BorlandTalk.com Borland discussion newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  Unable to change colour of TCheckBox label in existing proje          BorlandTalk.com Forum Index -> C++ Builder (VCL Components Usage) View previous topic :: View next topic   Author Message Kris Guest Posted: Mon May 14, 2007 7:09 pm    Post subject: Unable to change colour of TCheckBox label in existing proje Hi, I've encountered a strange problem with changing the colour of a TCheckBox Label (the actual text colour, not the background). Normally, this isn't a problem. You can simply use the Font->Color property to change the colour (either via the object inspector at design time or change it at run-time). When I add a checkbox to my current project and change the colour of the checkbox label it does get shown in the correct colour while in design mode. However, as soon as I run my app the text colour is the default black again. Even setting the colour propery during run-time does not resolve the issue (MyCheckBox->Font->Color=clGreen). Strangely enough, when I start fresh with a new project and add a TCheckBox I have no problems whatsoever with changing the text colour. It's just with my current project that I'm having these strange problems. I even commented out my constructor to completely exclude the possibility that some of my startup-code was causing this strange behaviour. But nothing helps... If anyone has any ideas as to what is causing this strange problem, then please let me know. I'm using BDS2006 Update2. Thanks, Kris Back to top Pete Fraser Guest Posted: Mon May 14, 2007 7:18 pm    Post subject: Re: Unable to change colour of TCheckBox label in existing p Could this be because you have XP Theming turned on? This could over-write your settings. It certainly does for some other controls. You won't see this in the BDS2006 designer as it is not themed. (Delphi 2007 is themed (and presumably so will C++Builder 2007) and shows this.) HTH Pete "Kris" <test (AT) test (DOT) com> wrote in message news:46486dbf$1 (AT) newsgroups (DOT) borland.com... Quote: Hi, I've encountered a strange problem with changing the colour of a TCheckBox Label (the actual text colour, not the background). Normally, this isn't a problem. You can simply use the Font->Color property to change the colour (either via the object inspector at design time or change it at run-time). When I add a checkbox to my current project and change the colour of the checkbox label it does get shown in the correct colour while in design mode. However, as soon as I run my app the text colour is the default black again. Even setting the colour propery during run-time does not resolve the issue (MyCheckBox->Font->Color=clGreen). Strangely enough, when I start fresh with a new project and add a TCheckBox I have no problems whatsoever with changing the text colour. It's just with my current project that I'm having these strange problems. I even commented out my constructor to completely exclude the possibility that some of my startup-code was causing this strange behaviour. But nothing helps... If anyone has any ideas as to what is causing this strange problem, then please let me know. I'm using BDS2006 Update2. Thanks, Kris Back to top Kris Guest Posted: Mon May 14, 2007 7:33 pm    Post subject: Re: Unable to change colour of TCheckBox label in existing p Pete Fraser wrote: Quote: Could this be because you have XP Theming turned on? This could over-write your settings. It certainly does for some other controls. You're absolutely correct. My current project does use XP theming which is causing the 'problem'. At least now I know what is causing this. I assume it won't be possible to change the colour (other than disabling theming, which isn't an option). Thanks, Kris Back to top Pete Fraser Guest Posted: Mon May 14, 2007 7:48 pm    Post subject: Re: Unable to change colour of TCheckBox label in existing p I believe there is a call to turn theming off for a control but you need to be careful as if you make a checkbox font red and then a user sets their theme so that red text is unreadable - your application will be not nice to use. you probably need to change your UI so that you don't need to change font colors but use something else. HTH Pete "Kris" <test (AT) test (DOT) com> wrote in message news:46487363$1 (AT) newsgroups (DOT) borland.com... Quote: Pete Fraser wrote: Could this be because you have XP Theming turned on? This could over-write your settings. It certainly does for some other controls. You're absolutely correct. My current project does use XP theming which is causing the 'problem'. At least now I know what is causing this. I assume it won't be possible to change the colour (other than disabling theming, which isn't an option). Back to top Kris Guest Posted: Tue May 15, 2007 3:55 pm    Post subject: Re: Unable to change colour of TCheckBox label in existing p Pete Fraser wrote: Quote: you probably need to change your UI so that you don't need to change font colors but use something else. My application is a wizard style. The navigation bar at the bottom of the wizard respects the Windows theme. However, the rest of the wizard is a typical white pane with black text on which the wizard's functionality is displayed. In order to make absolutely sure that the checkboxes are correctly displayed on the white background I wanted make sure they were always displayed in black. Well, I don't expect to encounter much problems from not setting the CheckBox text colour. I'm expecting more problems if I force theming off for the CheckBoxes. So, I'll leave it like it is. 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