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±ê Ìâ: ScrollWindowEx(¿Ø¼þÓëÏûÏ¢)(×ªÔØ)
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·¢ÐÅÕ¾: BBS ˮľÇ廪վ (Wed Mar 29 23:24:23 2000) WWW-POST
ScrollWindowEx
VBÉùÃ÷
Declare Function ScrollWindowEx Lib "user32" Alias "ScrollWindowEx" (ByVal
hwnd As Long, ByVal dx As Long, ByVal dy As Long, lprcScroll As RECT,
lprcClip As RECT, ByVal hrgnUpdate As Long, lprcUpdate As RECT, ByVal
fuScroll As Long) As Long
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hwnd Long£¬Óû¹ö¶¯µÄ´°¿ÚµÄ¾ä±ú
dx Long£¬Ë®Æ½¹ö¶¯µÄ¾àÀë¡£ÕýÖµÏòÓÒ¹ö¶¯£¬¸ºÖµÏò×ó¹ö¶¯
dy Long£¬´¹Ö±¹ö¶¯µÄ¾àÀë¡£ÕýÖµÏòϹö¶¯£¬¸ºÖµÏòÉϹö¶¯
lprcScroll RECT£¬Óÿͻ§Çø×ø±ê±íʾµÄÒ»¸ö¾ØÐΣ¬Ëü¶¨ÒåÁ˿ͻ§ÇøÒª¹ö¶¯µÄÒ»¸ö²¿·Ö¡£
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lprcClip RECT£¬Ö¸¶¨Ò»¸ö¼ôÇоØÐΡ£Ö»ÓÐÕâ¸ö¾ØÐεÄÄÚÈݲſÉÄܹö¶¯¡£¸Ã¾ØÐÎÓÅÏÈÓÚ
lpRect¡£¿ÉÄÜΪÁ㣬±íʾ²»½øÐмôÇд¦Àí£¨ÔÎÄ£ºClipping rectangle. Only the area
within this rectangle may be scrolled. This rectangle takes priority over
lpRect. May be zero, in which case no clipping takes place.£©
hrgnUpdate Long£¬¹ö¶¯¹ý³ÌÖÐËæÍ¬ÎÞÐ§ÇøÓòÔØÈëµÄÒ»¸ö¡°Çø¡±¡£¿ÉÄÜÊÇÁã
lprcUpdate RECT£¬ËæÍ¬Ò»¸ö¾ØÐÎÔØÈëµÄ¾ØÐνṹ£¬¸Ã¾ØÐζ¨ÒåÁ˹ö¶¯¹ý³ÌÖÐÎÞЧµÄÇøÓò
¡£¿ÉÄÜÊÇÁã
fuScroll Long£¬¶Ô¹ö¶¯½øÐпØÖÆµÄÆì±ê¡£¿ÉÒÔÊÇÏÂÊöÈκγ£ÊýµÄ×éºÏ
SW_ERASE Çå³ýÐÂÎÞÐ§ÇøÓòµÄ±³¾°
SW_INVALDATE ʹ¹ö¶¯Ê±Î´¸²¸ÇµÄÇøÓòÎÞЧ
SW_SCROLLCHILDREN ¹ö¶¯ÇøÓòÄÚµÄ×Ó´°¿Ú½øÐеÈÁ¿Òƶ¯¡£Îª±ÜÃâµÃµ½ÎÞЧµÄ½á¹û£¬ÔÚʹÓÃ
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