[英]Copying File with Progress Bar in C# WPF
我正在使用以下代码将文件从一个位置复制到另一个位置
private void CopyFilesRecursivelyy(string serverDirectorty, string localDirectory)
{
foreach (string dirPath in Directory.GetDirectories(serverDirectorty, "*", SearchOption.AllDirectories))
{
Directory.CreateDirectory(dirPath.Replace(serverDirectorty, localDirectory));
}
string[] files = Directory.GetFiles(serverDirectorty, "*.*", SearchOption.AllDirectories);
for (int i = 0; i < files.Length; i++)
{
string newPath = files[i];
File.Copy(newPath, newPath.Replace(serverDirectorty, localDirectory), true);
}
}
下面是我的 XML 代码:
<ProgressBar Name ="pb" Grid.Column="2" HorizontalAlignment="Center" Height="16" Margin="0,0,0,0" VerticalAlignment="Center" Maximum="{Binding progressMax}" Value="{Binding intProgress}" Width="195" Visibility="{Binding visibilityPrgb}"/>
这是绑定进度条属性的代码:
public int intProgress
{
get => _intProgress;
set
{
_intProgress = value;
OnPropertyChanged();
}
}
private int _intProgress;
public int progressMax
{
get => _progressMax;
set
{
_progressMax = value;
OnPropertyChanged();
}
}
private int _progressMax;
public bool visibilityPrgb
{
get => _visibilityPrgb;
set
{
_visibilityPrgb = value;
OnPropertyChanged();
}
}
private bool _visibilityPrgb;
谁能告诉我如何将此进度条与我的上述代码集成。 我希望进度条从1-100运行,并且在完成文件复制后我想隐藏进度条。
将progressMax
设置为要复制的文件数,然后为每个复制的文件增加intProgress
,例如:
private void CopyFilesRecursivelyy(string serverDirectorty, string localDirectory)
{
foreach (string dirPath in Directory.GetDirectories(serverDirectorty, "*", SearchOption.AllDirectories))
{
Directory.CreateDirectory(dirPath.Replace(serverDirectorty, localDirectory));
}
string[] files = Directory.GetFiles(serverDirectorty, "*.*", SearchOption.AllDirectories);
progressMax = files.Length;
intProgress = 0;
visibilityPrgb = true;
for (int i = 0; i < files.Length; i++)
{
string newPath = files[i];
File.Copy(newPath, newPath.Replace(serverDirectorty, localDirectory), true);
intProgress++;
}
visibilityPrgb = false;
}
还要确保在后台线程上调用CopyFilesRecursivelyy
并使用转换器将visibilityPrgb
属性的值转换为视图中的Visibility
:
<Window.Resources>
<BooleanToVisibilityConverter x:Key="BooleanToVisibilityConverter"/>
</Window.Resources>
...
Visibility="{Binding visibilityPrgb, Converter={StaticResource BooleanToVisibilityConverter}}"
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