C# Clipboard.SetImage不';行不通
我正在尝试从URL下载图像并将其设置到剪贴板(WPF)。我可以将图像粘贴到绘图,但不能粘贴到本地目录 以下是我的代码下载和设置到剪贴板:C# Clipboard.SetImage不';行不通,c#,wpf,clipboard,C#,Wpf,Clipboard,我正在尝试从URL下载图像并将其设置到剪贴板(WPF)。我可以将图像粘贴到绘图,但不能粘贴到本地目录 以下是我的代码下载和设置到剪贴板: var request = WebRequest.Create(urlImg); // urlImg - url of image var response = request.GetResponse(); var responseStream = response.GetResponseStream(); var bitmap2 = new Bitmap(
var request = WebRequest.Create(urlImg); // urlImg - url of image
var response = request.GetResponse();
var responseStream = response.GetResponseStream();
var bitmap2 = new Bitmap(responseStream);
var orgimg = LoadBitmap2(bitmap2); // converting to BitmapSource
Clipboard.SetImage(orgimg);
剪切/复制图像并将其粘贴到文件系统时,只有路径在剪贴板数据中 如果要将下载的图像“粘贴”到目录,则需要模拟该行为:
GetImageFromUrl()
是:
private System.Drawing.Image GetImageFromUrl(string url)
{
HttpWebRequest httpWebRequest = (HttpWebRequest)HttpWebRequest.Create(url);
using (HttpWebResponse httpWebReponse = (HttpWebResponse)httpWebRequest.GetResponse())
{
using (Stream stream = httpWebReponse.GetResponseStream())
{
return System.Drawing.Image.FromStream(stream);
}
}
}
注意:您需要为图像
类添加对系统.绘图
的引用。我确信WPF空间中有一个替代方案
进一步阅读
data.SetData(“首选DropEffect”,DropEffect)代码>和设置“剪切”下降效果的关联代码。重要提示:在用户将下载的图像复制到其他位置后,您仍然应该从tmpFilePath中删除这些图像。我如何在应用程序关闭时保存tmpFilePath并删除这些文件,或者是否有解决方案@凯尔
private System.Drawing.Image GetImageFromUrl(string url)
{
HttpWebRequest httpWebRequest = (HttpWebRequest)HttpWebRequest.Create(url);
using (HttpWebResponse httpWebReponse = (HttpWebResponse)httpWebRequest.GetResponse())
{
using (Stream stream = httpWebReponse.GetResponseStream())
{
return System.Drawing.Image.FromStream(stream);
}
}
}