In order to set the default text color, use the BaseForeground property. This is done in the constructor so all one needs to do is not set them. The background and foreground brushes should both be set to something transparent. This control can be used like a regular textbox with the following caveats. It exceeded my expectations, so here it is. I figured that this couldn’t possibly be slower than the RichTextBox, so I gave it a try. Selecting and editing will be handled by the underling text box functionality.The original text's brush can be set to something transparent so it will not cover up the decorated text.Since both sets of text are visible, I can make sure that they line up exactly.Recreate the same text as was in the textbox, but colorized and otherwise decorated.It took a few moments to progress from Oh that’s odd to Wow, my problem is solved, as I could now do the following. I was surprised to find that both the textbox’s text and my additional text were visible, as I expected only my overridden text to appear. For the heck of it, I overrode the OnRender method, and wrote a little text to the TextBox. I had tried numerous times to somehow get performance that compared to the WinForms RichTextBox, but failed. My problem was the painful slowness of the RichTextBox control.
For the n th time, I was considering moving it from WinForms to WPF. I was in the process of upgrading a Regular Expression generating tool of mine. As it is derived from the TextBox control, rather than the RichTextBox, it is quite speedy. This article presents an enhanced text box control that is designed to facilitate text coloring, highlighting, underlining, and striking.
0 kommentar(er)
