VC++MFC 常用控件使用方法 4.1 Button 按钮窗口（控件）在 MFC中使用 CButton表示，CButton包含了三种样式的按钮，Push Button，Check Box，Radio Box。所以在利用 CButton对象生成按钮窗口时需要指明按钮的风格。 创建按钮：BOOL CButton::Create( LPCTSTR lpszCaption, DWORD dwStyle, const RECT& rect, CWnd* pParentWnd, UINT nID );其中 lpszCaption是按钮上显示的文字，dwStyle为按钮风格，除了 Windows风格可以使用外（如 WS_CHILD|WS_VISUBLE|WS_BORDER）还有按钮专用的一些风格。 BS_AUTOCHECKBOX 检查框，按钮的状态会自动改变 Same as a check box, except that a check mark appears in the check box when the user selects the box; the check mark disappears the next time the user selects the box. BS_AUTORADIOBUTTON 圆形选择按钮，按钮的状态会自动改变 Same as a radio button, except that when the user selects it, the button automatically highlights itself and removes the selection from any other radio buttons with the same style in the same group. BS_AUTO3STATE 允许按钮有三种状态即：选中，未选中，未定 Same as a three-state check box, except that the box changes its state when the user selects it. BS_CHECKBOX 检查框 Creates a small square that has text displayed to its right (unless this style is combined with the BS_LEFTTEXT style). BS_DEFPUSHBUTTON 默认普通按钮 Creates a button that has a heavy black border. The user can select this button by pressing the ENTER key. This style enables the user to quickly select the most likely option (the default option). BS_LEFTTEXT 左对齐文字 When combined with a radio-button or check-box style, the text appears on the left side of the radio button or check box. BS_OWNERDRAW 自绘按钮 Creates an owner-drawn button. The framework calls the DrawItem member function when a visual aspect of the button has changed. This style must be set when usi...
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