vb.net 教程 12-6 webbrowser 文本编辑器 2
发布时间:2020-12-16 22:19:28 所属栏目:大数据 来源:网络整理
导读:编辑使用到的代码: '拷贝 Private Sub tsbCopy_Click(sender As Object,e As EventArgs) Handles tsbCopy.Click wbBlog.Document.ExecCommand(HTML_COMMAND_TEXT_COPY,False,"") End Sub '粘贴 Private Sub tsbPaste_Click(sender As Object,e As EventArgs
编辑使用到的代码: '拷贝 Private Sub tsbCopy_Click(sender As Object,e As EventArgs) Handles tsbCopy.Click wbBlog.Document.ExecCommand(HTML_COMMAND_TEXT_COPY,False,"") End Sub '粘贴 Private Sub tsbPaste_Click(sender As Object,e As EventArgs) Handles tsbPaste.Click ' wbBlog.Document.ExecCommand(HTML_COMMAND_TEXT_PASTE,"") wbBlog.Focus() SendKeys.Send("^v") End Sub注意:粘贴命令Paste似乎没有作用,这里用了直接发送键盘命令粘贴的方法的方法。 '粗体 Private Sub tsbBold_Click(sender As Object,e As EventArgs) Handles tsbBold.Click wbBlog.Document.ExecCommand(HTML_COMMAND_BOLD,"") End Sub '斜体 Private Sub tsbItalic_Click(sender As Object,e As EventArgs) Handles tsbItalic.Click wbBlog.Document.ExecCommand(HTML_COMMAND_ITALIC,"") End Sub '下划线 Private Sub tsbUnderline_Click(sender As Object,e As EventArgs) Handles tsbUnderline.Click wbBlog.Document.ExecCommand(HTML_COMMAND_UNDERLINE,"") End Sub '左对齐 Private Sub tsbLeft_Click(sender As Object,e As EventArgs) Handles tsbLeft.Click wbBlog.Document.ExecCommand(HTML_COMMAND_JUSTIFY_LEFT,"") End Sub '中间对齐 Private Sub tsbCenter_Click(sender As Object,e As EventArgs) Handles tsbCenter.Click wbBlog.Document.ExecCommand(HTML_COMMAND_JUSTIFY_CENTER,"") End Sub '右对齐 Private Sub tsbRight_Click(sender As Object,e As EventArgs) Handles tsbRight.Click wbBlog.Document.ExecCommand(HTML_COMMAND_JUSTIFY_RIGHT,"") End Sub '两端对齐 Private Sub tsbJustifyFull_Click(sender As Object,e As EventArgs) Handles tsbJustifyFull.Click wbBlog.Document.ExecCommand(HTML_COMMAND_JUSTIFY_FULL,"") End Sub '剪切 Private Sub tsbCut_Click(sender As Object,e As EventArgs) Handles tsbCut.Click wbBlog.Document.ExecCommand(HTML_COMMAND_TEXT_CUT,"") End Sub '撤销 Private Sub tsbUndo_Click(sender As Object,e As EventArgs) Handles tsbUndo.Click wbBlog.Document.ExecCommand(HTML_COMMAND_TEXT_UNDO,"") End Sub '重做 Private Sub tsbRedo_Click(sender As Object,e As EventArgs) Handles tsbRedo.Click wbBlog.Document.ExecCommand(HTML_COMMAND_TEXT_REDO,"") End Sub '清除样式 Private Sub tsbClear_Click(sender As Object,e As EventArgs) Handles tsbClear.Click wbBlog.Document.ExecCommand(HTML_COMMAND_REMOVE_FORMAT,"") End Sub '修改字体 Private Sub tscFont_SelectedIndexChanged(sender As Object,e As EventArgs) Handles tscFont.SelectedIndexChanged wbBlog.Document.ExecCommand(HTML_COMMAND_FONT_NAME,tscFont.Text) End Sub '修改字号 Private Sub tscFontSize_SelectedIndexChanged(sender As Object,e As EventArgs) Handles tscFontSize.SelectedIndexChanged wbBlog.Document.ExecCommand(HTML_COMMAND_FONT_SIZE,tscFontSize.SelectedIndex + 1) End Sub '字体颜色 Private Sub tsbFontColor_Click(sender As Object,e As EventArgs) Handles tsbFontColor.Click Dim fontcolor As Color If cdColor.ShowDialog() = DialogResult.OK Then fontcolor = cdColor.Color Else Exit Sub End If wbBlog.Document.ExecCommand(HTML_COMMAND_FORE_COLOR,System.Drawing.ColorTranslator.ToHtml(fontcolor)) End Sub '背景颜色 Private Sub tsbBackColor_Click(sender As Object,e As EventArgs) Handles tsbBackColor.Click Dim bgcolor As Color If cdColor.ShowDialog() = DialogResult.OK Then bgcolor = cdColor.Color Else Exit Sub End If wbBlog.Document.BackColor = bgcolor End Sub 注意:ExecCommand命令BackColor修改的是文字背后的颜色,而不是我们希望的整个网页的背景色,这里直接修改WebBrowser.Document.BackColor
'插入图片 Private Sub tsbImage_Click(sender As Object,e As EventArgs) Handles tsbImage.Click Dim imgpath As String If ofDialog.ShowDialog = DialogResult.OK Then imgpath = ofDialog.FileName Else Exit Sub End If wbBlog.Document.ExecCommand(HTML_COMMAND_INSERT_IMAGE,imgpath) End Sub
由于.net平台下C#和vb.NET很相似,本文也可以为C#爱好者提供参考。 学习更多vb.net知识,请参看 vb.net 教程 目录 (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |