MessageBox

DianeXceed edited this page Jun 19, 2017 · 2 revisions

MessageBox

Derives from Xceed.Wpf.Toolkit.Primitives.WindowControl

Starting with version 2.0, MessageBox (and ChildWindow) is derived from WindowControl and no longer manages its parent’s background or the positioning of itself based on its parent’s size.

A WindowContainer should now be used to contain these controls. It provides an area where WindowControl-derived controls (ChildWindow or MessageBox controls) can be displayed. This is particularly interesting in an XBAP application where windows can't be popped up. In this case the WindowContainer can be sized to fit the application and the window-like control can be moved around in the WindowContainer.

The WindowContainer derives from Canvas and positions its children according to its size. Many actions performed on its children are managed by the WindowContainer (movement and positioning, resizing, visibility, modal, and mouse click). This will restrict the WindowControl movements and resizing to the WindowContainer’s size.

When no Width and Height are specified in the WindowContainer, its DesiredSize will be the size of its biggest child.

Buttons

Icons

Usage

The MessageBox mimics the behavior of the System.Windows.MessageBox closely. You use similar syntax to create and show a message box.

      MessageBoxResult result =  Xceed.Wpf.Toolkit.MessageBox.Show("Hello world!", "Extended WPF ToolKit MessageBox", MessageBoxButton.OK, MessageBoxImage.Question);
      MessageBoxResult result =  Xceed.Wpf.Toolkit.MessageBox.Show("Hello world!", "Extended WPF ToolKit MessageBox", MessageBoxButton.OK);
      MessageBoxResult result =  Xceed.Wpf.Toolkit.MessageBox.Show("Hello world!", "Extended WPF ToolKit MessageBox");
      MessageBoxResult result =  Xceed.Wpf.Toolkit.MessageBox.Show("Hello world!");

Style Guide

You can style the MessageBox to fit the theme of your application by using a few of the MessageBox's properties. The following image depicts what properties modify which parts of the MessageBox control.

Properties

Property Description
ButtonRegionBackground Gets or sets the background of the region behind the message box buttons.
CancelButtonContent Gets or sets the content of the Cancel button.
CancelButtonStyle Gets or sets the style of the Cancel button.
Caption Gets or sets the caption of the message box. (Inherited from Xceed.Wpf.Toolkit.Primitives.WindowControl)
CaptionForeground Gets or sets the font color of the caption. (Inherited from Xceed.Wpf.Toolkit.Primitives.WindowControl)
CaptionIcon Gets or sets the caption icon. (Inherited from Xceed.Wpf.Toolkit.Primitives.WindowControl)
CaptionShadowBrush Gets or sets the brush of the caption's shadow. (Inherited from Xceed.Wpf.Toolkit.Primitives.WindowControl)
CloseButtonStyle Gets or sets the style of the close button. (Inherited from Xceed.Wpf.Toolkit.Primitives.WindowControl)
CloseButtonVisibility Gets or sets the visibility of the Close button. (Inherited from Xceed.Wpf.Toolkit.Primitives.WindowControl)
ImageSource Gets or sets the ImageSource.
IsActive Gets or sets whether the control is active. (Inherited from Xceed.Wpf.Toolkit.Primitives.WindowControl)
Left Gets or sets the left side of the control. (Inherited from Xceed.Wpf.Toolkit.Primitives.WindowControl)
MessageBoxResult Gets the MessageBox result, which is set when the Closed event is raised.
NoButtonContent Gets or sets the content of the No button.
NoButtonStyle Gets or sets the style of the No button.
OkButtonContent Gets or sets the content of the OK button.
OkButtonStyle Gets or sets the OK button's style.
Text Gets or sets the text of the message box.
Top Gets or sets the top side of the control. (Inherited from Xceed.Wpf.Toolkit.Primitives.WindowControl)
WindowBackground Gets or sets the background color of the MessageBox window. (Inherited from Xceed.Wpf.Toolkit.Primitives.WindowControl)
WindowBorderBrush Gets or sets the color of the outer border of the MessageBox. (Inherited from Xceed.Wpf.Toolkit.Primitives.WindowControl)
WindowBorderThickness Gets or sets the window's border thickness. (Inherited from Xceed.Wpf.Toolkit.Primitives.WindowControl)
WindowInactiveBackground Gets or sets the window's inactive background. (Inherited from Xceed.Wpf.Toolkit.Primitives.WindowControl)
WindowOpacity Gets or sets the opacity of the MessageBox, but does not effect the close button or the message text area. (Inherited from Xceed.Wpf.Toolkit.Primitives.WindowControl)
WindowStyle Gets or sets the window's style. (Inherited from Xceed.Wpf.Toolkit.Primitives.WindowControl)
WindowThickness Gets or sets the window's thickness. (Inherited from Xceed.Wpf.Toolkit.Primitives.WindowControl)
YesButtonContent Gets or sets the content of the Yes button.
YesButtonStyle Gets or sets the Yes button's style.

Events

Event Description
CloseButtonClicked Raised when the Close button is clicked. (Inherited from Xceed.Wpf.Toolkit.Primitives.WindowControl)
Closed Raised when the message box is closed.
HeaderDragDelta Raised as the mouse changes position when a header has logical focus and mouse capture. (Inherited from Xceed.Wpf.Toolkit.Primitives.WindowControl)
HeaderIconClicked Raised when the header icon is clicked. (Inherited from Xceed.Wpf.Toolkit.Primitives.WindowControl)
HeaderIconDoubleClicked Raised when the header icon is double-clicked. (Inherited from Xceed.Wpf.Toolkit.Primitives.WindowControl)
HeaderMouseLeftButtonClicked Raised when the header is clicked using the left mouse button. (Inherited from Xceed.Wpf.Toolkit.Primitives.WindowControl)
HeaderMouseLeftButtonDoubleClicked Raised when the header is double-clicked using the left mouse button. (Inherited from Xceed.Wpf.Toolkit.Primitives.WindowControl)
HeaderMouseRightButtonClicked Raised when the header is clicked using the right mouse button. (Inherited from Xceed.Wpf.Toolkit.Primitives.WindowControl)

Methods

Method Description
Show Overloaded. Displays a message box.
ShowDialog Display the MessageBox window and returns only when this MessageBox closes.
ShowMessageBox Overloaded. Displays this message box when embedded in a WindowContainer parent.

Example

You can style all instances of your MessageBox control by placing the style definition markup inside your App.xaml file under the resources section. To create the following ugly style requires the following markup.

        <SolidColorBrush x:Key="MyButtonHoverBrush" Color="YellowGreen" />
        <SolidColorBrush x:Key="MyButtonPressedBrush" Color="Maroon" />
        
        <Style x:Key="MyCloseButtonStyle" TargetType="Button">
            <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate TargetType="Button">
                        <Grid>
                            <VisualStateManager.VisualStateGroups>
                                <VisualStateGroup x:Name="CommonStates">
                                    <VisualState x:Name="Normal"/>
                                    <VisualState x:Name="MouseOver">
                                        <Storyboard>
                                            <ObjectAnimationUsingKeyFrames BeginTime="00:00:00" Duration="00:00:00.0010000" Storyboard.TargetName="Background" Storyboard.TargetProperty="(Border.Background)">
                                                <DiscreteObjectKeyFrame KeyTime="00:00:00" Value="{StaticResource MyButtonHoverBrush}"></DiscreteObjectKeyFrame>
                                            </ObjectAnimationUsingKeyFrames>
                                        </Storyboard>
                                    </VisualState>
                                    <VisualState x:Name="Pressed">
                                        <Storyboard>
                                            <ObjectAnimationUsingKeyFrames BeginTime="00:00:00" Duration="00:00:00.0010000" Storyboard.TargetName="Background" Storyboard.TargetProperty="(Border.Background)">
                                                <DiscreteObjectKeyFrame KeyTime="00:00:00" Value="{StaticResource MyButtonPressedBrush}"></DiscreteObjectKeyFrame>
                                            </ObjectAnimationUsingKeyFrames>
                                        </Storyboard>
                                    </VisualState>
                                </VisualStateGroup>
                            </VisualStateManager.VisualStateGroups>
                            <Border x:Name="Background" CornerRadius="0,0,2,0" Background="Green">
                                <Border Margin="1,0,1,1" BorderBrush="#59FFFFFF" BorderThickness="1" CornerRadius="0,0,1,0"/>
                            </Border>
                            <ContentPresenter x:Name="contentPresenter" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" Margin="{TemplateBinding Padding}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}" Content="{TemplateBinding Content}" ContentTemplate="{TemplateBinding ContentTemplate}"/>
                            <Path x:Name="path" Fill="White" Margin="0,0,0,1" Visibility="Collapsed"
	                Height="6"
		Width="7"
		Stretch="Fill"
		Opacity="1"
		Data="M 2,6 C2,6 3,6 3,6 3,6 3,5 3,5 3,5 4,5 4,5 4,5 4,6 4,6 4,6 5,6 5,6 5,6 7,6 7,6 7,6 7,5 7,5 7,5 6,5 6,5 6,5 6,4 6,4 6,4 5,4 5,4 5,4 5,2 5,2 5,2 6,2 6,2 6,2 6,1 6,1 6,1 7,1 7,1 7,1 7,0 7,0 7,0 5,0 5,0 5,0 4,0 4,0 4,0 4,1 4,1 4,1 3,1 3,1 3,1 3,0 3,0 3,0 2,0 2,0 2,0 0,0 0,0 0,0 0,1 0,1 0,1 1,1 1,1 1,1 1,2 1,2 1,2 2,2 2,2 2,2 2,4 2,4 2,4 1,4 1,4 1,4 1,5 1,5 1,5 0,5 0,5 0,5 0,6 0,6 0,6 2,6 2,6 z"/>
                        </Grid>
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
        </Style>
        
        <Style TargetType="{x:Type toolkit:MessageBox}">
            <Setter Property="Background" Value="Aquamarine" />
            <Setter Property="BorderBrush" Value="Red" />
            <Setter Property="CaptionForeground" Value="Orange" />
            <Setter Property="WindowBorderBrush" Value="Blue" />
            <Setter Property="WindowBackground" Value="Green" />
            <Setter Property="WindowOpacity" Value="0.3" />
            <Setter Property="Foreground" Value="Purple"/>
            <Setter Property="CloseButtonStyle" Value="{StaticResource MyCloseButtonStyle}"/>
        </Style>

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