How to customize message box

Question

I am doing C  application  and I want to change the style of a message box  Is it possible or not   Example  change button style  fore color  etc

User · Answer

MessageBox  Show uses function from user32 dll  and its style is dependent on Windows  so you cannot change it like that  you have to create your own form

User · Answer

Here is the code needed to create your own message box   using System  using System Collections Generic  using System ComponentModel  using System Data  using System Drawing  using System Linq  using System Text  using System Windows Forms   namespace MyStuff       public class MyLabel   Label               public static Label Set string Text       Font Font   null  Color ForeColor   new Color    Color BackColor   new Color                          Label l   new Label                l Text   Text              l Font    Font    null    new Font  Calibri   12    Font              l ForeColor    ForeColor    new Color      Color Black   ForeColor              l BackColor    BackColor    new Color      SystemColors Control   BackColor              l AutoSize   true              return l                      public class MyButton   Button               public static Button Set string Text       int Width   102  int Height   30  Font Font   null  Color ForeColor   new Color    Color BackColor   new Color                          Button b   new Button                b Text   Text              b Width   Width              b Height   Height              b Font    Font    null    new Font  Calibri   12    Font              b ForeColor    ForeColor    new Color      Color Black   ForeColor              b BackColor    BackColor    new Color      SystemColors Control   BackColor              b UseVisualStyleBackColor    b BackColor    SystemColors Control               return b                      public class MyImage   PictureBox               public static PictureBox Set string ImagePath   null  int Width   60  int Height   60                        PictureBox i   new PictureBox                if  ImagePath    null                                i BackgroundImageLayout   ImageLayout Zoom                  i Location   new Point 9  9                   i Margin   new Padding 3  3  2  3                   i Size   new Size Width  Height                   i TabStop   false                  i Visible   true                  i BackgroundImage   Image FromFile ImagePath                             else                               i Visible   true                  i Size   new Size 0  0                             return i                      public partial class MyMessageBox   Form               private MyMessageBox                         this panText   new FlowLayoutPanel                this panButtons   new FlowLayoutPanel                this SuspendLayout                                   panText                             this panText Parent   this              this panText AutoScroll   true              this panText AutoSize   true              this panText AutoSizeMode   AutoSizeMode GrowAndShrink                this panText Location   new Point 90  90               this panText Margin   new Padding 0               this panText MaximumSize   new Size 500  300               this panText MinimumSize   new Size 108  50               this panText Size   new Size 108  50                                  panButtons                             this panButtons AutoSize   true              this panButtons AutoSizeMode   AutoSizeMode GrowAndShrink              this panButtons FlowDirection   FlowDirection RightToLeft              this panButtons Location   new Point 89  89               this panButtons Margin   new Padding 0               this panButtons MaximumSize   new Size 580  150               this panButtons MinimumSize   new Size 108  0               this panButtons Size   new Size 108  35                                  MyMessageBox                             this AutoScaleDimensions   new SizeF 8F  19F               this AutoScaleMode   AutoScaleMode Font              this ClientSize   new Size 206  133               this Controls Add this panButtons               this Controls Add this panText               this Font   new Font  Calibri   12F  FontStyle Regular  GraphicsUnit Point    byte  0                 this FormBorderStyle   FormBorderStyle FixedSingle              this Margin   new Padding 4               this MaximizeBox   false              this MinimizeBox   false              this MinimumSize   new Size 168  132               this Name    MyMessageBox               this ShowIcon   false              this ShowInTaskbar   false              this StartPosition   FormStartPosition CenterScreen              this ResumeLayout false               this PerformLayout                      public static string Show Label Label  string Title       List lt Button gt  Buttons   null  PictureBox Image   null                        List lt Label gt  Labels   new List lt Label gt                 Labels Add Label               return Show Labels  Title  Buttons  Image                     public static string Show string Label  string Title       List lt Button gt  Buttons   null  PictureBox Image   null                        List lt Label gt  Labels   new List lt Label gt                 Labels Add MyLabel Set Label                return Show Labels  Title  Buttons  Image                     public static string Show List lt Label gt  Labels   null  string Title       List lt Button gt  Buttons   null  PictureBox Image   null                        if  Labels    null  Labels   new List lt Label gt                 if  Labels Count    0  Labels Add MyLabel Set                   if  Buttons    null  Buttons   new List lt Button gt                 if  Buttons Count    0  Buttons Add MyButton Set  OK                 List lt Button gt  buttons   new List lt Button gt  Buttons               buttons Reverse                 int ImageWidth   0              int ImageHeight   0              int LabelWidth   0              int LabelHeight   0              int ButtonWidth   0              int ButtonHeight   0              int TotalWidth   0              int TotalHeight   0               MyMessageBox mb   new MyMessageBox                 mb Text   Title                 Image             if  Image    null                                mb Controls Add Image                   Image MaximumSize   new Size 150  300                   ImageWidth   Image Width   Image Margin Horizontal                  ImageHeight   Image Height   Image Margin Vertical                               Labels             List lt int gt  il   new List lt int gt                 mb panText Location   new Point 9   ImageWidth  9               foreach  Label l in Labels                                mb panText Controls Add l                   l Location   new Point 200  50                   l MaximumSize   new Size 480  2000                   il Add l Width                             int mw   Labels Max x   gt  x Width               il ToString                Labels ForEach l   gt  l MinimumSize   new Size Labels Max x   gt  x Width   1                mb panText Height   Labels Sum l   gt  l Height               mb panText MinimumSize   new Size Labels Max x   gt  x Width    mb ScrollBarWidth Labels   ImageHeight               mb panText MaximumSize   new Size Labels Max x   gt  x Width    mb ScrollBarWidth Labels   300               LabelWidth   mb panText Width              LabelHeight   mb panText Height                 Buttons             foreach  Button b in buttons                                mb panButtons Controls Add b                   b Location   new Point 3  3                   b TabIndex   Buttons FindIndex i   gt  i Text    b Text                   b Click    new EventHandler mb Button Click                             ButtonWidth   mb panButtons Width              ButtonHeight   mb panButtons Height                 Set Widths             if  ButtonWidth  gt  ImageWidth   LabelWidth                                Labels ForEach l   gt  l MinimumSize   new Size ButtonWidth - ImageWidth - mb ScrollBarWidth Labels   1                    mb panText Height   Labels Sum l   gt  l Height                   mb panText MinimumSize   new Size Labels Max x   gt  x Width    mb ScrollBarWidth Labels   ImageHeight                   mb panText MaximumSize   new Size Labels Max x   gt  x Width    mb ScrollBarWidth Labels   300                   LabelWidth   mb panText Width                  LabelHeight   mb panText Height                            TotalWidth   ImageWidth   LabelWidth                 Set Height             TotalHeight   LabelHeight   ButtonHeight               mb panButtons Location   new Point TotalWidth - ButtonWidth   9  mb panText Location Y   mb panText Height                mb Size   new Size TotalWidth   25  TotalHeight   47               mb ShowDialog                return mb Result                     private FlowLayoutPanel panText          private FlowLayoutPanel panButtons          private int ScrollBarWidth List lt Label gt  Labels                        return  Labels Sum l   gt  l Height   gt  300    23   6                     private void Button Click object sender  EventArgs e                        Result     Button sender  Text              Close                       private string Result

User · Answer

You can t restyle the default MessageBox as that s dependant on the current Windows OS theme  however you can easily create your own MessageBox  Just add a new form  i e  MyNewMessageBox  to your project with these settings   FormBorderStyle    FixedToolWindow ShowInTaskBar      False StartPosition      CenterScreen   To show it use myNewMessageBoxInstance ShowDialog     And add a label and buttons to your form  such as OK and Cancel and set their DialogResults appropriately  i e  add a button to MyNewMessageBox and call it btnOK  Set the DialogResult property in the property window to DialogResult OK  When that button is pressed it would return the OK result   MyNewMessageBox myNewMessageBoxInstance   new MyNewMessageBox    DialogResult result   myNewMessageBoxInstance ShowDialog    if  result    DialogResult OK           etc     It would be advisable to add your own Show method that takes the text and other options you require   public DialogResult Show string text  Color foreColour         lblText Text   text       lblText ForeColor   foreColour       return this ShowDialog

[c#] How to customize message box

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