showwindow

#019 if (!hwnd)#020 {#021 return FALSE;#022}#023#024 ShowWindow (hWnd, ncmdshow);#025 UpdateWindow (hWnd);#026#027//#028//Cai Junsheng2007/07/14#029//Show form Test. #030 MessageBox (null,_t ("maximized"), _t ("Test"), MB_OK);#031#032//displays the form as maximized. #033 ShowWindow (hWnd, sw_showmaximized);#034#035#036 MessageBox (null,_t ("Original Location"), _t ("Test"), MB_OK);#037#038//The Display for

#019 if (!hwnd)#020 {#021 return FALSE;#022}#023#024 ShowWindow (hWnd, ncmdshow);#025 UpdateWindow (hWnd);#026#027//#028//Cai Junsheng2007/07/14#029//Show form Test. #030 MessageBox (null,_t ("maximized"), _t ("Test"), MB_OK);#031#032//displays the form as maximized. #033 ShowWindow (hWnd, sw_showmaximized);#034#035#036 MessageBox (null,_t ("Original Location"), _t ("Test"), MB_OK);#037#038//The Display for

An unhandled exception at XX: 0xC0000005: Access conflict occurs when the read location is 0x00000020. This exception is often encountered during the debugging of the mfc program. At the beginning, I didn't know how to deal with the problem. Later I encountered more times and found that this problem is generally easy to find the cause. For example, the following dialog box contains an edit box control and two button controls, one for hiding the edit box and the other for displaying the edit bo

The API function ShowWindow is used to set the display state of the form. The prototype declaration is as follows:BOOL ShowWindow (HWND hwnd,//Handle to Windowint nCmdShow//show State);The first parameter hWnd specifies a handle to the window to be set. The second parameter specifies a predefined constant, with the following values:Sw_forceminimize:Windows 2000/xp:minimizes A window, even if the thread that

When using the ShowWindow method to set the state of the form, because you do not know the parameter value, it is very easy to use confusion, so the following parameters of the enumeration values, convenient for later use. Public classUser32api {#regionShowWindow parameter enumeration for method form state/// ///hide windows and activate other Windows/// Public Const intSw_hide =0; /// ///activates and displays a window. If th

,cframewnd::rectdefault,this,nform,context); Pnewactiveview->updatedata (); } SetActiveView (Pnewactiveview); 2 Pnewactiveview->showwindow (Sw_show); 3 Poldactiveview->showwindow (Sw_hide); if (Poldactiveview->getruntimeclass () ==runtime_class (CView1))//4 Poldactiveview->setdlgctrlid (IDD_FORMVIEW1); else if (Poldactiveview->getruntimeclass () ==runtime_class (CVIEW2))

nresult) to the cresult class is as follows:Void cresult: setresultvalue (INT nresult)...{M_nresult = nresult;}8. Add the following code to the oninitdialog initialization function in the idd_mytab_dialog dialog box:// In the join dialog box, set the idc_tabtest control as the parent window.M_para1.create (idd_para1, getdlgitem (idc_tabtest ));M_para2.create (idd_para2, getdlgitem (idc_tabtest ));M_result.create (idd_result, getdlgitem (idc_tabtest )); // Obtain the size of the idc_tabtest clie

.showwindow (true );M_para2.showwindow (false );M_result.showwindow (false ); // Set the default TabM_tab.setcursel (0 ); 9. Add the tcn_selchange Event Response Function onselchangetabtest (nmhdr * pnmhdr, lresult * presult) of the tab control. The function body code is as follows: Int cursel = m_tab.getcursel ();Switch (cursel)...{Case 0:M_para1.showwindow (tr

1. Hide the task barvar H:thandle; VariableH:=findwindow (' Shell_traywnd ', nil);ShowWindow (H,sw_hide);2. Display the task barH:=findwindow (' Shell_traywnd ', nil);ShowWindow (h,sw_show);3. How to invoke the API function in Delphi so that the task is not displayed in the taskbarSetWindowLong (Application.handle,gwl_exstyle,ws_ex_toolwindow);ShowWindow (Applica

used, it is associated with the document class; 2. Change the activity view; 3. display the new view and hide the old view; 4. Set the Control ID; 5. Adjust the framework view. Void CMainFrame: SwitchToForm (int nForm){CView * pOldActiveView = GetActiveView (); // 1CView * pNewActiveView = (CView *) GetDlgItem (nForm );If (NULL = pNewActiveView){Switch (nForm){Case IDD_FORMVIEW1:PNewActiveView = (CView *) new CView1;Break;Case IDD_FORMVIEW2:PNewActiveView = (CView *) new CView2;Break;Case IDD_F

with the document class; 2. Change the activity view; 3. display the new view and hide the old view; 4. Set the Control ID; 5. Adjust the framework view. Void CMainFrame: SwitchToForm (int nForm){CView * pOldActiveView = GetActiveView (); // 1CView * pNewActiveView = (CView *) GetDlgItem (nForm );If (NULL = pNewActiveView){Switch (nForm){Case IDD_FORMVIEW1:PNewActiveView = (CView *) new CView1;Break;Case IDD_FORMVIEW2:PNewActiveView = (CView *) new CView2;Break;Case IDD_FORMVIEW3:PNewActiv

idc_tabtest client area size CRect RS; M_tab. GetClientRect (RS); Adjusts the position of the Child dialog box in the parent window rs.top+=1; rs.bottom-=60; Rs.left+=1; rs.right-=2; Sets the child dialog box dimensions and moves to the specified location M_PARA1. MoveWindow (RS); M_para2. MoveWindow (RS); M_result. MoveWindow (RS); Set the hide and display m_para1 separately. ShowWindow (TRUE); M_para2. ShowWi