{"id":1384,"date":"2024-08-12T08:00:00","date_gmt":"2024-08-12T00:00:00","guid":{"rendered":"http:\/\/www.wyrcad.com\/?p=1384"},"modified":"2024-09-12T11:18:23","modified_gmt":"2024-09-12T03:18:23","slug":"%e5%9b%be%e7%89%87%e8%bf%87%e6%bb%a4%e6%9f%90%e7%a7%8d%e9%a2%9c%e8%89%b2","status":"publish","type":"post","link":"https:\/\/www.wyrcad.com\/?p=1384","title":{"rendered":"\u56fe\u7247\u989c\u8272\u5c4f\u853d"},"content":{"rendered":"\n

Option Explicit
Private Declare Function TransparentBlt Lib “msimg32” _
(ByVal hdcDest As Long, ByVal nXOriginDest As Long, _
ByVal nYOriginDest As Long, ByVal nWidthDest As Long, _
ByVal nHeightDest As Long, ByVal hdcSrc As Long, _
ByVal nXOriginSrc As Long, ByVal nYOriginSrc As Long, _
ByVal nWidthSrc As Long, ByVal nHeightSrc As Long, _
ByVal crTransparent As Long) As Long
Private Declare Function GetPixel Lib “gdi32” (ByVal hdc As Long, ByVal X As Long, ByVal Y As Long) As Long<\/p>\n\n\n\n

‘\u8c03\u7528\u793a\u4f8b
‘\u6dfb\u52a0\u4e00\u4e2a PictureBox,\u547d\u540d\u4e3a picSource,\u5e76\u52a0\u8f7d\u56fe\u7247
Dim TransparentColor As Long
TransparentColor = GetPixel(picSource.hdc, 0, 0) ‘\u9009\u62e9\u5de6\u4e0a\u89d2(0,0)\u7684\u989c\u8272\u4e3a\u5c4f\u853d\u8272
‘thne simply draw with the transparent color equal to the value we found above
With picSource
TransparentBlt Me.hdc, 0, 0, .ScaleWidth, .ScaleHeight, .hdc, 0, 0, .ScaleWidth, .ScaleHeight, TransparentColor
End With
Me.Refresh<\/p>\n\n\n\n

‘\u5de6\u56fe\u5c4f\u853d(\u7eff\u8272)\u540e\u663e\u793a\u4e3a\u53f3\u56fe\u3002<\/p>\n\n\n\n

\"\"<\/figure>\n","protected":false},"excerpt":{"rendered":"

Option ExplicitPrivate Declare Function TransparentBlt … \u7ee7\u7eed\u9605\u8bfb\u201c\u56fe\u7247\u989c\u8272\u5c4f\u853d\u201d<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[24,17],"class_list":["post-1384","post","type-post","status-publish","format-standard","hentry","category-bianchengyuandi","tag-vb","tag-biancheng"],"_links":{"self":[{"href":"https:\/\/www.wyrcad.com\/index.php?rest_route=\/wp\/v2\/posts\/1384","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wyrcad.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wyrcad.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wyrcad.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wyrcad.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1384"}],"version-history":[{"count":10,"href":"https:\/\/www.wyrcad.com\/index.php?rest_route=\/wp\/v2\/posts\/1384\/revisions"}],"predecessor-version":[{"id":1825,"href":"https:\/\/www.wyrcad.com\/index.php?rest_route=\/wp\/v2\/posts\/1384\/revisions\/1825"}],"wp:attachment":[{"href":"https:\/\/www.wyrcad.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1384"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wyrcad.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1384"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wyrcad.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1384"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}