📄 chap10.htm
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<p style='line-height:18.0pt'><span
lang=EN-US style='font-size:10.5pt;'>BitmapXRes </span><span
style='font-size:10.5pt;font-family:宋体;"Times New Roman";"Times New Roman"'>属性：该属性为位图的水平分辨率</span><span
lang=EN-US style='font-size:10.5pt;'></span></p>
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<p style='line-height:18.0pt'><span
lang=EN-US style='font-size:10.5pt;'>BitmapYRes </span><span
style='font-size:10.5pt;font-family:宋体;"Times New Roman";"Times New Roman"'>属性：该属性为位图的垂直分辨率</span><span
lang=EN-US style='font-size:10.5pt;'></span></p>
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<p style='line-height:18.0pt'><span
lang=EN-US style='font-size:10.5pt;'>[E] BitonalScaling </span><span style='font-size:10.5pt; font-family:宋体;"Times New Roman"'>属性：设置该属性，以增强二值图的显示效果</span><span lang=EN-US
style='font-size:10.5pt;'></span></p>
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<p style='line-height:18.0pt'><span
lang=EN-US style='font-size:10.5pt;'>BorderStyle </span><span
style='font-size:10.5pt;font-family:宋体;"Times New Roman";"Times New Roman"'>属性：该属性为</span><span
lang=EN-US style='font-size:10.5pt;'>0</span><span
style='font-size:10.5pt;font-family:宋体;"Times New Roman";"Times New Roman"'>时，控件周围没有边框，为</span><span
lang=EN-US style='font-size:10.5pt;'>1</span><span
style='font-size:10.5pt;font-family:宋体;"Times New Roman";"Times New Roman"'>时有边框</span><span
lang=EN-US style='font-size:10.5pt;'></span></p>
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<p style='line-height:18.0pt'><span
lang=EN-US style='font-size:10.5pt;'>[P] Capture </span><span
style='font-size:10.5pt;font-family:宋体;"Times New Roman";"Times New Roman"'>方法：从某一设备上下文指定的矩形区域中获得位图</span><span
lang=EN-US style='font-size:10.5pt;'>(</span><span
style='font-size:10.5pt;font-family:宋体;"Times New Roman";"Times New Roman"'>截屏</span><span
lang=EN-US style='font-size:10.5pt;'>)</span></p>
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<p style='line-height:18.0pt'><span
lang=EN-US style='font-size:10.5pt;'>Click </span><span
style='font-size:10.5pt;font-family:宋体;"Times New Roman";"Times New Roman"'>事件：当用户点击控件时，触发该事件</span><span
lang=EN-US style='font-size:10.5pt;'></span></p>
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<p style='line-height:18.0pt'><span
lang=EN-US style='font-size:10.5pt;'>[P] ColorMerge </span><span
style='font-size:10.5pt;font-family:宋体;"Times New Roman";"Times New Roman"'>方法：融合调色板</span><span
lang=EN-US style='font-size:10.5pt;'></span></p>
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<p style='line-height:18.0pt'><span
lang=EN-US style='font-size:10.5pt;'>[P] ColorPlanes </span><span style='font-size:10.5pt;font-family:
宋体;"Times New Roman"'>属性：该属性为灰度图的调色板数组</span><span
lang=EN-US style='font-size:10.5pt;'></span></p>
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<p style='line-height:18.0pt'><span
lang=EN-US style='font-size:10.5pt;'>ColorRes </span><span
style='font-size:10.5pt;font-family:宋体;"Times New Roman";"Times New Roman"'>方法：颜色数转换</span><span
lang=EN-US style='font-size:10.5pt;'></span></p>
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<p style='line-height:18.0pt'><span
lang=EN-US style='font-size:10.5pt;'>[P] ColorSeparate </span><span style='font-size:10.5pt; font-family:宋体;"Times New Roman"'>方法：按照调色板将位图分离成一个个的灰度图</span><span lang=EN-US
style='font-size:10.5pt;'></span></p>
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<p style='line-height:18.0pt'><span
lang=EN-US style='font-size:10.5pt;'>[P] Combine </span><span
style='font-size:10.5pt;font-family:宋体;"Times New Roman";"Times New Roman"'>方法：将两幅图结合，例如另一幅图是一个边沿检测的滤波器</span><span
lang=EN-US style='font-size:10.5pt;'></span></p>
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<p style='line-height:18.0pt'><span
lang=EN-US style='font-size:10.5pt;'>Contrast </span><span
style='font-size:10.5pt;font-family:宋体;"Times New Roman";"Times New Roman"'>方法：增加或减少位图的对比度</span><span
lang=EN-US style='font-size:10.5pt;'></span></p>
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<p style='line-height:18.0pt'><span
lang=EN-US style='font-size:10.5pt;'>Copy </span><span
style='font-size:10.5pt;font-family:宋体;"Times New Roman";"Times New Roman"'>方法：将位图拷贝至剪贴板</span><span
lang=EN-US style='font-size:10.5pt;'></span></p>
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<p style='line-height:18.0pt'><span
lang=EN-US style='font-size:10.5pt;'>CreateBitmap </span><span
style='font-size:10.5pt;font-family:宋体;"Times New Roman";"Times New Roman"'>方法：对位图初始化并分配内存，但不调入任何数据</span><span
lang=EN-US style='font-size:10.5pt;'></span></p>
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<p style='line-height:18.0pt'><span
lang=EN-US style='font-size:10.5pt;'>[P] dbAddNew </span><span
style='font-size:10.5pt;font-family:宋体;"Times New Roman";"Times New Roman"'>方法：为当前记录集增加一个新的空记录</span><span
lang=EN-US style='font-size:10.5pt;'></span></p>
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<p style='line-height:18.0pt'><span
lang=EN-US style='font-size:10.5pt;'>[P] dbCanAppend </span><span style='font-size:10.5pt;font-family:
宋体;"Times New Roman"'>属性：该属性为真时，表示可以在当前记录集中增加一个记录</span><span
lang=EN-US style='font-size:10.5pt;'></span></p>
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<p style='line-height:18.0pt'><span
lang=EN-US style='font-size:10.5pt;'>[P] dbCanRestart </span><span style='font-size:10.5pt; font-family:宋体;"Times New Roman"'>属性：该属性为真时，表示可以从数据库中重建记录集</span><span lang=EN-US
style='font-size:10.5pt;'></span></p>
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<p style='line-height:18.0pt'><span
lang=EN-US style='font-size:10.5pt;'>[P] dbCanScroll </span><span style='font-size:10.5pt;font-family:
宋体;"Times New Roman"'>属性：该属性为真时，表示数据源支持</span><span
lang=EN-US style='font-size:10.5pt;'>dbMove</span><span
style='font-size:10.5pt;font-family:宋体;"Times New Roman";"Times New Roman"'>方法，可以在记录集中滚</span><span>
</span><span style='font-size:10.5pt; font-family:宋体;"Times New Roman"'>动</span><span lang=EN-US style='font-size:10.5pt;
'></span></p>
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<p style='line-height:18.0pt'><span
lang=EN-US style='font-size:10.5pt;'>[P] dbCanUpdate </span><span style='font-size:10.5pt;font-family:
宋体;"Times New Roman"'>属性：该属性为真时，表示可以在当前记录集中增加或者更新一个记录</span><span
lang=EN-US style='font-size:10.5pt;'></span></p>
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<p style='line-height:18.0pt'><span
lang=EN-US style='font-size:10.5pt;'>[P] dbClose </span><span
style='font-size:10.5pt;font-family:宋体;"Times New Roman";"Times New Roman"'>方法：关闭当前记录集和数据库</span><span
lang=EN-US style='font-size:10.5pt;'></span></p>
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<p style='line-height:18.0pt'><span
lang=EN-US style='font-size:10.5pt;'>[P] dbCurrentRecord </span><span style='font-size:10.5pt; font-family:宋体;"Times New Roman"'>属性：记录集中当前记录号</span><span lang=EN-US style='font-size:10.5pt;
'></span></p>
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<p style='line-height:18.0pt'><span
lang=EN-US style='font-size:10.5pt;'>[P] dbDelete </span><span
style='font-size:10.5pt;font-family:宋体;"Times New Roman";"Times New Roman"'>方法：删除当前记录</span><span
lang=EN-US style='font-size:10.5pt;'></span></p>
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<p style='line-height:18.0pt'><span
lang=EN-US style='font-size:10.5pt;'>[P] dbEdit </span><span
style='font-size:10.5pt;font-family:宋体;"Times New Roman";"Times New Roman"'>方法：为更新当前记录做准备</span><span
lang=EN-US style='font-size:10.5pt;'></span></p>
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<p style='line-height:18.0pt'><span
lang=EN-US style='font-size:10.5pt;'>[P] dbEditMode </span><span
style='font-size:10.5pt;font-family:宋体;"Times New Roman";"Times New Roman"'>属性：指示当前记录的编辑模式，如只读，可编辑，可添加</span><span
lang=EN-US style='font-size:10.5pt;'></span></p>
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<p style='line-height:18.0pt'><span
lang=EN-US style='font-size:10.5pt;'>[P] dbIsBOF </span><span
style='font-size:10.5pt;font-family:宋体;"Times New Roman";"Times New Roman"'>属性：指示是否到了最前面的记录</span><span
lang=EN-US style='font-size:10.5pt;'></span></p>
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<p style='line-height:18.0pt'><span
lang=EN-US style='font-size:10.5pt;'>[P] dbIsDeleted </span><span style='font-size:10.5pt;font-family:
宋体;"Times New Roman"'>属性：指示当前记录是否已经被删除</span><span
lang=EN-US style='font-size:10.5pt;'></span></p>
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<p style='line-height:18.0pt'><span
lang=EN-US style='font-size:10.5pt;'>[P] dbIsEOF </span><span
style='font-size:10.5pt;font-family:宋体;"Times New Roman";"Times New Roman"'>属性：指示是否到了最后面的记录</span><span
lang=EN-US style='font-size:10.5pt;'></span></p>
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<p style='line-height:18.0pt'><span
lang=EN-US style='font-size:10.5pt;'>[P] dbIsOpen </span><span
style='font-size:10.5pt;font-family:宋体;"Times New Roman";"Times New Roman"'>属性：指示是否和一个数据库相连</span><span
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