Overriding Theme for Specific Control After applying Customized Theme For Entire Application

6 posts, 0 answers
  1. Surya
    Surya avatar
    41 posts
    Member since:
    Nov 2011

    Posted 08 Dec 2011 Link to this post


      i am using Customize Theme for my for entire  Windows Application . My Requirement for search textboxes i need Shaded Background Color As attached ShadedTextbox.png.

       After goggling i came to know that we can use 2 customize themes , one is for Entire Application and the other is for Search textboxes.
    I tried http://www.telerik.com/community/forums/winforms/buttons/override-button-color-with-theme.aspx , but i unable to achieved.

    Please look below sample code 
       Assembly lAssembly = Assembly.LoadFrom("RadTheme.dll");
                ThemeResolutionService.LoadPackageResource(lAssembly, "RadTheme.Theme.FenixTheme.tssp");
                ThemeResolutionService.LoadPackageResource(lAssembly, "RadTheme.Theme.FenixThemeTwo.tssp");


                ThemeResolutionService.ApplicationThemeName = "FenixTheme";
                this.radTextBox1.ThemeName = "FenixThemeTwo";

    Please Find Attached Image SampleApp.png.


  2. Ivan Petrov
    Ivan Petrov avatar
    717 posts

    Posted 12 Dec 2011 Link to this post

    Hello Surya,

    Thank you for writing.

    If you want to use two themes at the same time you cannot use ThemeResolutionService.ApplicationThemeName, because after you set this property the ThemeName property of each control is ignored and will not affect its theme. To use two themes you have to set the theme individually to each control using the ThemeName property. One thing that will help you is using ThemeResolutionService.ApplyThemeToControlTree and passing as parameters a form and the theme name you want to set to most of the controls. After that you can set the ThemeName property for the controls you want with a different theme to the desired theme name. One draw back of this method is that you will have to set the theme in all forms separately.

    I noticed that I have made an error in the forum thread you have followed by suggesting ApplicationThemeName at the bottom of the thread. Actually, I meant to write ApplyThemeToControlThree.
    Now this error is addressed. 

    I hope this will help. If you have further questions, I would be glad to assist.

    Ivan Petrov
    the Telerik team

    Q3’11 of RadControls for WinForms is available for download (see what's new). Get it today.

  3. Jim
    Jim avatar
    7 posts
    Member since:
    Nov 2017

    Posted 12 Apr 2018 in reply to Ivan Petrov Link to this post

    Following this up 7 years later, it turns out that

    >If you want to use two themes at the same time you cannot use ThemeResolutionService.ApplicationThemeName, because after you set this property the ThemeName property of each control is ignored and will not affect its theme.

    is no longer the case. You can override the them of a control even if you have used ThemeResolutionService.ApplicationThemeName by calling:

                myControl.ElementTree.EnableApplicationThemeName = false;
                myControl.ThemeName = "Office2013Dark";

  4. Hristo
    Hristo avatar
    1522 posts

    Posted 13 Apr 2018 Link to this post

    Hi Jim,

    Thank you for updating the thread. Indeed the required behavior is now possible: https://docs.telerik.com/devtools/winforms/themes/using-a-default-theme-for-the-entire-application#enabledisable-the-globally-set-theme-for-a-specific-control
    ThemeResolutionService.ApplicationThemeName = "Office2010Blue";
    radGridView1.ElementTree.EnableApplicationThemeName = false;
    radGridView1.ThemeName = "Office2010Silver";

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  5. Ali
    Ali avatar
    8 posts
    Member since:
    Nov 2014

    Posted 14 Sep 2019 Link to this post

    Implementing the code as below, I have faced another problem:
    In objects having a child object, like RadDropdownButton or RadCheckedDropDownList,  theme of the parent object will be changed to the new theme (Office2010Silver) but dropdown-elements still remain in the main-theme (Office2010Blue).
    Is there any solution to make them inherited from the parent object's theme?

    ThemeResolutionService.ApplicationThemeName = "Office2010Blue";
    radGridView1.ElementTree.EnableApplicationThemeName = false;
    radGridView1.ThemeName = "Office2010Silver";
  6. Dimitar
    Dimitar avatar
    2960 posts

    Posted 16 Sep 2019 Link to this post

    Hello Ali,

    The popup is a separate control where you need to set the EnableApplicationThemeName property as well:

    radDropDownButton1.ElementTree.EnableApplicationThemeName = false;
    radDropDownButton1.ThemeName = "Office2010Silver";
    var popup  = radDropDownButton1.DropDownButtonElement.DropDownMenu.ElementTree.Control as RadControl;
    popup.ElementTree.EnableApplicationThemeName = false;
    radCheckedDropDownList1.ElementTree.EnableApplicationThemeName = false;
    radCheckedDropDownList1.ThemeName = "Office2010Silver";
    var popup1 = radCheckedDropDownList1.CheckedDropDownListElement.Popup as RadControl;
    popup1.ElementTree.EnableApplicationThemeName = false;

    I hope this helps. Should you have any other questions, do not hesitate to ask.

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