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things you can do with a Rich Text Box

This Will Teach You How To Do Many Things With A RTB.

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Welcome to the unknown coders Rich Text Box Tutorial




1.Have you ever wondered how to format etc. using RTB's?


In Visual basics, there is a control called a RichText Box

This RichText Box allows you to  Syntax Color , change  font color ,  
change  font size ,  as well as allowing text to be  bold,italisized,underlined,have strikethrough,size,type 
and MUCH more!


 through out the tutorial we will refer to richtext boxes as " rtb " or "rtb's" 


there will be a few sections , explaing how to do these things , along with some helpful info along the way.




2.Possible Uses...

there some possible uses for RTB's , like :


A html editor , the use could be syntax coloring.

a text editor ( like wordpad ) so you can use font types , colors and sizes 

or just to make your programs look nicer!



3.the bare basic's ( bold etc )

First we will need to make the rtb.
to get one:

start a .exe project and :

press and hold ALT and then press p this will open the menu , 

now ( still holding alt ) press N , this will open the " refrences " menu.
 

scroll down the list untill you find some sort of thing says rich text box.select it and click ok.


for newbie programmers:

ALOT of functions and controls are not in the list to your left , 

to get more , simply repeat the previus selecting a diffrent one.




first thing : use that newfound rtb control and make a rtb on your form and name it rtb.

next i would create some sort of button etc. , name is cmdbold and attach this code to it:

 if rtb.selbold = false then
rtb.selbold = true 
else 
rtb.selbold = false
 end if  

explanation:

rtb.selbold is the formation to make the rtb well bold

the if procedure checks to see if its bold , if it isnt turns it on , and vica verca ( i think i spelt taht wrong ) 



here are some other things you can do to change the formating in an rtb.

replace selbold with:

selitalic , this makes it  italisized  

selunderline , this makes it  underlined 

selstrikethru , this makes is striked ( cant do that one :P ) 

4.colors and sizes!



its the same structure for color and sizes

add a new button called cmdcolor , and add a commondialog control and name it cd.

attach this code to cmdcolor : 

 on error resume next
cd.showcolor
rtb.selcolor = cd.color 
 

this simply opens a color dialog box and sets the rtb's color ( the line is rtb.selcolor = cd.color )


size is the same except this is all you need: 

make a new button and name it cmdsizeto40 , then add this code to the button 

on error resume next
rtb.selfontsize = 40 

this simply sets the rtb size to 40! 

thanx for reading this article , i will make it better , but i have to go.


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