private void btnExport_Click(object sender, EventArgs e)
{
if(this.pdfDocumentViewer1.PageCount>0)
{
SaveFileDialog dialog=new SaveFileDialog ();
dialog.Filter="JPG Format(*.jpg)|*.jpg|BMP Format(*.bmp)|*.bmp|PNG Format(*.png)|*.png|GIF Format(*.gif)|*.gif";
DialogResult result=dialog.ShowDialog();
string fileName=dialog.FileName;
if (result==DialogResult.OK)
{
int currentPage=this.pdfDocumentViewer1.CurrentPageNumber;
Bitmap image=this.pdfDocumentViewer1.SaveAsImage(currentPage-1);
image.Save(fileName);
MessageBox.Show("You have exported current page to an image:\n"+fileName,"Spire.PdfViewer Demo",MessageBoxButtons.OK,MessageBoxIcon.Information);
Dictionary<string, Image> dictionaryImages = new Dictionary<string, Image>();
dictionaryImages.Add(fileName, image);
this._formImages = new FormImages();
this._formImages.DictionaryImages = dictionaryImages;
this._formImages.Show();
}
}
}
private void btnExport_Click(object sender, EventArgs e)
{
if (this.pdfDocumentViewer1.PageCount > 0)
{
SaveFileDialog dialog = new SaveFileDialog();
dialog.Filter = "JPG Format(*.jpg)|*.jpg|BMP Format(*.bmp)|*.bmp|PNG Format(*.png)|*.png|GIF Format(*.gif)|*.gif";
DialogResult result = dialog.ShowDialog();
string fileName = dialog.FileName;
if (result == DialogResult.OK)
{
int currentPage = this.pdfDocumentViewer1.CurrentPageNumber;
Bitmap image = this.pdfDocumentViewer1.SaveAsImage(currentPage - 1);
image.Save(fileName);
MessageBox.Show("You have exported current page to an image:\n" + fileName, "Spire.PdfViewer Demo", MessageBoxButtons.OK, MessageBoxIcon.Information);
Dictionary <string, Image> dictionaryImages = new Dictionary <string, Image>();
dictionaryImages.Add(fileName, image);
this._formImages = new FormImages();
this._formImages.DictionaryImages = dictionaryImages;
this._formImages.Show();
}
}
}
private void btnMultiExport_Click(object sender, EventArgs e)
{
if (this.pdfDocumentViewer1.PageCount <= 0)
{
return;
}
int fromPage = this.comBoxFrom.SelectedIndex;
int toPage = this.comboxTo.SelectedIndex;
if (fromPage > toPage)
{
MessageBox.Show("End page number must be not less than started page number!", "Spire.PdfViewer Demo", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
else
{
FolderBrowserDialog dialog = new FolderBrowserDialog();
DialogResult result = dialog.ShowDialog();
if (result == DialogResult.OK)
{
string path = dialog.SelectedPath;
Bitmap[] images = this.pdfDocumentViewer1.SaveAsImage(fromPage, toPage);
Dictionary <String, Image> dictionaryImages = new Dictionary <string, Image>();
for (int i = 0; i < images.Length; i++)
{
string name = "image" + (i + 1 + fromPage).ToString() + ".bmp";
string fileName = path + "\\" + name;
images[i].Save(fileName);
dictionaryImages.Add(fileName, images[i]);
}
string message = "You have exported " + (fromPage + 1).ToString() + "-" + (toPage + 1).ToString() + " pages as images to:\n"
+ path;
MessageBox.Show(message, "Spire.PdfViewer Demo", MessageBoxButtons.OK, MessageBoxIcon.Information);
this._formImages = new FormImages();
this._formImages.DictionaryImages = dictionaryImages;
this._formImages.Show();
}
}
}
private void btnMultiExport_Click(object sender, EventArgs e)
{
if (this.pdfDocumentViewer1.PageCount <= 0)
{
return;
}
int fromPage = this.comBoxFrom.SelectedIndex;
int toPage = this.comboxTo.SelectedIndex;
if (fromPage > toPage)
{
MessageBox.Show("End page number must be not less than started page number!", "Spire.PdfViewer Demo", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
else
{
FolderBrowserDialog dialog = new FolderBrowserDialog();
DialogResult result = dialog.ShowDialog();
if (result == DialogResult.OK)
{
string path = dialog.SelectedPath;
Bitmap[] images = this.pdfDocumentViewer1.SaveAsImage(fromPage, toPage);
Dictionary<String, Image> dictionaryImages = new Dictionary<string, Image>();
for (int i = 0; i < images.Length; i++)
{
string name = "image" + (i + 1 + fromPage).ToString() + ".bmp";
string fileName = path + "\\" + name;
images[i].Save(fileName);
dictionaryImages.Add(fileName, images[i]);
}
string message = "You have exported " + (fromPage+1).ToString() + "-" + (toPage+1).ToString() +" pages as images to:\n"
+ path;
MessageBox.Show(message,"Spire.PdfViewer Demo",MessageBoxButtons.OK,MessageBoxIcon.Information);
this._formImages = new FormImages();
this._formImages.DictionaryImages = dictionaryImages;
this._formImages.Show();
}
}
}
