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In a dialog box-based program, a task is to change the background of the edit box control. What should I do? The implementation idea is as follows. When the child control is to be drawn, wm_ctlcolor will be sent to the parent class (the main window here) Message. In the parent class (here is the main window), the response wm_ctlcolor is sent based on the message. The specific code is as follows: CBrush m_brush; m_brush.CreateSolidBrush(RGB(0, 0, 255)); HBRUSH CMy112Dlg::OnCtlColor(CDC* pDC, C

* PDC, cwnd* pWnd, UINT nCtlColor) { Hbrush HBR = Cdialog::onctlcolor (PDC, PWnd, nCtlColor); if ((nCtlColor = = Ctlcolor_edit) (Pwnd->getdlgctrlid () ==idc_edit)) { Pdc->setbkmode (TRANSPARENT); //Set background transparent, so that when the output character is is the so-called hollow word, instead of having a white background Pdc->settextcolor (RGB (255,0,0)); //Change the color of the font Return Hbrus

; bmp. loadBitmap (IDB_BITMAP2); m_brBk.CreatePatternBrush ( bmp); bmp. deleteObject (); return TRUE; // return TRUE unless you set the focus to a control} in the Open Class Wizard, find the WM_CTLCOLOR message, reload the corresponding function OnCtlColor (), add as follows: HBRUSH CTestDlg: OnCtlColor (CDC * pDC, CWnd * pWnd, UINT nCtlColor) {HBRUSH hbr = CDialog: OnCtlColor (pDC, pWnd, nCtlColor); if (pWnd = this) {return m_brBk;} return

First load an image with ID idb_bitmap2 In testdlg. h: Cbrush m_brbk; // defined in public In testdlg. cpp: Add the following to the oninitdialog () initialization function: Bool ctestdlg: oninitdialog () { Cdialog: oninitdialog (); Cbitmap BMP; BMP. loadbitmap (idb_bitmap2 ); M_brbk.createpatternbrush ( BMP ); BMP. deleteobject (); Return true; // return true unless you set the focus to a control } Open the Class Wizard and find the wm_ctlcolor message. The onctlcolor () function is reloaded

M_list.AddString (GetItem (I ));}} 5. Add the button ("set Color") Response Function to set the Color attribute of the control.Void CToppPropPage: OnButtonSetcolor (){// TODO: Add your control notification handler code hereCColorDialog dlg;If (dlg. DoModal () = IDOK ){Long lcolor = dlg. GetColor ();SetPropText ("Color", lcolor );GetDlgItem (IDC_STATIC_COLOR)-> Invalidate ();}} 6. Add the WM_CTLCOLOR message response function, obtain the Color attribute of the control in the function, and use th

C/C ++ codeCimagelist imglist; // sets an image list for clistctrl to set the Row Height.Imglist. Create (idb_bitmap4, 16, 1, RGB (255,255,255); // idb_bitmap4 is 16*16, so the row height is 16 pixels. Clistctrl listctrl = (clistctrl ) getlistctrl ();Listctrl. setimagelist ( imglist, lvsil_small ); I have only used this method at present. There may be other methods, which may be troublesome. // Self-Summary In oninitial: M_clistresult.setitemheight (0, 30 ); Hbrush cate1368manufocusdlg: onctlco

ctestdlg: oninitdialog (){Cdialog: oninitdialog ();Cbitmap BMP;BMP. loadbitmap (idb_bitmap2 );M_brbk.createpatternbrush ( BMP );BMP. deleteobject ();Return true; // return true unless you set the focus to a control}In the Open Class Wizard, find the wm_ctlcolor message, reload the corresponding function onctlcolor (), and add the following:Hbrush ctestdlg: onctlcolor (CDC * PDC, cwnd * pwnd, uint nctlcolor){Hbrush HBr = cdialog: onctlcolor (PDC, pwnd

nctlcolor){Hbrush HBr = cdialog: onctlcolor (PDC, pwnd, nctlcolor );If (pwnd-> getdlgctrlid () = idc_static ){If (this-> color) PDC-> setbkcolor (this-> color );PDC-> settextcolor (0x333333 );}Return HBr;} Here we mainly want to determine whether pwnd is the static one we want to set. Finally, we add code in the button and click the button to change the static state. Void csxdlg: onbutton1 (){This-> font =

The cwnd: onctlcolor function is provided in the MFC class library. This function is called when the child window of the working framework is re-painted. therefore, you can reload the response function of the wm_ctlcolor message. prototype of this function: Afx_msg hbrush onctlcolor (CDC * PDC, cwnd * pwnd, uint nctlcolor ); The nctlcolor parameter is used to specify the control type, which can be: . Ctlcolor_btn button control . Ctlcolor_dlg dialog box . Ctlcolor_edit edit box . Ctlcolor_listbo

Use of the VC picture control Method 1. First, use the picture control to implement it in the simplest way. Steps: Import an image in the resource with the ID idb_bitmap2 Then, add a picture control in the dialog box and right-click to open properties, Select bitmap from the type drop-down box, and an image drop-down box will appear below, After the image is opened, all the loaded images are displayed, Select the image you want and run the program. Method 2vc picture control. Similarly, load an

();}//************************************** * ************************************ 83. coloring of the dialog box Control// Process the wm_ctlcolor messageHbrush cdlgsetting: onctlcolor (CDC * PDC, cwnd * pwnd, uint nctlcolor){Hbrush HBr = cdialog: onctlcolor (PDC, pwnd, nctlcolor );// Todo: change any attributes of the DC hereIf (idc_line_style = pwnd-> getdlgctrlid () // linear control coloring{PDC-> settextcolor (RGB (255, 0, 0 ));PDC-> setbkmode

：Code:1. Load bitmap in the dialog initialization function OnInitDialog, and then create a new paint brush.Cbitmapdemodlgメッセージハンドラーbool Cbitmapdemodlg::oninitdialog () {cdialogex::oninitdialog ();//"バージョン ..." メニューをシステムメニューに Append します. Idm_aboutboxは, システムコマンドの range girth になければなりません. ASSERT ((Idm_aboutbox 0xfff0) = = Idm_aboutbox); ASSERT (Idm_aboutbox 2. Add a response function for Windows message wm_ctlcolor.Hbrush Cbitmapdemodlg::onctlcolor (cdc* PDC, cwnd* pWnd, UINT nctlcolor) {hbrush

("this is a test ")); Or: Getdlgitem (idc_edit1)-> setwindowtext ("sdfsa ");Getdlgitem (idc_static1)-> setwindowtext ("sdfsa "); The following continues .... //////////////////////////////////////// //////////// //////////////////////////////////////// ///////////// 1. Set the cedit background color You need to add a message function: Hbrush ceditdlg: onctlcolor (CDC * PDC, cwnd * pwnd, uint nctlcolor){Hbrush HBr = cdialog: onctlcol

Label: static text Idc_showtime is the ID of the edit box. M_showtime is the variable in the static edit box. 1. In DLG. h Cbrush m_showtimebrush; Cfont m_editfont; // font 2. oninitdialog () M_showtimebrush.createsolidbrush (RGB (204,0, 204); // edit the background color of the box.Cedit * m_editaa = (cedit *) getdlgitem (idc_showtime); // idc_showtime is the edit box ID.M_editfont.createpointfont (220, _ T (""); // select the fontM_editaa-> setfont ( m_editfont ); 3. Add onctlcolor in the Clas

Old brother has such a ready-madeProgram, The function is not much more than yours: It adds the function of changing to red, which is relatively simple:1 define a hand-shaped mouse Resource:# Ifndef idc_hand# Define idc_hand makeintresource (32649)# Endif2. Define the font color switch bool m_bcolorswitchopened. If it is not true, the font turns red and the initialization value is false,3. Define the offline function to facilitate calling. Void cctmpdlg: addline () {crect rect; cstatic * sta =

1. Add the font and color variable [cpp] public: CFont m_myFont; // font object COLORREF m_myColor; // color object 2. initialize the OnInitDialog () function in the dialog box () initialize the font and color [cpp] // TODO: add additional initialization code m_myFont.CreatePointFont (150, _ T (" 文 "); m_myColor = RGB (255, 0,255); 3. Add the WM_CTLCOLOR message response function for the dialog box class, and add the Code [cpp] afx_msg HBRUSH OnCtlColor (CDC * pDC, CWnd * pWnd, UINT nCtlColor);

. LoadBitmap (IDB_BITMAP2);M_brbk.createpatternbrush (bmp);Bmp. DeleteObject ();...return TRUE; Return TRUE unless you set the focus to a control}In the Open Class Wizard, locate the WM_CTLCOLOR message, overload the corresponding function OnCtlColor (), and add the following:Hbrush Ctestdlg::onctlcolor (cdc* PDC, cwnd* pWnd, UINT nCtlColor){Hbrush HBR = Cdialog::onctlcolor (PDC, PWnd, nCtlColor);if (pWnd = = this){return M_BRBK;}return

)); 1234567 onctlcolor (cdc* pdc, cwnd* pwnd, Code class= "CPP Color1 bold" >uint nctlcolor) Code class= "CPP Plain" >{ /* downlink code to comment out NBSP;NBSP;NBSP;NBSP;NBSP; hbrush hbr = Cdialog::onctlcolor (pDC, pwnd, nCtlColor); */ return m_brush; Code class= "CPP Comments" >//back add red brush } Method Four: or overload OnCtlColor (cdc* PDC, cwnd* pWnd, UINT nCtlColor), which is the WM_CTLCOL

::OnInitDialog ();CBitmap bmp;Bmp. LoadBitmap (IDB_BITMAP2);M_brbk.createpatternbrush (bmp);Bmp. DeleteObject ();return TRUE; Return TRUE unless you set the focus to a control}In the Open Class Wizard, locate the WM_CTLCOLOR message, overload the corresponding function OnCtlColor (), and add the following:Hbrush Ctestdlg::onctlcolor (cdc* PDC, cwnd* pWnd, UINT nCtlColor){Hbrush HBR = Cdialog::onctlcolor (PDC, PWnd, nCtlColor);if (pWnd = = this){return

Re-on_wm_paint (), On_wm_ctlcolor () the corresponding function of the message OnPaint (), OnCtlColor () (i) OnPaint () Cdialogex::onpaint (); CRect rect; CPaintDC DC (this); GetClientRect (rect); dc. Fillsolidrect (Rect, RGB (217, 241)); Set to light blue background(ii) OnCtlColor () Hbrush HBR = Cdialogex::onctlcolor (PDC, pwnd, nCtlColor); TODO: Change any features of the DC here if (nCtlColor = ctlcolor_btn