Specifies the width of the caret (in logical units). If this parameter is 0, the width is set to the system-defined window-border width.

指定了插字符的宽度(逻辑单位)。如果这个参数为0，则宽度被设为系统定义的窗口边框宽度。

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Specifies the height of the caret (in logical units). If this parameter is 0, the height is set to the system-defined window-border height.

指定了插字符的高度(逻辑单位)。如果这个参数为0，则高度被设为系统定义的窗口边框高度。

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