2. 程式人生 > >MFC 實現richedit右鍵選單的複製貼上功能

MFC 實現richedit右鍵選單的複製貼上功能

阿新 • • 發佈：2019-01-23
//滑鼠右鍵響應函式
void CMSR009BTDlg::OnContextMenu(CWnd* pWnd, CPoint point) 
{
// TODO: Add your message handler code here
CMenu popMenu;
CRect rect1,rect2,rect3;//定義矩形區域
int k=0;


if(MyDevFound)
{
TrackSelect1 = NoSelect;//編輯框右鍵選擇
TrackSelect2 = NoSelect;//編輯框右鍵選擇
TrackSelect3 = NoSelect;//編輯框右鍵選擇


GetDlgItem(IDC_EDIT_Track1)->GetWindowRect(&rect1);//獲取控制元件區域的矩形
GetDlgItem(IDC_EDIT_Track2)->GetWindowRect(&rect2);//獲取控制元件區域的矩形
GetDlgItem(IDC_EDIT_Track3)->GetWindowRect(&rect3);//獲取控制元件區域的矩形


if(rect1.PtInRect(point))
{
TrackSelect1 = EditSelect;
}
else if(rect2.PtInRect(point))
{
TrackSelect2 = EditSelect;
}
else if(rect3.PtInRect(point))
{
TrackSelect3 = EditSelect;
}


if((TrackSelect1 == EditSelect)||(TrackSelect2 == EditSelect)||(TrackSelect3 == EditSelect))
{
CMenu *pPopup;
popMenu.LoadMenu(IDR_MENU1); //載入選單

pPopup=popMenu.GetSubMenu(0); //獲得子選單指標


pPopup->EnableMenuItem(ID_Copy,MF_BYCOMMAND|MF_ENABLED); //允許選單項使用
pPopup->EnableMenuItem(ID_Paste,MF_BYCOMMAND|MF_ENABLED); //允許選單項使用
pPopup->EnableMenuItem(ID_Select,MF_BYCOMMAND|MF_ENABLED); //允許選單項使用
pPopup->EnableMenuItem(ID_Deselect,MF_BYCOMMAND|MF_ENABLED); //允許選單項使用
//pPopup->EnableMenuItem(ID_3,MF_BYCOMMAND|MF_DISABLED|MF_GRAYED); //不允許選單項使用


//ClientToScreen(&point); //將客戶區座標轉換成螢幕座標
pPopup->TrackPopupMenu(TPM_LEFTALIGN|TPM_RIGHTBUTTON,point.x,point.y,this); //顯示彈出選單，引數依次為(滑鼠在選單左邊|跟蹤右鍵，x，y，this)
pPopup->Detach();
popMenu.DestroyMenu();
}
}
}


//複製編輯框資料
void CMSR009BTDlg::OnCopyData()
{       
char cData[255] = {0};
intMaxsize = 255;
int track1len,track2len,track3len;


if(TrackSelect1 == EditSelect)
{
//滑鼠拖選
((CEdit *)GetDlgItem(IDC_EDIT_Track1))->GetSel(WrtieTrack1.Start, WrtieTrack1.End);
memset(cData,0,sizeof(cData));
track1len = m_ctrlTrack1.GetWindowText((char*)cData,Maxsize);

if(WrtieTrack1.End > track1len)
{
WrtieTrack1.End = track1len;
}
GetDlgItem(IDC_EDIT_Track1)->GetWindowText(WrtieTrack1.Allstring);
WrtieTrack1.Editdtring = WrtieTrack1.Allstring.Left(WrtieTrack1.End).Right(WrtieTrack1.End - WrtieTrack1.Start);
}
else if(TrackSelect2 == EditSelect)
{
//滑鼠拖選
((CEdit *)GetDlgItem(IDC_EDIT_Track2))->GetSel(WrtieTrack2.Start, WrtieTrack2.End);
memset(cData,0,sizeof(cData));
track2len = m_ctrlTrack2.GetWindowText((char*)cData,Maxsize);

if(WrtieTrack2.End > track2len)
{
WrtieTrack2.End = track2len;
}
GetDlgItem(IDC_EDIT_Track2)->GetWindowText(WrtieTrack2.Allstring);
WrtieTrack2.Editdtring = WrtieTrack2.Allstring.Left(WrtieTrack2.End).Right(WrtieTrack2.End - WrtieTrack2.Start);
}
else if(TrackSelect3 == EditSelect)
{
//滑鼠拖選
((CEdit *)GetDlgItem(IDC_EDIT_Track3))->GetSel(WrtieTrack3.Start, WrtieTrack3.End);
memset(cData,0,sizeof(cData));
track3len = m_ctrlTrack3.GetWindowText((char*)cData,Maxsize);

if(WrtieTrack3.End > track3len)
{
WrtieTrack3.End = track3len;
}
GetDlgItem(IDC_EDIT_Track3)->GetWindowText(WrtieTrack3.Allstring);
WrtieTrack3.Editdtring = WrtieTrack3.Allstring.Left(WrtieTrack3.End).Right(WrtieTrack3.End - WrtieTrack3.Start);
}


//文字內容儲存在source變數中,複製到貼上板中
if(OpenClipboard())
{
HGLOBAL clipbuffer;
char * buffer;


EmptyClipboard();


if(TrackSelect1 == EditSelect)
{
clipbuffer = GlobalAlloc(GMEM_DDESHARE, WrtieTrack1.Editdtring.GetLength()+1);
buffer = (char*)GlobalLock(clipbuffer);
strcpy(buffer, LPCSTR(WrtieTrack1.Editdtring));
}
else if(TrackSelect2 == EditSelect)
{
clipbuffer = GlobalAlloc(GMEM_DDESHARE, WrtieTrack2.Editdtring.GetLength()+1);
buffer = (char*)GlobalLock(clipbuffer);
strcpy(buffer, LPCSTR(WrtieTrack2.Editdtring));
}
else if(TrackSelect3 == EditSelect)
{
clipbuffer = GlobalAlloc(GMEM_DDESHARE, WrtieTrack3.Editdtring.GetLength()+1);
buffer = (char*)GlobalLock(clipbuffer);
strcpy(buffer, LPCSTR(WrtieTrack3.Editdtring));
}


GlobalUnlock(clipbuffer);
SetClipboardData(CF_TEXT,clipbuffer);
CloseClipboard();
}
}


//貼上資料到編輯框
void CMSR009BTDlg::OnPasteData()
{    
int track1len,track2len,track3len;
char cData[255] = {0};
intMaxsize = 255;
char * buffer = NULL;
//開啟剪貼簿
CString fromClipboard;


if(OpenClipboard())
{
HANDLE hData = GetClipboardData(CF_TEXT);
char * buffer = (char*)GlobalLock(hData);
fromClipboard = buffer;
GlobalUnlock(hData);
CloseClipboard();
}


CHARFORMAT cf; 
ZeroMemory(&cf, sizeof(CHARFORMAT)); 
cf.cbSize = sizeof(CHARFORMAT); 
cf.dwMask = CFM_BOLD | CFM_COLOR | CFM_FACE | CFM_ITALIC | CFM_SIZE | CFM_UNDERLINE; 
cf.dwEffects = 0; 


if(TrackSelect1 == EditSelect)
{
m_ctrlTrack1.Paste();

if(m_brush1 != NULL)
{
m_brush1 = NULL;
track1len = m_ctrlTrack1.GetWindowText((char*)cData,Maxsize);
m_ctrlTrack1.SetSel(0, track1len); //設定處理區域
m_ctrlTrack1.SetSelectionCharFormat(cf);
m_ctrlTrack1.SetSel(track1len,track1len); //設定處理區域
}
}
else if(TrackSelect2 == EditSelect)
{
m_ctrlTrack2.Paste();

if(m_brush2 != NULL)
{
m_brush2 = NULL;
track2len = m_ctrlTrack2.GetWindowText((char*)cData,Maxsize);
m_ctrlTrack2.SetSel(0, track2len); //設定處理區域
m_ctrlTrack2.SetSelectionCharFormat(cf);
m_ctrlTrack2.SetSel(track2len,track2len); //設定處理區域
}
}
else if(TrackSelect3 == EditSelect)
{
m_ctrlTrack3.Paste();

if(m_brush3 != NULL)
{
m_brush3 = NULL;
track3len = m_ctrlTrack3.GetWindowText((char*)cData,Maxsize);
m_ctrlTrack3.SetSel(0, track3len); //設定處理區域
m_ctrlTrack3.SetSelectionCharFormat(cf);
m_ctrlTrack3.SetSel(track3len,track3len); //設定處理區域
}
}
}


//選擇資料
void CMSR009BTDlg::OnSelectData()
{   
    char cData[255] = {0};
intMaxsize = 255;
int track1len,track2len,track3len;
int i,j;


if(TrackSelect1 == EditSelect)
{
((CEdit *)GetDlgItem(IDC_EDIT_Track1))->GetSel(WrtieTrack1.Start, WrtieTrack1.End);
memset(cData,0,sizeof(cData));
track1len = m_ctrlTrack1.GetWindowText((char*)cData,Maxsize);

if(WrtieTrack1.End > track1len)
{
WrtieTrack1.End = track1len;
}
GetDlgItem(IDC_EDIT_Track1)->GetWindowText(WrtieTrack1.Allstring);
WrtieTrack1.Editdtring = WrtieTrack1.Allstring.Left(WrtieTrack1.End).Right(WrtieTrack1.End - WrtieTrack1.Start);


//----------------------------------//
if(WrtieTrack1.Start !=  WrtieTrack1.End)
{
j = WrtieTrack1.End - WrtieTrack1.Start;
if(j > 9)
{
SetDlgItemText(IDC_MessageTxet,WrtieTrack1.Editdtring);
MessageBox("(Message) The selected  number of track1 can not be more than 9 digits","Notion",MB_OK);
m_brush1 = NULL;
m_brush2 = NULL;
m_brush3 = NULL;


((CEdit *)GetDlgItem(IDC_EDIT_Track1))->SetSel(-1, 0);
((CEdit *)GetDlgItem(IDC_EDIT_Track2))->SetSel(-1, 0);
((CEdit *)GetDlgItem(IDC_EDIT_Track3))->SetSel(-1, 0);
Invalidate();


return;
}
for(i=0;i<j;i++)
{
if((WrtieTrack1.Editdtring[i] < '0') || (WrtieTrack1.Editdtring[i] > '9'))
{
m_brush1 = NULL;
m_brush2 = NULL;
m_brush3 = NULL;


((CEdit *)GetDlgItem(IDC_EDIT_Track1))->SetSel(-1, 0);
((CEdit *)GetDlgItem(IDC_EDIT_Track2))->SetSel(-1, 0);
((CEdit *)GetDlgItem(IDC_EDIT_Track3))->SetSel(-1, 0);
Invalidate();
SetDlgItemText(IDC_MessageTxet,WrtieTrack1.Editdtring);
MessageBox("(Message) The selected data of track1 can only choose digits!","Notion",MB_OK);
return;
}
}
if (m_brush1)
DeleteObject(m_brush1); 
m_brush1 = CreateSolidBrush(RGB(200, 200, 255)); // 根據需要設定


GetDlgItem(IDC_EDIT_Track1)->SetWindowText(WrtieTrack1.Allstring);
((CEdit *)GetDlgItem(IDC_EDIT_Track1))->SetSel(WrtieTrack1.Start, WrtieTrack1.End);
m_ctrlTrack1.SetFocus();
Invalidate();

CHARFORMAT cf; 
ZeroMemory(&cf, sizeof(CHARFORMAT)); 
cf.cbSize = sizeof(CHARFORMAT); 
cf.dwMask = CFM_BOLD | CFM_COLOR | CFM_FACE | CFM_ITALIC | CFM_SIZE | CFM_UNDERLINE; 
cf.dwEffects = 0; 
cf.crTextColor = RGB(255, 0, 0); //文字顏色
m_ctrlTrack1.SetSel(WrtieTrack1.Start, WrtieTrack1.End); //設定處理區域
m_ctrlTrack1.SetSelectionCharFormat(cf);
m_ctrlTrack1.EnableWindow(false);
}
}
else if(TrackSelect2 == EditSelect)
{
((CEdit *)GetDlgItem(IDC_EDIT_Track2))->GetSel(WrtieTrack2.Start, WrtieTrack2.End);
memset(cData,0,sizeof(cData));
track2len = m_ctrlTrack2.GetWindowText((char*)cData,Maxsize);

if(WrtieTrack2.End > track2len)
{
WrtieTrack2.End = track2len;
}
GetDlgItem(IDC_EDIT_Track2)->GetWindowText(WrtieTrack2.Allstring);
WrtieTrack2.Editdtring = WrtieTrack2.Allstring.Left(WrtieTrack2.End).Right(WrtieTrack2.End - WrtieTrack2.Start);


//--------------------------//
if(WrtieTrack2.Start !=  WrtieTrack2.End)
{
j = WrtieTrack2.End - WrtieTrack2.Start;
if(j > 9)
{
m_brush1 = NULL;
m_brush2 = NULL;
m_brush3 = NULL;


((CEdit *)GetDlgItem(IDC_EDIT_Track1))->SetSel(-1, 0);
((CEdit *)GetDlgItem(IDC_EDIT_Track2))->SetSel(-1, 0);
((CEdit *)GetDlgItem(IDC_EDIT_Track3))->SetSel(-1, 0);
Invalidate();
SetDlgItemText(IDC_MessageTxet,WrtieTrack2.Editdtring);
MessageBox("(Message) The selected  number of track2 can not be more than 9 digits","Notion",MB_OK);
return;
}
for(i=0;i<j;i++)
{
if((WrtieTrack2.Editdtring[i] < '0') || (WrtieTrack2.Editdtring[i] > '9'))
{
m_brush1 = NULL;
m_brush2 = NULL;
m_brush3 = NULL;


((CEdit *)GetDlgItem(IDC_EDIT_Track1))->SetSel(-1, 0);
((CEdit *)GetDlgItem(IDC_EDIT_Track2))->SetSel(-1, 0);
((CEdit *)GetDlgItem(IDC_EDIT_Track3))->SetSel(-1, 0);
Invalidate();
SetDlgItemText(IDC_MessageTxet,WrtieTrack2.Editdtring);
MessageBox("(Message) The selected data of track2 can only choose digits!","Notion",MB_OK);
return;
}
}


if (m_brush2)
DeleteObject(m_brush2); 
m_brush2 = CreateSolidBrush(RGB(200, 200, 255)); // 根據需要設定


GetDlgItem(IDC_EDIT_Track2)->SetWindowText(WrtieTrack2.Allstring);
((CEdit *)GetDlgItem(IDC_EDIT_Track2))->SetSel(WrtieTrack2.Start, WrtieTrack2.End);
m_ctrlTrack2.SetFocus();
Invalidate();

CHARFORMAT cf; 
ZeroMemory(&cf, sizeof(CHARFORMAT)); 
cf.cbSize = sizeof(CHARFORMAT); 
cf.dwMask = CFM_BOLD | CFM_COLOR | CFM_FACE | CFM_ITALIC | CFM_SIZE | CFM_UNDERLINE; 
cf.dwEffects = 0; 
cf.crTextColor = RGB(255, 0, 0); //文字顏色
m_ctrlTrack2.SetSel(WrtieTrack2.Start, WrtieTrack2.End); //設定處理區域
m_ctrlTrack2.SetSelectionCharFormat(cf);
m_ctrlTrack2.EnableWindow(false);
}
}
else if(TrackSelect3 == EditSelect)
{
((CEdit *)GetDlgItem(IDC_EDIT_Track3))->GetSel(WrtieTrack3.Start, WrtieTrack3.End);
memset(cData,0,sizeof(cData));
track3len = m_ctrlTrack3.GetWindowText((char*)cData,Maxsize);

if(WrtieTrack3.End > track3len)
{
WrtieTrack3.End = track3len;
}
GetDlgItem(IDC_EDIT_Track3)->GetWindowText(WrtieTrack3.Allstring);
WrtieTrack3.Editdtring = WrtieTrack3.Allstring.Left(WrtieTrack3.End).Right(WrtieTrack3.End - WrtieTrack3.Start);


//----------------------//
if(WrtieTrack3.Start !=  WrtieTrack3.End)
{
j = WrtieTrack3.End - WrtieTrack3.Start;
if(j > 9)
{
m_brush1 = NULL;
m_brush2 = NULL;
m_brush3 = NULL;


((CEdit *)GetDlgItem(IDC_EDIT_Track1))->SetSel(-1, 0);
((CEdit *)GetDlgItem(IDC_EDIT_Track2))->SetSel(-1, 0);
((CEdit *)GetDlgItem(IDC_EDIT_Track3))->SetSel(-1, 0);
Invalidate();
SetDlgItemText(IDC_MessageTxet,WrtieTrack3.Editdtring);
MessageBox("(Message) The selected  number of track3 can not be more than 9 digits","Notion",MB_OK);
return;
}
for(i=0;i<j;i++)
{
if((WrtieTrack3.Editdtring[i] < '0') || (WrtieTrack3.Editdtring[i] > '9'))
{
m_brush1 = NULL;
m_brush2 = NULL;
m_brush3 = NULL;


((CEdit *)GetDlgItem(IDC_EDIT_Track1))->SetSel(-1, 0);
((CEdit *)GetDlgItem(IDC_EDIT_Track2))->SetSel(-1, 0);
((CEdit *)GetDlgItem(IDC_EDIT_Track3))->SetSel(-1, 0);
Invalidate();
SetDlgItemText(IDC_MessageTxet,WrtieTrack3.Editdtring);
MessageBox("(Message) The selected data of track3 can only choose digits!","Notion",MB_OK);
return;
}
}


if (m_brush3)
DeleteObject(m_brush3); 
m_brush3 = CreateSolidBrush(RGB(200, 200, 255)); // 根據需要設定


GetDlgItem(IDC_EDIT_Track3)->SetWindowText(WrtieTrack3.Allstring);
((CEdit *)GetDlgItem(IDC_EDIT_Track3))->SetSel(WrtieTrack3.Start, WrtieTrack3.End);
m_ctrlTrack3.SetFocus();
Invalidate();

CHARFORMAT cf; 
ZeroMemory(&cf, sizeof(CHARFORMAT)); 
cf.cbSize = sizeof(CHARFORMAT); 
cf.dwMask = CFM_BOLD | CFM_COLOR | CFM_FACE | CFM_ITALIC | CFM_SIZE | CFM_UNDERLINE; 
cf.dwEffects = 0; 
cf.crTextColor = RGB(255, 0, 0); //文字顏色
m_ctrlTrack3.SetSel(WrtieTrack3.Start, WrtieTrack3.End); //設定處理區域
m_ctrlTrack3.SetSelectionCharFormat(cf);
m_ctrlTrack3.EnableWindow(false);
}
}


if((WrtieTrack1.Start ==  WrtieTrack1.End) && (WrtieTrack2.Start ==  WrtieTrack2.End) && (WrtieTrack3.Start ==  WrtieTrack3.End))
{
MessageBox("Did not select any data!","Notion",MB_OK);
}
}


void CMSR009BTDlg::OnDeselectData()
{  
CHARFORMAT cf; 
ZeroMemory(&cf, sizeof(CHARFORMAT)); 
cf.cbSize = sizeof(CHARFORMAT); 
cf.dwMask = CFM_BOLD | CFM_COLOR | CFM_FACE | CFM_ITALIC | CFM_SIZE | CFM_UNDERLINE; 
cf.dwEffects = 0; 


if(TrackSelect1 == EditSelect)
{
m_ctrlTrack1.EnableWindow(true);
WrtieTrack1.Start = 0;
WrtieTrack1.End = 0;
WrtieTrack1.Editdtring = "";
WrtieTrack1.Allstring = "";


m_brush1 = NULL;
m_ctrlTrack1.SetSel(0, 200); //設定處理區域
m_ctrlTrack1.SetSelectionCharFormat(cf);
m_ctrlTrack1.SetSel(0,0); //設定處理區域
}
else if(TrackSelect2 == EditSelect)
{
m_ctrlTrack2.EnableWindow(true);
WrtieTrack2.Start = 0;
WrtieTrack2.End = 0;
WrtieTrack2.Editdtring = "";
WrtieTrack2.Allstring = "";


m_brush2 = NULL;
m_ctrlTrack2.SetSel(0, 200); //設定處理區域
m_ctrlTrack2.SetSelectionCharFormat(cf);
m_ctrlTrack2.SetSel(0,0); //設定處理區域
}
else if(TrackSelect3 == EditSelect)
{
m_ctrlTrack3.EnableWindow(true);
WrtieTrack3.Start = 0;
WrtieTrack3.End = 0;
WrtieTrack3.Editdtring = "";
WrtieTrack3.Allstring = "";


m_brush3 = NULL;
m_ctrlTrack3.SetSel(0, 200); //設定處理區域
m_ctrlTrack3.SetSelectionCharFormat(cf);
m_ctrlTrack3.SetSel(0,0); //設定處理區域
}
}

相關推薦

MFC 實現richedit右鍵選單的複製貼上功能

//滑鼠右鍵響應函式 void CMSR009BTDlg::OnContextMenu(CWnd* pWnd, CPoint point)  {// TODO: Add your message handler code hereCMenu popMenu;CRect rect1,rect2,rect3;//

JS自定義右鍵選單—複製到貼上板（jQuery和原生JS實現）

##自定義右鍵選單——複製到貼上板 ####需求： 滑鼠在li標籤上點選右鍵出現選單，主要是複製等功能 遮蔽瀏覽器預設右鍵點選事件 右鍵選單出現在滑鼠點選的位置 點選螢幕其他位置選單消失

VC++實現生成右鍵選單及新增圖示

用VC++實現彈出選單比較簡單，這裡介紹其中的一種來實現一個滑鼠右鍵彈出選單，效果如下圖所示：     步驟： 一、新建一個基於對話方塊的MFC應用程式-----PopMenu 二、新增一個選單資源------IDR_MENU1,並加幾個子項，如下 &nb

VC MFC系統托盤右鍵選單，滑鼠點選非選單區域使選單消失的問題

程式最小化到系統托盤後，右鍵單擊托盤圖示會顯示選單。 現在的問題是如果不點選選單上的選項選單就會一直存在，如何使滑鼠在選單視窗外單擊操作時選單消失？ 就像桌面右鍵選單那樣。 CMenu menu;  menu.LoadMenu(IDR_MNU_TRAY); // 2 CMe

javascript 實現禁止右鍵，複製，選取文字 (相容firefox，IE，chrome等主流瀏覽器)...

或者： body{ -webkit-touch-callout: none; -webkit-user-select: none; -khtml-user-select: none; -moz-user-select: none; -ms-user-select: none;

js實現瀏覽器右鍵選單，遮蔽預設選單

<div id="mouse" style="width:500px;height:200px;background:#E8FFE8;border:2px solid #336699;">

html5+CSS 實現禁止IOS長按複製貼上功能

/*設定IOS頁面長按不可複製貼上，但是IOS上出現input、textarea不能輸入，因此將使用-webkit-user-select:auto;*/*{-webkit-touch-callout:

【Qt】Qt之密碼框不可選中、複製、貼上、無右鍵選單等【轉】

簡述 在做使用者登入、修改密碼的時候，往往會用到密碼框，其中一些功能要求與普通的輸入框不同，例如：不能選中、複製、貼上、無右鍵選單等功能，當然設定密碼不可見是必須的！ 下面介紹兩種方式來實現相同的效果。 簡述 效果 基礎部分 事件過濾器 介面說明 實現方式 事件重

jxbrowser 實現自定義右鍵選單 jxbrowser破解版請聯絡作者

QQ 921888199 public static void main(String[] args) { JPopupMenu.setDefaultLightWeightPopupEnabled(false); Browser browser =

Dev DevExpress之treelist右鍵選單實現

分享一下我老師大神的人工智慧教程！零基礎，通俗易懂！http://blog.csdn.net/jiangjunshow 也歡迎大家轉載本篇文章。分享知識，造福人民，實現我們中華民族偉大復興！        

TreeList屬性設定以及右鍵選單實現

AllowSort = False,//關閉排序 AllowEdit = False//不能編輯 --------右鍵選單實現   新增右鍵流程： 1.先在窗體上拖兩個控制元件，分別是popupMenu和barManager 2.barManager中繫結form屬性為當前窗體名稱 3

python3實現tkinter視窗懸浮，右鍵選單操作，多執行緒控制

專案需要，做了一個demo直接上程式碼供大家參考，並且留為記錄 需要更深入瞭解，可以加微信qypangu相信交流，請注時"csdn  python" #!/usr/bin/python3 # -*- coding: utf-8 -*- import tkinter im

HTML實現 頁面禁止右鍵 禁止複製 禁止圖片拖動 禁止複製和剪下

1、禁止右鍵： oncontextmenu="return false" 2、禁止複製和剪下： oncopy="return false;" oncut="return false;" 3、禁止複製： onselectstart="return false" 4、禁止圖片拖動： ondrags

win32 實現右鍵選單

contextMenu.h #ifndef _CONTEXTMENU_H_ #define _CONTEXTMENU_H_ #include <windows.h> #define ITEM_MENU_FULLSCREEN 40001 #define ITEM

js 禁用右鍵選單、拖拽、選中、複製

  //禁用拖拽 document.ondragstart = function () { return false; }; /** * 禁用右鍵選單 */ document.oncontextmenu = function () { event.retu

nz-tree的右鍵選單的實現， 以及選中狀態的實現

ant design of angular中的nz-tree在官方例項並沒有給出和context menu的例子， 不過官方的context menu獨立的例子倒是有： https://ng.ant.design/components/drop

[原始碼和文件分享]修改登錄檔實現新增滑鼠右鍵選單選項

背景 我們安裝一些應用程式的時候，經常都會看到程式安裝完後，會建立滑鼠右鍵選單項，方便使用程式。建立系統右鍵選單項，通常都會使用擴充套件Shell介面來實現，會涉及到COM的相關知識，碎語初學者來說比較難理解。 現在，本文介紹一種簡單的方法實現相同的功能。就是，修改登錄檔來實現。現在，把功能

【Qt】選單欄、工具欄、狀態列、右鍵選單的實現

在QMainWidget基礎上實現選單欄、工具欄、狀態列、右鍵選單。 標頭檔案： #ifndef GWDEMO_H #define GWDEMO_H #include <QMainWindow> #include <QMenu> #include <Q

MFC如何修改檔案檢視FileView中已有的樹結構的右鍵選單（其相應函式為OnContextMenu），即如何增加/修改/刪除 選單項？

在用VS做MFC程式設計時，新建的工程中自帶了檔案檢視/類檢視/屬性視窗/輸出視窗等內容。檔案檢視FileView中具有初始右鍵選單，如圖所示： 那麼如果想要給這個右鍵選單增加選單項，該如何實現呢？ 1. 首先可以看一下這個右鍵選單是在哪裡響應的，開啟FileView

jquery禁用右鍵、文字選擇功能、複製按鍵的實現

同時適合IE、firefox、谷歌瀏覽器下適用，經過篩選程式碼如下： Java程式碼   //禁用右鍵、文字選擇功能、複製按鍵$(document).bind(“contextmenu”,function(){re