📄 c++ builder 程序设计实用教程 - 9_1_3 利用剪贴板传输图像 - 张晋 - 17xie.htm
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<H3 style="MARGIN: 15pt 0cm 0pt"><A name=_Toc502915477></A><FONT size=3><FONT
face="Times New Roman"><st1:chsdate Year="1899" Month="12" Day="30"
IsLunarDate="False" IsROCDate="False" w:st="on"><SPAN
style="mso-bookmark: _Toc502915477"><SPAN
lang=EN-US>9.1.3</SPAN></SPAN></st1:chsdate><SPAN
style="mso-bookmark: _Toc502915477"><SPAN lang=EN-US><SPAN
style="mso-spacerun: yes"> </SPAN></SPAN></SPAN></FONT><SPAN
style="mso-bookmark: _Toc502915477"><SPAN
style="FONT-FAMILY: 黑体; mso-ascii-font-family: 'Times New Roman'">利用剪贴板传输图像</SPAN></SPAN></FONT></H3>
<H4 style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT
face="Times New Roman">1</FONT></SPAN><SPAN
style="FONT-FAMILY: 楷体_GB2312; mso-ascii-font-family: 'Times New Roman'">．拷贝操作</SPAN><SPAN
lang=EN-US><FONT face="Times New Roman"> </FONT></SPAN></H4>
<P class=MsoNormalIndent style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT
face="Times New Roman">Image</FONT></SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">部件上的内容和窗体上的图形可以直接拷贝到剪贴板。图像拷贝利用</SPAN><SPAN
lang=EN-US><FONT face="Times New Roman">Clipboard</FONT></SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">的</SPAN><SPAN
lang=EN-US><FONT face="Times New Roman">Assign</FONT></SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">方法。</SPAN></P>
<P class=MsoNormalIndent style="MARGIN: 0cm 0cm 0pt"><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">例如：</SPAN></P>
<P class=MsoNormalIndent style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT
face="Times New Roman">Clipboard->Assign(Image1->Picture);</FONT></SPAN></P>
<P class=MsoNormalIndent style="MARGIN: 0cm 0cm 0pt"><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">把</SPAN><SPAN
lang=EN-US><FONT face="Times New Roman">Image1</FONT></SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">上的图像拷贝到剪贴板。</SPAN></P>
<H4 style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT
face="Times New Roman">2</FONT></SPAN><SPAN
style="FONT-FAMILY: 楷体_GB2312; mso-ascii-font-family: 'Times New Roman'">．剪切操作</SPAN></H4>
<P class=MsoNormalIndent style="MARGIN: 0cm 0cm 0pt"><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">图像的剪切是首先把图像拷贝到剪贴板，而后在原位置用空白图像进行覆盖。</SPAN></P>
<P class=MsoNormalIndent style="MARGIN: 0cm 0cm 0pt"><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">下面一段程序表示了图像的剪切：</SPAN></P>
<P class=a style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US
style="FONT-FAMILY: 'Times New Roman'"><FONT size=2>Trect<SPAN
style="mso-spacerun: yes"> </SPAN>*Arect;<o:p></o:p></FONT></SPAN></P>
<P class=a style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US
style="FONT-FAMILY: 'Times New Roman'"><FONT size=2><SPAN
style="mso-spacerun: yes"> </SPAN><o:p></o:p></FONT></SPAN></P>
<P class=a style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US
style="FONT-FAMILY: 'Times New Roman'"><FONT size=2>void _fastcall<SPAN
style="mso-spacerun: yes"> </SPAN>TForm1::Cut1Click(Tobject<SPAN
style="mso-spacerun: yes"> </SPAN>*Sender)<o:p></o:p></FONT></SPAN></P>
<P class=a style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US
style="FONT-FAMILY: 'Times New Roman'"><FONT size=2><SPAN
style="mso-tab-count: 1">
</SPAN>{<o:p></o:p></FONT></SPAN></P>
<P class=a style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US
style="FONT-FAMILY: 'Times New Roman'"><FONT size=2><SPAN
style="mso-spacerun: yes">
</SPAN>Clipboard->Assign(Image1->Picture);<o:p></o:p></FONT></SPAN></P>
<P class=a style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US
style="FONT-FAMILY: 'Times New Roman'"><FONT size=2><SPAN
style="mso-tab-count: 1">
</SPAN><SPAN style="mso-spacerun: yes"> </SPAN>Do while(
Image->Canvas)<o:p></o:p></FONT></SPAN></P>
<P class=a style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US
style="FONT-FAMILY: 'Times New Roman'"><FONT size=2><SPAN
style="mso-tab-count: 1">
</SPAN><SPAN style="mso-spacerun: yes">
</SPAN>{<o:p></o:p></FONT></SPAN></P>
<P class=a style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US
style="FONT-FAMILY: 'Times New Roman'"><FONT size=2><SPAN
style="mso-spacerun: yes"> </SPAN>CopyMode = cmWhiteness;<SPAN
style="mso-tab-count: 1"> </SPAN><o:p></o:p></FONT></SPAN></P>
<P class=a style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US
style="FONT-FAMILY: 'Times New Roman'"><FONT size=2><SPAN
style="mso-tab-count: 1">
</SPAN><SPAN style="mso-spacerun: yes"> </SPAN>ARect = Rect(0,
0, Image.Width, Image.Height);<SPAN
style="mso-tab-count: 1">
</SPAN><o:p></o:p></FONT></SPAN></P>
<P class=a style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US
style="FONT-FAMILY: 'Times New Roman'"><FONT size=2><SPAN
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