vbtips2.htm

所有我收藏的VB技巧

        <br>
        number&amp; = GetSystemMetrics(SM_CMOUSEBUTTONS) <br>
        返回值为系统支持的鼠标键数（返回0，则系统中没有安装鼠标:-)
        ）<br>
        下面是GetSystemMetrics函数参数nIndex的定义：</p>
        <table border="0">
            <tr>
                <td width="30%">SM_ARRANGE</td>
                <td width="70%">Flags specifying how the system
                arranged minimized windows. For more information
                about minimized windows, see the following
                Remarks section.</td>
            </tr>
            <tr>
                <td width="30%">SM_CLEANBOOT</td>
                <td width="70%">返回系统启动方式:<br>
                0 正常启动<br>
                1 安全模式启动<br>
                2 网络安全模式启动</td>
            </tr>
            <tr>
                <td width="30%">SM_CMOUSEBUTTONS</td>
                <td width="70%">返回值为系统支持的鼠标键数，返回0，则系统中没有安装鼠标。</td>
            </tr>
            <tr>
                <td width="30%">SM_CXBORDER, <br>
                SM_CYBORDER</td>
                <td width="70%">返回以相素值为单位的Windows窗口边框的宽度和高度，如果Windows的为3D形态，则<br>
                等同于SM_CXEDGE参数</td>
            </tr>
            <tr>
                <td width="30%">SM_CXCURSOR, <br>
                SM_CYCURSOR</td>
                <td width="70%">返回以相素值为单位的标准光标的宽度和高度</td>
            </tr>
            <tr>
                <td width="30%">SM_CXDLGFRAME,<br>
                SM_CYDLGFRAME</td>
                <td width="70%">等同与SM_CXFIXEDFRAME and
                SM_CYFIXEDFRAME</td>
            </tr>
            <tr>
                <td width="30%">SM_CXDOUBLECLK, <br>
                SM_CYDOUBLECLK</td>
                <td width="70%">以相素值为单位的双击有效的矩形区域</td>
            </tr>
            <tr>
                <td width="30%">SM_CXEDGE,SM_CYEDGE</td>
                <td width="70%">以相素值为单位的3D边框的宽度和高度</td>
            </tr>
            <tr>
                <td width="30%">SM_CXFIXEDFRAME,<br>
                SM_CYFIXEDFRAME</td>
                <td width="70%">围绕具有标题但无法改变尺寸的窗口（通常是一些对话框）的边框的厚度</td>
            </tr>
            <tr>
                <td width="30%">SM_CXFRAME,SM_CYFRAME</td>
                <td width="70%">等同于SM_CXSIZEFRAME and
                SM_CYSIZEFRAME</td>
            </tr>
            <tr>
                <td width="30%">SM_CXFULLSCREEN,<br>
                SM_CYFULLSCREEN</td>
                <td width="70%">全屏幕窗口的窗口区域的宽度和高度</td>
            </tr>
            <tr>
                <td width="30%">SM_CXHSCROLL,<br>
                SM_CYHSCROLL</td>
                <td width="70%">水平滚动条的高度和水平滚动条上箭头的宽度</td>
            </tr>
            <tr>
                <td width="30%">SM_CXHTHUMB</td>
                <td width="70%">以相素为单位的水平滚动条上的滑动块宽度</td>
            </tr>
            <tr>
                <td width="30%">SM_CXICON,SM_CYICON</td>
                <td width="70%">系统缺省的图标的高度和宽度（一般为32*32）</td>
            </tr>
            <tr>
                <td width="30%">SM_CXICONSPACING,<br>
                SM_CYICONSPACING</td>
                <td width="70%">以大图标方式查看Item时图标之间的间距，这个距离总是大于等于<br>
                SM_CXICON and SM_CYICON.</td>
            </tr>
            <tr>
                <td width="30%">SM_CXMAXIMIZED,<br>
                SM_CYMAXIMIZED</td>
                <td width="70%">处于顶层的最大化窗口的缺省尺寸</td>
            </tr>
            <tr>
                <td width="30%">SM_CXMAXTRACK,<br>
                SM_CYMAXTRACK</td>
                <td width="70%">具有可改变尺寸边框和标题栏的窗口的缺省最大尺寸，如果窗口大于这个<br>
                尺寸，窗口是不可移动的。</td>
            </tr>
            <tr>
                <td width="30%">SM_CXMENUCHECK,<br>
                SM_CYMENUCHECK</td>
                <td width="70%">以相素为单位计算的菜单选中标记位图的尺寸</td>
            </tr>
            <tr>
                <td width="30%">SM_CXMENUSIZE,<br>
                SM_CYMENUSIZE</td>
                <td width="70%">以相素计算的菜单栏按钮的尺寸</td>
            </tr>
            <tr>
                <td width="30%">SM_CXMIN,SM_CYMIN</td>
                <td width="70%">窗口所能达到的最小尺寸</td>
            </tr>
            <tr>
                <td width="30%">SM_CXMINIMIZED,<br>
                SM_CYMINIMIZED</td>
                <td width="70%">正常的最小化窗口的尺寸</td>
            </tr>
            <tr>
                <td width="30%">SM_CXMINTRACK,<br>
                SM_CYMINTRACK</td>
                <td width="70%">最小跟踪距离，当使用者拖动窗口移动距离小于这个值，窗口不会移动。</td>
            </tr>
            <tr>
                <td width="30%">SM_CXSCREEN,<br>
                SM_CYSCREEN</td>
                <td width="70%">以相素为单位计算的屏幕尺寸。</td>
            </tr>
            <tr>
                <td width="30%">SM_CXSIZE,SM_CYSIZE</td>
                <td width="70%">以相素计算的标题栏按钮的尺寸</td>
            </tr>
            <tr>
                <td width="30%">SM_CXSIZEFRAME,<br>
                SM_CYSIZEFRAME</td>
                <td width="70%">围绕可改变大小的窗口的边框的厚度</td>
            </tr>
            <tr>
                <td width="30%">SM_CXSMICON,<br>
                SM_CYSMICON</td>
                <td width="70%">以相素计算的小图标的尺寸，小图标一般出现在窗口标题栏上。</td>
            </tr>
            <tr>
                <td width="30%">M_CXVSCROLL,<br>
                SM_CYVSCROLL</td>
                <td width="70%">以相素计算的垂直滚动条的宽度和垂直滚动条上箭头的高度</td>
            </tr>
            <tr>
                <td width="30%">SM_CYCAPTION</td>
                <td width="70%">以相素计算的普通窗口标题的高度</td>
            </tr>
            <tr>
                <td width="30%">SM_CYMENU</td>
                <td width="70%">以相素计算的单个菜单条的高度</td>
            </tr>
            <tr>
                <td width="30%">SM_CYSMCAPTION</td>
                <td width="70%">以相素计算的窗口小标题栏的高度</td>
            </tr>
            <tr>
                <td width="30%">SM_CYVTHUMB</td>
                <td width="70%">以相素计算的垂直滚动条中滚动块的高度</td>
            </tr>
            <tr>
                <td width="30%">SM_DBCSENABLED</td>
                <td width="70%">如果为TRUE或不为0的值表明系统安装了双字节版本的USER.EXE,为FALSE或0则不是。</td>
            </tr>
            <tr>
                <td width="30%">SM_DEBUG</td>
                <td width="70%">如果为TRUE或不为0的值表明系统安装了debug版本的USER.EXE,为FALSE或0则不是。</td>
            </tr>
            <tr>
                <td width="30%">SM_MENUDROPALIGNMENT</td>
                <td width="70%">如果为TRUE或不为0的值下拉菜单是右对齐的否则是左对齐的。</td>
            </tr>
            <tr>
                <td width="30%">SM_MOUSEPRESENT</td>
                <td width="70%">如果为TRUE或不为0的值则安装了鼠标，否则没有安装。</td>
            </tr>
            <tr>
                <td width="30%">SM_MOUSEWHEELPRESENT</td>
                <td width="70%">如果为TRUE或不为0的值则安装了滚轮鼠标，否则没有安装。(Windows
                NT only)</td>
            </tr>
            <tr>
                <td width="30%">SM_SWAPBUTTON</td>
                <td width="70%">如果为TRUE或不为0的值则鼠标左右键交换，否则没有。</td>
            </tr>
        </table>
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