c# - Richtexbox text style corruption when minimized -


i'm using richtexbox component message history panel. message consist of header (printed red , old) , body on new line.

it works using code:

richtextbox1.selectioncolor = color.red; richtextbox1.selectionfont = new font(richtextbox1.selectionfont, fontstyle.bold); richtextbox1.appendtext(header);     richtextbox1.selectioncolor = color.black; richtextbox1.selectionfont = new font(richtextbox1.selectionfont, fontstyle.regular); richtextbox1.appendtext(environment.newline + text + environment.newline + environment.newline);

everything works ok when window active. messages added in time, when window minimized have corrupted font style , color. in cases looks body uses header style.

resolved using combination of

richtextbox1.update();  richtextbox1.deselectall();

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