The Cocos2d-x provides the basic cclabelttf for text painting, the underlying implementation process of the text is like this, string first use local API to convert to ccimage, this step depends on the platform interface, then, it is converted from ccimage to cctexture2d texture for text rendering.
So how can we implement a RichTextBox through the cclabelttf and other font classes and support multiple colors, line breaks, emotices (images), and hyperl
News introduction:Editorcontrol is a usercontrol that contains two controls: A RichTextBox (which can be used to display row numbers, such as labels) on the left, and a component -- editorgrid1 inherited from RichTextBox on the right.
Key words:
Editorcontrol is a usercontrol that contains two controls: A RichTextBox (which can be used to display row numbers, suc
As several patches of VB6 exit, RichTextBox is quietly changing and supports richedit2.0. Therefore, we can set the dylinespacing Member of the structure paraformat2 and use the paraformat2 struct as the lparam parameter, to send the em_setparaformat message to RichTextBox, You can implement our requirements. The specific code is as follows:Option explicit
Private declare function sendmessage lib "USER32"
RichTextBox is familiar to everyone. You can use hyperlink to add hyperlinks.
The following code implements hyperlinks.
Displaying text with
However, in Windows Phone, if the link is an external URL, the navigation fails, because webbrowsertask must be used to start the browser in Windows Phone.
Okay, so let's modify and use webbrowsertask. Some people may say this is a good option to enable a webbrowsertask In the click event of hyp
lines in the same paragraph. The value ofSelectionhangingindentProperty only applies to lines in a paragraph that have wrapped below the first line.
SetSelectionrightindentProperty to an integer representing the distance in pixels between the right edge of the control and the right edge of the text.
' Visual Basic RichTextBox1.SelectionIndent = 8 RichTextBox1.SelectionHangingIndent = 3 RichTextBox1.SelectionRightIndent = 12 // C# richTextBox1.SelectionIndent = 8; richTextBo
Use the OPENXML SDK to read content by page:The following content uses wpf+richtextbox+flowdocment display, the test document total 3 pages of content, the picture shows is obtains the first page content, after enclosing the code, as follows:1 /// 2 ///load Word by page3 /// 4 /// 5 /// 6 /// 7 Public Static voidLOADWORDML ( ThisFlowDocument Flowdoc,stringFileNameintpage)8 {9XElement WordDoc =NU
stream| Code | problem
Problem Description:
WIN2000SP4 Chinese, vs2005 English, oracle9i.
In the program, there is a RichTextBox, to display the SQL statements of the database, use StreamWriter () to write the contents of RichTextBox into a text file, but if the SQL statement contains Chinese, there will be garbled.
Reason for error:
Constructor StreamWriter (String), by default, UTF-8 encoding to cr
Using System;
Using System. Collections. Generic;
Using System. text;
Using System. drawing;
Using System. Windows. forms;
NamespaceSPD. ERP. Common{PublicClassWritelog{PublicDelegateVoidLogappenddelegate (color,StringText );RichTextBox richtextboxremote;
/// /// The constructor transmits an instance of the RichTextBox Control. /// /// Public Writelog (
) sender;
// If the text is empty we set the background color of
// Textbox to red to indicate a problem. We use the tag Value
// Of the control to indicate if the control contains valid
// Information.
If (Tb. Text. Length = 0)
{
TB. backcolor = color. Red;
TB. Tag = false;
}
Else
{
TB. backcolor = system. Drawing. systemcolors. window;
TB. Tag = true;
}
}
RichTextBox allows you to format the text content, such as bo
In the actual design of the project, the UI rendering of RichTextBox needs to be changed. In the Coding process, ContentPresenter is used in the ControlTemplate of RichTextBox and cannot be used to render the Content of RichTextBox.
See MSDN for http://msdn.microsoft.com/en-us/library/ff457769 (v = vs.95). aspx
To render Content, you only need to write PART_Conte
RichTextBox is more powerful than common Textbox, because it can contain plain-style data and can be used to set the desired font style and color in segments and branches. It seems simple. During the writing process today, many detours have taken place. The detailed questions that I don't usually pay attention to are displayed. After a long time, I finally ended up writing them for your reference, avoid detours.
The biggest problem encountered was tha
Public const wm_user = H400Public const em_settargetdevice = (wm_user + 72)
Public declare function getdc lib "USER32" (byval hwnd as long) as longPublic declare function sendmessage lib "USER32" alias "sendmessagea "_(Byval hwnd as long ,_Byval wmsg as long ,_Byval wparam as long ,_Lparam as any) as long
Public sub autoswitchline (byref richtext as RichTextBox, byval bswitch as Boolean)If bswitch then'Set RichTe
." VS inside for the text display, the RichTextBox control does not show the line number function, so worry about the children's shoes can take the following methods:Interface design:Control: Panel,richtextboxThe following functions are generated in the RichTextBox:Call the following code in the function to draw the line number in the panel: Private voidShowlineno () {//get current coordinate informationPoint P = This. richtextbox1.location; i
The code is as follows://gets the index position of the mouse focus in the RichTextBox control intStartPosition = This. Richtextbox1.selectionstart; //Select several characters starting at the mouse focus This. Richtextbox1.selectionlength =2; //empty the Clipboard to prevent the contents before the insideclipboard.clear (); //to set a picture object for a clipboardBitmap BMP =NewBitmap (@"Images\editredo.png"); Clipb
RichTextBox file format is incorrect:Reason: Rich text box LoadFile method only supports RTF file or standard ASCII text This document, our general text document is ANSI or UTF-8 format, so, reported this error.Workaround: Use Notepad to edit the text, and then save the file as a rich Text format. Then double-click Open RTF file to enter the RTF edit page. Then save as RTF file, note that the encoding format must be Rich Text format.Graphic:1. (Becaus
Example of using APIs to control automatic text scrolling in richtextbox,
Let alone code
Public partial class Form1: Form
{
[DllImport ("user32.dll")]
[Return: financialas (UnmanagedType. Bool)]
Static extern bool GetScrollInfo (IntPtr hwnd, int fnBar, ref SCROLLINFO lpsi );
[DllImport ("user32.dll")]Static extern int SetScrollInfo (IntPtr hwnd, int fnBar, [In] ref SCROLLINFO lpsi, bool fRedraw );
[DllImport ("User32.dll", CharSet = CharSet. Auto, E
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