大约有 45,000 项符合查询结果（耗时：0.0453秒） [XML]
MFC对话框中处理Enter或Esc按键事件方法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...e(MSG* pMsg);
//.cpp
BOOL CxxxDlg::PreTranslateMessage(MSG* pMsg)
{
if (pMsg->message == WM_KEYDOWN)
{
switch(pMsg->wParam)
{
case VK_ESCAPE: //Esc按键事件
return TRUE;
case VK_RETURN: //Enter按键事件
...
[完整实例源码]C&C++修改文件只读属性 - C/C++ - 清泛网 - 专注C/C++及内核技术
...eAttributes(strPath);
//空32，只读33，隐藏34，只读隐藏35
if (dwAttrs & FILE_ATTRIBUTE_READONLY && (dwAttrs < 34))
{
//去掉文件只读属性
dwAttrs &= 0x3E;
SetFileAttributes(strPath, dwAttrs);
printf("File '%s' readonly attr is removed.\n", strPath);
}
else...
Error: must call SetScrollSizes() or SetScaleToFitSize()问题的解决 - C...
...nPrepareDC(CDC* pDC, CPrintInfo* pInfo)
{
ASSERT_VALID(pDC);
#ifdef _DEBUG
if (m_nMapMode == MM_NONE)
{
TRACE(traceAppMsg, 0, "Error: must call SetScrollSizes() or SetScaleToFitSize()");
TRACE(traceAppMsg, 0, "\tbefore painting scroll view.\n");
--->...
MFC Static透明背景色的实现、Static控件自绘、Static字体修改 - C/C++ - ...
...起作用的在这句
HBRUSH hb = (HBRUSH)GetStockObject(NULL_BRUSH);
if(CTLCOLOR_STATIC == nCtlColor)
{
pDC->SetTextColor(m_crText);
pDC->SetBkColor(m_crBk);
hb = m_hbkbr;
}
return hb;
}
这种方式比较简单，仅仅需要背景色透明的话采用这种较...
MFC CEdit控件自绘、MFC圆角输入框 - C/C++ - 清泛网 - 专注C/C++及内核技术
...#include "MyEdit.h"
#include "../MemDC.h"
#include "../CommonFunc.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#endif
IMPLEMENT_DYNAMIC(CMyEdit, CEdit)
CMyEdit::CMyEdit()
{
//m_crText = RGB(40, 40, 40);
//m_crBorder = RGB(228,228,228);
m_clrBackground = RGB(255, 255, 255); //背景颜...
MFC AfxMessageBox改变标题的几种方法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...的改法可能导致内存泄露，下面这样改就万无一失了：
if (m_pszAppName != nullptr)
{
free((void*)m_pszAppName);
}
m_pszAppName = _tcsdup(_T("What you want!"));
（完）
MFC AfxMessageBox 标题
调用空智能指针对象的函数，Windows及Linux行为解析 - C/C++ - 清泛网 - 专...
...能调用。
因此，上例中的IsNull的写法不推荐，最好使用if(null)直接判断智能指针是否为空。
shared_ptr nullptr
C/C++头文件string与string.h的区别及Mac平台的特殊性 - C/C++ - 清泛网 - ...
...较特殊，必须 #include <string>，可以用宏区分Mac平台：
#if defined(_MACOSX) || defined(_IOS)
#include <string>
#else
#include <string.h>
#endif
string 区别
App Inventor 2 中文网
... App Inventor 2 加载中 if (window.navigator.userAgent.indexOf("MSIE") != -1){ document.getElementById("unsupported").style.display = 'block';}function hide_loading() { document.getElementById("loading").style.display = 'none';}var _hmt = _hmt || ...
unsigned int vs. size_t
..."your compiler might make assumption about it": I would hope the compiler knows the exact range of values that size_t can represent! If it doesn't, who does?
– Marc van Leeuwen
Jun 15 '14 at 5:42
...