Set cursor area : Cursor « Windows Presentation Foundation « VB.Net






Set cursor area

   

<Window x:Class="WpfApplication1.Window1"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="cursors" Height="450" Width="600" Loaded="OnLoaded">
  <Window.Resources>
    <Style TargetType="{x:Type RadioButton}">
      <Setter Property="Margin" Value="3" />
    </Style>
    <Style TargetType="{x:Type Label}">
      <Setter Property="FontSize" Value="14" />
      <Setter Property="HorizontalAlignment" Value="Center" />
    </Style>
    <Style TargetType="{x:Type Border}">
      <Setter Property="BorderBrush" Value="LightBlue" />
      <Setter Property="BorderThickness" Value="2" />
      <Setter Property="Margin" Value="10" />
    </Style>
  </Window.Resources>

  <StackPanel>
    <Border Width="300">
      <StackPanel Orientation="Horizontal" HorizontalAlignment="Center">
        <StackPanel Margin="10">
          <Label HorizontalAlignment="Left">Cursor Type</Label>
          <ComboBox Width="100" SelectionChanged="CursorTypeChanged" HorizontalAlignment="Left" Name="CursorSelector">
            <ComboBoxItem Content="AppStarting" />
            <ComboBoxItem Content="ArrowCD" />
          </ComboBox>
        </StackPanel>
        <StackPanel Margin="10">
          <Label HorizontalAlignment="Left">Scope of Cursor</Label>
          <StackPanel>
            <RadioButton Name="rbScopeElement" IsChecked="True" Checked="CursorScopeSelected">Display Area Only</RadioButton>
            <RadioButton Name="rbScopeApplication" Checked="CursorScopeSelected">Entire Appliation</RadioButton>
          </StackPanel>
        </StackPanel>
      </StackPanel>
    </Border>
    <Border Name="DisplayArea" Height="250" Width="400" Margin="20" Background="AliceBlue">
      <Label HorizontalAlignment="Center">
        Move Mouse Pointer Over This Area
      </Label>
    </Border>
  </StackPanel>
</Window>

//File:Window.xaml.vb

Imports System
Imports System.Windows
Imports System.Windows.Controls
Imports System.Windows.Media
Imports System.Windows.Input
Imports System.IO
Imports System.Collections


Namespace WpfApplication1
  Public Partial Class Window1
    Inherits Window
    Private CustomCursor As Cursor

    Public Sub New()
      CustomCursor = New Cursor(Directory.GetCurrentDirectory() & Path.DirectorySeparatorChar & "CustomCursor.cur")
    End Sub
    Public Sub CursorTypeChanged(sender As Object, e As SelectionChangedEventArgs)
      Dim source As ComboBox = TryCast(e.Source, ComboBox)

      If source IsNot Nothing Then
        Dim selectedCursor As ComboBoxItem = TryCast(source.SelectedItem, ComboBoxItem)

        Select Case selectedCursor.Content.ToString()
          Case "AppStarting"
            DisplayArea.Cursor = Cursors.AppStarting
            Exit Select
          Case "ArrowCD"
            DisplayArea.Cursor = Cursors.ArrowCD
            Exit Select
          Case Else
            Exit Select
        End Select

        If cursorScopeElementOnly = False Then
          Mouse.OverrideCursor = DisplayArea.Cursor
        End If
      End If
    End Sub
    Public Sub CursorScopeSelected(sender As Object, e As RoutedEventArgs)
      Dim source As RadioButton = TryCast(e.Source, RadioButton)

      If source IsNot Nothing Then
        If source.Name = "rbScopeElement" Then
          cursorScopeElementOnly = True
          Mouse.OverrideCursor = Nothing
        End If
        If source.Name = "rbScopeApplication" Then
          cursorScopeElementOnly = False
          Mouse.OverrideCursor = DisplayArea.Cursor
        End If
      End If
    End Sub
    Public Sub OnLoaded(sender As Object, e As RoutedEventArgs)
      DirectCast(CursorSelector.Items(0), ComboBoxItem).IsSelected = True
    End Sub
    Private cursorScopeElementOnly As Boolean = True
  End Class
End Namespace

   
    
    
  








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