fix textbox wrapping, fix altkey handling on startup

Author: unitycoder

MainWindow.xaml

@@ -8,11 +8,11 @@
         Title="PointCloudConverter" Height="620.038" Width="800" Background="#FF252222" Closing="Window_Closing" Loaded="Window_Loaded">
     <Grid Margin="0,0,2,0">
         <Button x:Name="btnBrowseInput" Content="..." HorizontalAlignment="Left" Margin="566,48,0,0" VerticalAlignment="Top" Width="32" Height="23" Click="btnBrowseInput_Click" ToolTip="Browse for input file"/>
-        <TextBox x:Name="txtInputFile" HorizontalAlignment="Left" Height="23" Margin="20,48,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="541"/>
+        <TextBox x:Name="txtInputFile" HorizontalAlignment="Left" Height="23" Margin="20,48,0,0" VerticalAlignment="Top" Width="541"/>
         <Label x:Name="label" Content="Input file or folder:&#xD;&#xA;" HorizontalAlignment="Left" Margin="20,22,0,0" VerticalAlignment="Top" Foreground="{DynamicResource MainText}" Height="26"/>
         <Button x:Name="btnConvert" Content="Convert" HorizontalAlignment="Left" Margin="409,440,0,0" VerticalAlignment="Top" Width="371" Height="58" Click="btnConvert_Click"/>
         <Button x:Name="btnBrowseOutput" Content="..." HorizontalAlignment="Left" Margin="566,114,0,0" VerticalAlignment="Top" Width="32" Height="23" Click="btnBrowseOutput_Click" ToolTip="Browse for output file"/>
-        <TextBox x:Name="txtOutput" HorizontalAlignment="Left" Height="23" Margin="20,114,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="541"/>
+        <TextBox x:Name="txtOutput" HorizontalAlignment="Left" Height="23" Margin="20,114,0,0" VerticalAlignment="Top" Width="541"/>
         <Label x:Name="label_Copy" Content="Output:" HorizontalAlignment="Left" Margin="20,88,0,0" VerticalAlignment="Top" Foreground="{DynamicResource MainText}"/>
         <ComboBox x:Name="cmbExportFormat" HorizontalAlignment="Left" Margin="619,114,0,0" VerticalAlignment="Top" Width="163" IsReadOnly="True"/>
         <Label x:Name="label_Copy1" Content="Export format:&#xD;&#xA;" HorizontalAlignment="Left" Margin="619,88,0,0" VerticalAlignment="Top" Foreground="{DynamicResource MainText}" Height="26"/>

MainWindow.xaml.cs

@@ -28,6 +28,7 @@ public partial class MainWindow : Window
         public MainWindow()
         {
             InitializeComponent();
+            Main();
         }
 
         private void Main()
@@ -382,7 +383,6 @@ private void btnGetParams_Click(object sender, RoutedEventArgs e)
 
         private void Window_Loaded(object sender, RoutedEventArgs e)
         {
-            Main();
         }
     } // class
 } // namespace