WPF コントロール移動 Thickness

Site Index



<Grid>

    <GroupBox Header="groupBox1" 

              Name="groupBox1" 

              Height="100" 

              Width="200" 

              HorizontalAlignment="Left" 

              VerticalAlignment="Top" 

              Margin="150,50,0,0" 

              Background="AliceBlue" 

              PreviewMouseDown="groupBox1_PreviewMouseDown" 

              PreviewMouseMove="groupBox1_PreviewMouseMove" 

              PreviewMouseUp="groupBox1_PreviewMouseUp">

    </GroupBox>

    <StackPanel Height="100" HorizontalAlignment="Left" Name="stackPanel1" VerticalAlignment="Top" Width="80">

        <TextBlock Height="20" Name="textBlockX" Text="TextBlock" />

        <TextBlock Height="20" Name="textBlockY" Text="TextBlock" />

        <TextBlock Height="20" Name="textBlock_move_X" Text="TextBlock" />

        <TextBlock Height="20" Name="textBlock_move_Y" Text="TextBlock" />

    </StackPanel>

    <Button Content="Button" Height="30" HorizontalAlignment="Left" Margin="420,20,0,0" 

            Name="button1" VerticalAlignment="Top" Width="60" Click="button1_Click" />

</Grid>



double z_point_x_start_mouse = 0;

double z_point_y_start_mouse = 0;
double z_left = 0;

double z_top = 0;
Boolean z_mouse_down = false;
private void groupBox1_PreviewMouseDown(object sender, MouseButtonEventArgs e)

{

    Point w_point = e.GetPosition(this);

    this.textBlockX.Text = "x-->" + w_point.X;

    this.textBlockY.Text = "y-->" + w_point.Y;

    z_point_x_start_mouse = w_point.X;

    z_point_y_start_mouse = w_point.Y;
    Thickness w_margin = this.groupBox1.Margin;

    z_left = w_margin.Left;

    z_top = w_margin.Top;
    z_mouse_down = true;

}

private void button1_Click(object sender, RoutedEventArgs e)

{

    double x = 100;

    double y = 100;

    this.groupBox1.SetValue(Grid.MarginProperty, new Thickness(x,y,0,0));

}

private void groupBox1_PreviewMouseMove(object sender, MouseEventArgs e)

{

    if (z_mouse_down)

    {

        Point w_point = e.GetPosition(this);

        double w_new_x = w_point.X;

        double w_new_y = w_point.Y;

        this.textBlock_move_X.Text = "x-->" + w_new_x;

        this.textBlock_move_Y.Text = "y-->" + w_new_y;
        double w_set_x = z_left + (w_new_x - z_point_x_start_mouse);

        double w_set_y = z_top + (w_new_y - z_point_y_start_mouse);
        this.groupBox1.SetValue(Grid.MarginProperty, new Thickness(w_set_x, w_set_y, 0, 0));

    }

}

private void groupBox1_PreviewMouseUp(object sender, MouseButtonEventArgs e)

{

    z_mouse_down = false;

}




AX