CAboutDlg::CAboutDlg() :CDialog(CAboutDlg::IDD) 求指教

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CAboutDlg::CAboutDlg():CDialog(CAboutDlg::IDD)求指教CAboutDlg::CAboutDlg():CDialog(CAboutDlg::IDD)求指教CA

CAboutDlg::CAboutDlg() :CDialog(CAboutDlg::IDD) 求指教
CAboutDlg::CAboutDlg() :CDialog(CAboutDlg::IDD) 求指教

CAboutDlg::CAboutDlg() :CDialog(CAboutDlg::IDD) 求指教
enum { IDD = IDD_ABOUTBOX };CAboutDlg::IDD就是IDD_ABOUTBOX,
CDialog( UINT nIDTemplate, CWnd* pParentWnd = NULL );
nIDTemplate 包含对话框模板资源的ID号.
CAboutDlg的构造函数通过用父类的构造函数CDialog来构造自身,

CAboutDlg::CAboutDlg() :CDialog(CAboutDlg::IDD) 求指教 CAboutDlg::CAboutDlg() :CDialog(CAboutDlg::IDD) { } 不懂这么定义怎么回事, c++类后面带一个:啥意思 class CAboutDlg :public CDialog//啥意思?{ public:CAboutDlg(); }