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POChanging buttons' and pictureboxes' BackColor on all forms
 

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  1. POChanging buttons' and pictureboxes' BackColor on all forms
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    <p>In my application I have got an option to customise display a bit. Basically, now it is about changing buttons' and pictureboxes' images, changing form icons etc. As you can see in the code I provided bellow. So, in this case, I have done this by simply loading a bunch of resources (images) and then when I change theme: </p> <pre><code>if (Properties.Settings.Default.Theme == "Purple") { foreach (var form in Application.OpenForms.Cast&lt;Form&gt;()) { form.Icon = Properties.Resources.Purple; } Main f1 = (Main)Application.OpenForms["Main"]; Settings f2 = (Settings)Application.OpenForms["Settings"]; f1.btn_Exit.Image = Properties.Resources.EXIT_purple; f2.btn_SaveSettings.Image = Properties.Resources.SaveSettings_purple; f1.pictureBox1.Image = Properties.Resources.Preview_purple; } </code></pre> <p>This dramatically increases the size of the application, so I came up with changing BackColor instead of loading another images. I have tried to solve this in the following way:</p> <pre><code>if (Properties.Settings.Default.Theme == "Purple") { foreach (var form in Application.OpenForms.Cast&lt;Form&gt;()) { form.Icon = Properties.Resources.Purple; } Main f1 = (Main)Application.OpenForms["Main"]; Settings f2 = (Settings)Application.OpenForms["Settings"]; f1.btn_Exit.BackColor = Color.FromArgb(164, 57, 226); f2.btn_SaveSettings.BackColor = Color.FromArgb(164, 57, 226); f2.pictureBox1.BackColor = Color.FromArgb(164, 57, 226); } </code></pre> <p>So, form icon should be changed on all running forms and I have managed to successfully do so, but when it comes to buttons and pictureboxes, I am not seeing any results, that is buttons and pictureboxes are simply not changing. Besides form icons, I should change <code>btn_Exit</code> located on the <code>Main</code> form, <code>btn_SaveSettings</code> located on the <code>Settings</code> form, and <code>pictureBox1</code> located on the <code>Settings</code> form as well. </p> <p>How can I solve this issue?</p>
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    1. COWhat is `btn_Exit` ? A property of `Main` returning what? And idea with Themeing is a bit wrong, imagine you have 100 forms and 10 buttons on each.. there should be rather some interface or component similar to `ToolTip` attaching property `Themeable=true` and registering control, so you just go through all registered controls in single loop and changing their properties at once.
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      1. POChanging buttons' and pictureboxes' BackColor on all forms
      1. USSinatr
    2. CObtn_Exit is a button located on form named Main. I don't know how to answer this question more precisely. Anyway, I can see where are you coming from and I know that this is not the best solution, but it works for me. Do you have any suggestions how can I have desired results in my case?
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      1. POChanging buttons' and pictureboxes' BackColor on all forms
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    3. COI'll try to guess, what pictures are covering the whole area of buttons or pictureBoxes, so you don't see result of changing `BackColor`.
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      1. USSinatr
 

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