| 术语 | isdlgbuttonchecked |
| 释义 | IsDlgButtonChecked 语法： UINT IsDlgButtonChecked( HWND hDlg, int nIDButton ); IsDlgButtonChecked功能 The IsDlgButtonChecked function determines whether a button control is checked or whether a three-state button control is checked, unchecked, or indeterminate. 参数 hDlg [in]的句柄对话框，其中包含按钮控制。 nIDButton [in]的按钮控制的标识符。 返回值 从与BS_AUTOCHECKBOX，BS_AUTORADIOBUTTON，BS_AUTO3STATE，BS_CHECKBOX，BS_RADIOBUTTON，或BS_3STATE创建的样式可在以下表中的值之一的按钮返回值。如果按钮有任何其他样式，返回值是零。 BST_CHECKEDThe按钮被选中。 BST_INDETERMINATEThe按钮处于不确定状态(只适用于该按钮具有BS_3STATE或BS_AUTO3STATE样式)。 BST_UNCHECKEDThe按钮未被选中。 备注 该IsDlgButtonChecked函数BM_GETCHECK消息发送到指定的按钮控制。 例如 有关示例，请参见标题为“创建无模式对话框”对话框中使用。 功能信息 最低DLL版本 user32.dll 在Winuser.h中HeaderDeclared，头文件：winuser.h import libraryUser32.lib 最低操作系统Windows 95，Windows NT 3.1 参见 CheckDlgButton ＝＝英文原文＝＝IsDlgButtonChecked Function The IsDlgButtonChecked function determines whether a button control is checked or whether a three-state button control is checked, unchecked, or indeterminate. Syntax UINT IsDlgButtonChecked( HWND hDlg, int nIDButton ); Parameters hDlg [in] A handle to the dialog box that contains the button control. nIDButton [in] The identifier of the button control. Return Value The return value from a button created with the BS_AUTOCHECKBOX, BS_AUTORADIOBUTTON, BS_AUTO3STATE, BS_CHECKBOX, BS_RADIOBUTTON, or BS_3STATE styles can be one of the values in the following table. If the button has any other style, the return value is zero. BST_CHECKEDThe button is checked. BST_INDETERMINATEThe button is in an indeterminate state (applies only if the button has the BS_3STATE or BS_AUTO3STATE style). BST_UNCHECKEDThe button is not checked. Remarks The IsDlgButtonChecked function sends a BM_GETCHECK message to the specified button control. Example For an example, see the section titled "Creating a Modeless Dialog Box" in Using Dialog Boxes . Function Information Minimum DLL Versionuser32.dll HeaderDeclared in Winuser.h, include Windows.h Import libraryUser32.lib Minimum operating systemsWindows 95, Windows NT 3.1 See Also CheckDlgButton ＝＝原始网址＝＝http://msdn.microsoft.com/en-us/library/bb761879(VS.85).aspx\n |
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