "ARTS"      };
    		int		i;
    
    	CreateWindow(	"COMBOBOX",
    					"",
    					CBS_DROPDOWNLIST | WS_CHILD | WS_VISIBLE |WS_TABSTOP|WS_GROUP,				
    					70,
    					100,
    					200,
    					500,
    					phWnd,
    					(HMENU) IDC_COMBOBOX,
    					ghInstance,
    					NULL);
    
    	//Add items in the Combo Box
    	for(i=ZERO;i<FIVE;i++)
    		SendMessage(GetDlgItem(phWnd,IDC_COMBOBOX), CB_ADDSTRING, 0, (LPARAM) comboitem[i]); 
    
    }
    
    /**
     * CreateEditBox() used to create submit and reset button 
     *
     * This continues into the more detailed description of the function.
     * 
     * @param [in]     hWnd				Contains the address of the Window
     * @param [in]     button_no		Contains the Radio button no.
     *   
     */
    
    void CreateEditBox(HWND phWnd)
    {    
    	//CREATES THE EDIT BOX
    	CreateWindow("Edit",NULL,WS_CHILD|WS_VISIBLE |WS_BORDER|WS_GROUP|WS_TABSTOP,700,70,180,40,
    		phWnd,(HMENU)IDC_EDITBOX,  ghInstance,NULL);
    }
    
    /**
     * CreateListBox() used to create List Box
     *
     * This continues into the more detailed description of the function.
     * 
     * @param [in]     hWnd				Contains the address of the Window
     *   
     */
    
    void CreateListBox(HWND phWnd)
    {
    	//CREATES THE LIST BOX
    	CreateWindow("ListBox",NULL,WS_CHILD|WS_VISIBLE |WS_BORDER |WS_VSCROLL ,										              200,480,200,50,phWnd,(HMENU)IDC_LISTBOX,ghInstance,NULL);
    }
    
    /**
     * AddItemsToListBox() used to retrieve text from all the controls and add those in List Box
     *
     * This continues into the more detailed description of the function.
     * 
     * @param [in]     hWnd		Contains the address of the Window
     */
    
    void AddItemsInListBox(HWND phWnd)
    {
    	//CALL FUNCTION TO RETRIEVE THE SELECTED STRING FROM THE COMBO BOX
    	RetrieveTextFromComboBox(phWnd);						
    
    	//CALL FUNCTION TO CHECK THAT WEATHER THE CHECK BOX 1 SELECTD OR N0T
    	checkbox(GetDlgItem(phWnd,IDC_CHECKBOX1),phWnd);	
    
    	//CALL FUNCTION TO CHECK THAT WEATHER THE CHECK BOX 2 IS SELECTD OR N0T
    	checkbox(GetDlgItem(phWnd,IDC_CHECKBOX2),phWnd);	
    
    	//CALL FUNCTION TO CHECK THAT WEATHER THE CHECK BOX 3 IS SELECTD OR N0T
    	checkbox(GetDlgItem(phWnd,IDC_CHECKBOX3),phWnd);		
    
    	//CALL FUNCTION TO CHECK THAT WEATHER THE CHECK BOX 3 IS SELECTD OR N0T
    	checkbox(GetDlgItem(phWnd,IDC_CHECKBOX4),phWnd);		
    												
    	//CALL FUNCTION TO CHECK THAT WEATHER THE RADIO BUTTON 1 OF RADIO GROUP 1 IS SELECTD OR N0T
    	radiocheck(IDC_RADIO11,phWnd);	
    	
    	//CALL FUNCTION TO CHECK THAT WEATHER THE RADIO BUTTON 2 OF RADIO GROUP 1 IS SELECTD OR N0T
    	radiocheck(IDC_RADIO12,phWnd);		
    					
    	//CALL FUNCTION TO CHECK THAT WEATHER THE RADIO BUTTON 3 OF RADIO GROUP 1 IS SELECTD OR N0T
    	radiocheck(IDC_RADIO13,phWnd);		
    						
    	//CALL FUNCTION TO CHECK THAT WEATHER THE RADIO BUTTON 1 OF RADIO GROUP 2 IS SELECTD OR N0T
    	radiocheck(IDC_RADIO21,phWnd);		
    								
    	//CALL FUNCTION TO CHECK THAT WEATHER THE RADIO BUTTON 2 OF RADIO GROUP 2 IS SELECTD OR N0T
    	radiocheck(IDC_RADIO22,phWnd);	
    				
    	//CALL FUNCTION TO CHECK THAT WEATHER THE RADIO BUTTON 3 OF RADIO GROUP 2 IS SELECTD OR N0T
    	radiocheck(IDC_RADIO23,phWnd);
    								
    	//CALL FUNCTION TO CHECK THAT WEATHER THE TEXT IS AVILABLE IN EDIT CONTROL OR N0T
    	EditText(phWnd);
    }
    /**
     * radiocheck() used to check whether or not Radio Buttons are checked
     *
     * This continues into the more detailed description of the function.
     * 
     * @param [in]     hWnd			Contains the address of the Window
     * @param [in]     Button_no	Identifier of Radio Button.
     * 
     */
    
    void radiocheck(int pButton_no,HWND phWnd)
    {
    	
    		char*		edittext;     
    		int			i;
    
    	//RETURN TRUE IF RADIO BUTTON IS SELECTED
    	if(SendMessage( GetDlgItem(phWnd,pButton_no),BM_GETCHECK,0,0) == BST_CHECKED)	{				
    	
    		//Retrieve the length of the text associated with the CheckBox 
    		i = GetWindowTextLength( GetDlgItem(phWnd,pButton_no));
    		
    		//Allocate memory of i length
    		edittext = (char*)calloc(10,(i+1)*sizeof(char));
    		
    		//Retrieve the string associated with the Radio Buttons 
    		GetWindowText( GetDlgItem(phWnd,pButton_no), edittext,i+1);
    		
    		//Add that string in to the List box
    		SendMessage(GetDlgItem(phWnd,IDC_LISTBOX),LB_ADDSTRING,0,(LPARAM) edittext);
    		free(edittext);
    	}	
    }
    
    /**
     * EditText() used to retrieve text from Edit Text control of first group box and add it to the list box
     *
     * This continues into the more detailed description of the function.
     * 
     * @param [in]     hWnd		Contains the address of the Window
     *  
     */
    
    
    
    void EditText(HWND phWnd)
    {
    	
    		char	*edittext;				///<contains the address of the Buffer										
    		
    	//call RetrieveText() to retrieve text from the Edit Control of First Group Box
    	edittext=RetrieveText( GetDlgItem(phWnd,IDC_EDITBOX));
    
    	//add that string in the List box
    	SendMessage(GetDlgItem(phWnd,IDC_LISTBOX),LB_ADDSTRING,0,(LPARAM) edittext);
    	free(edittext);	
    }
    /**
     * RetrieveTextFromComboBox() used to retrieve selected text from combo box
     *
     * This continues into the more detailed description of the function.
     * 
     * @param [in]     hWnd		Contains the address of the Window
     *  
     */
    void RetrieveTextFromComboBox(HWND phWnd)
    {
    	
    		char	*edittext;
    		int		CBIndex;
    
    	(LRESULT) CBIndex = SendMessage(GetDlgItem(phWnd,IDC_COMBOBOX),CB_GETCURSEL,0,0);
    	
    	//checks whether or not any value is selected in the combo box if not retuns -1
    	if (CBIndex != -1) {
    		
    		edittext=RetrieveText( GetDlgItem(phWnd,IDC_COMBOBOX));
    		//ADD THE RETRIEVED TEXT TO THE LIST BOX 
    		SendMessage(GetDlgItem(phWnd,IDC_LISTBOX),LB_ADDSTRING,0,(LPARAM) edittext);
    		
    		free(edittext);
    	}
    }
    
    /**
     * RetrieveText() used to retireve text from th edit control
     *
     * This continues into the more detailed description of the function.
     * 
     * @param [in]     hWnd		Contains the address of the Window
     *
     */
    
    char* RetrieveText(HWND hWnd)
    {
    		char		*edittext;
    		int			textlength;
    
    	
    	//Retrieve text length 
    	(LRESULT) textlength = SendMessage( hWnd,WM_GETTEXTLENGTH,0,0);
    	edittext=(char*)calloc(textlength+1,sizeof(char));
    	
    	//retrieve the string entered in the Edit Control 
    	SendMessage( hWnd,WM_GETTEXT,textlength+1,(LPARAM) edittext);
    
    	return edittext;
    }
    /**
     * checkbox() used to check whether or not check boxes are checked
     *
     * This continues into the more detailed description of the function.
     * 
     * @param [in]     hWnd				Contains the address of the Parent Window
     * @param [in]     hwndCheckBox		contains the address of the check box control
     * 
     */
    
    void checkbox(HWND phwndCheckBox , HWND phWnd)
    {
    		
    		char *		edittext;
    		int			i;
    
    	//RETURN TRUE IF CHECK BOX IS SELECTED
    	if(SendMessage(phwndCheckBox,BM_GETCHECK,0,0)==BST_CHECKED)	{			
    	
    		//retrieve the length of the text associated with the CheckBox 
    		i = GetWindowTextLength(phwndCheckBox);
    		
    		//Allocate memory of i length
    		edittext = (char*)calloc(10,(i+1)*sizeof(char));
    		
    		//retrieve the string associated with the CheckBox 
    		i = GetWindowText( phwndCheckBox, edittext,(i+1) );
    		
    		//add that string in to the List box
    		SendMessage(GetDlgItem( phWnd, IDC_LISTBOX ),LB_ADDSTRING,0,(LPARAM) edittext);
    		
    		free(edittext);
    	}
    }
    
    
     
  2. elec.shabnam

    elec.shabnam New Member

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    i will try to understand this code!!!
     
  3. imrantechi

    imrantechi New Member

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    i feel the code is self explanatary but if you still need some help ,i will surely help you
     
  4. crazytolearn57

    crazytolearn57 New Member

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    can you please explain me what this code actually does
     
  5. imrantechi

    imrantechi New Member

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  6. imrantechi

    imrantechi New Member

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    in this code what i hav ebasically tried to do is that ,

    i have tried showing the creation of the various controls.
     
  7. imrantechi

    imrantechi New Member

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    at the beginning , i have checked where there already exists a window .if so we do all our creations on that itself .

    else we create a new window through cretae window.it consists of 12 fields.
    you can further refer to msdn for it
     
  8. imrantechi

    imrantechi New Member

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    then there is a window proc function .this is a window procedure.

    in this we firstly create all the controls whatever we want.

    you can find the creation of all the controls in the create control block.
     
  9. imrantechi

    imrantechi New Member

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    this code is just a model for all the controls
     
  10. imrantechi

    imrantechi New Member

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    if you need any further help ,please feel free to ask me
     
  11. tyretyu

    tyretyu New Member

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    hi your code is really helpful
     
  12. tyretyu

    tyretyu New Member

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    i tried some controls ,but some times they are not visible.
    can you please help me why
     
  13. imrantechi

    imrantechi New Member

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    thanks
     
  14. imrantechi

    imrantechi New Member

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    i feel may be you are nor giving proper coordinates please check them
     
  15. shabbir

    shabbir Administrator Staff Member

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  16. debleena_doll2002

    debleena_doll2002 New Member

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  17. aisha.ansari84

    aisha.ansari84 New Member

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    this is a real nice and self explanatory one
     
  18. flyingfor

    flyingfor New Member

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    Nice !!! working code
     
  19. parvez.yu

    parvez.yu New Member

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    i got all the controls here
     
  20. bashamsc

    bashamsc New Member

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    Nice article.
     

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