Software Requirements:
- .Net Framework 3.5 or higher
- Visual studio 2010 or higher
- Pdf , Spire.Doc and Spire.License dll files
1. Open Visual Studio and create new Windows Form Application with c# code as shown below
2. Download and Add Spire.pdf and Spire.Doc dll references and other existing References as shown below
- Right click on References and GOTO -> Add Reference ->Assemblies->Framework and Add One reference from this: Microsoft.VisualBasic.dll
- Add downloaded Reference from Add Reference ->Browse-> Spire.Doc.dll, Spire.Pdf.dll and Spire.License.dll files ->Ok ( if you downloaded from NuGet packages from VS then it will be added automatically to your project so, no need to browse this reference )
-Figure is showing the example for adding references
3. Now the time for the design as show below
- Add two text boxes and buttons into form1 and design as follows
- Add one folderBrowserDialog into this form
- Make Two TextBoxes Enabled=false
4. Now we can start write the C# code
- Select Doc button click
private void bt_SelDoc_Click(object sender, EventArgs e) //Select Word File
{
OpenFileDialog dlg = new OpenFileDialog();
dlg.Filter = “Document file (*.doc,*.docx) | *.doc; *.docx;”;
dlg.ShowDialog();
txt_DocPath.Text = dlg.FileName;
}
- Convert To Pdf button click
private void bt_ConvPdf_Click(object sender, EventArgs e) //Convert doc To pdf
{
if (txt_DocPath.Text != “”)
{
SaveFileDialog savefile = new SaveFileDialog();
savefile.FileName = “DocToPdf.pdf”;
savefile.Filter = “Pdf file (*.pdf) | *.pdf;”;
if (savefile.ShowDialog() ==
DialogResult.OK)
{
try
{
document.LoadFromFile(txt_DocPath.Text);
//Convert Word to PDF
document.SaveToFile(savefile.FileName, Spire.Doc.FileFormat.PDF);
//Launch Document
System.Diagnostics.Process.Start(savefile.FileName);
}
catch (Exception ex) { MessageBox.Show(ex.Message); }
}
}
else
{
MessageBox.Show(“Please select a file before convertion”, “File not found”, MessageBoxButtons.OK);
}
}
- Doc To Images button click
private void bt_Conv_DocToImg_Click(object sender, EventArgs e) //Doc to Images
{
if (txt_DocPath.Text != “”)
{
DialogResult result = folderBrowserDialog1.ShowDialog();
if (result == DialogResult.OK)
{
try
{
if (!Directory.Exists(string.Format(@”{0}\DocToPng”, folderBrowserDialog1.SelectedPath)))
{
Directory.CreateDirectory(string.Format(@”{0}\DocToPng”, folderBrowserDialog1.SelectedPath));
}
document.LoadFromFile(txt_DocPath.Text);
for (int i = 0; i < document.PageCount; i++)
{
Image img = document.SaveToImages(i, Spire.Doc.Documents.ImageType.Metafile);
img.Save(String.Format(@”{0}\DocToPng\DocToPng_Page{1}.png”, folderBrowserDialog1.SelectedPath, i), ImageFormat.Png);
}
System.Diagnostics.Process.Start(string.Format(@”{0}\DocToPng\DocToPng_Page1.png”, folderBrowserDialog1.SelectedPath));
}
catch (Exception ex) { MessageBox.Show(ex.Message); }
}
}
else
{
MessageBox.Show(“Please select a file before convertion”, “File not found”, MessageBoxButtons.OK);
}
}
- Doc To HTML button click
private void bt_Conv_DocToHtml_Click(object sender, EventArgs e) //Convert Doc to Html
{
if (txt_DocPath.Text != “”)
{
SaveFileDialog savefile = new SaveFileDialog();
savefile.FileName = “DocToHTML.html”;
savefile.Filter = “Web file (*.html) | *.html;”;
if (savefile.ShowDialog() ==
DialogResult.OK)
{
try
{
document.LoadFromFile(txt_DocPath.Text);
document.SaveToFile(savefile.FileName, Spire.Doc.FileFormat.Html);
System.Diagnostics.Process.Start(savefile.FileName);
}
catch (Exception ex) { MessageBox.Show(ex.Message); }
}
}
else
{
MessageBox.Show(“Please select a file before convertion”, “File not found”, MessageBoxButtons.OK);
}
}
- Lock Doc File button click
private void bt_LockDoc_Click(object sender, EventArgs e)
{
if (txt_DocPath.Text != “”)
{
string pwd = Microsoft.VisualBasic.Interaction.InputBox(“Enter password to lock the file”, “Lock”, “Password”, -1, -1);
if (pwd != “”)
{
document.LoadFromFile(txt_DocPath.Text);
document.Encrypt(pwd);
document.SaveToFile(“Encrypted_File.doc”, Spire.Doc.FileFormat.Doc);
}
else
{
MessageBox.Show(“Please provide password to lock the file”, “File not locked”, MessageBoxButtons.OK);
}
}
else
{
MessageBox.Show(“Please select a file to lock”, “File not found”, MessageBoxButtons.OK);
}
}
- Select Pdf button click
private void bt_SelPdf_Click(object sender, EventArgs e)//SElect Pdf File
{
OpenFileDialog dlg = new OpenFileDialog();
dlg.Filter = “PDF file (*.pdf) | *.pdf;”;
dlg.ShowDialog();
txt_PdfPath.Text = dlg.FileName;
}
- Convert To Doc button click
private void bt_Convdoc_Click(object sender, EventArgs e) // Pdf To Doc
{
if (txt_PdfPath.Text != “”)
{
SaveFileDialog savefile = new SaveFileDialog();
savefile.FileName = “PDFtoDoc.doc”;
savefile.Filter = “Document file (*.doc,*.docx) | *.doc; *.docx;”;
if (savefile.ShowDialog() ==
DialogResult.OK)
{
try
{
pdfDoc.LoadFromFile(txt_PdfPath.Text);
pdfDoc.SaveToFile(savefile.FileName, Spire.Pdf.FileFormat.DOC);
System.Diagnostics.Process.Start(savefile.FileName);
}
catch (Exception ex) { MessageBox.Show(ex.Message); }
}
}
else
{
MessageBox.Show(“Please select a file before convertion”, “File not found”, MessageBoxButtons.OK);
}
}
- Pdf To Images button click
private void bt_Conv_PdftoImg_Click(object sender, EventArgs e) //Pdf To Images
{
if (txt_PdfPath.Text != “”)
{
DialogResult result = folderBrowserDialog1.ShowDialog();
if (result == DialogResult.OK)
{
try
{
if (!Directory.Exists(string.Format(@”{0}\PdfToPng”, folderBrowserDialog1.SelectedPath)))
{
Directory.CreateDirectory(string.Format(@”{0}\PdfToPng”, folderBrowserDialog1.SelectedPath));
}
pdfDoc.LoadFromFile(txt_PdfPath.Text);
for (int i = 0; i < pdfDoc.Pages.Count; i++)
{
Image img = pdfDoc.SaveAsImage(i, Spire.Pdf.Graphics.PdfImageType.Metafile);
img.Save(String.Format(@”{0}\PdfToPng\PdfToPng_Page{1}.png”, folderBrowserDialog1.SelectedPath, i), ImageFormat.Png);
}
System.Diagnostics.Process.Start(string.Format(@”{0}\PdfToPng\PdfToPng_Page1.png”, folderBrowserDialog1.SelectedPath));
}
catch (Exception ex) { MessageBox.Show(ex.Message); }
}
}
else
{
MessageBox.Show(“Please select a file before convertion”, “File not found”, MessageBoxButtons.OK);
}
}
- Pdf To HTML button click
private void bt_Conv_PdfToHtml_Click(object sender, EventArgs e) //Pdf to Html
{
if (txt_PdfPath.Text != “”)
{
SaveFileDialog savefile = new SaveFileDialog();
savefile.FileName = “PdfToHTML.html”;
savefile.Filter = “Web file (*.html) | *.html;”;
if (savefile.ShowDialog() ==
DialogResult.OK)
{
try
{
pdfDoc.LoadFromFile(txt_PdfPath.Text);
pdfDoc.SaveToFile(savefile.FileName, Spire.Pdf.FileFormat.HTML);
System.Diagnostics.Process.Start(savefile.FileName.Replace(“.”, “_” + 1 + “-” + pdfDoc.Pages.Count + “.”));
}
catch (Exception ex) { MessageBox.Show(ex.Message); }
}
}
else
{
MessageBox.Show(“Please select a file before convertion”, “File not found”, MessageBoxButtons.OK);
}
}
- Lock Pdf File button click
private void bt_LockPdf_Click(object sender, EventArgs e)
{
if (txt_PdfPath.Text != “”)
{
string pwd = Microsoft.VisualBasic.Interaction.InputBox(“Enter password to lock the file”, “Lock”, “Password”, -1, -1);
if (pwd != “”)
{
pdfDoc.LoadFromFile(txt_PdfPath.Text);
pdfDoc.Security.UserPassword = pwd;
pdfDoc.SaveToFile(“Encrypted_File.pdf”, Spire.Pdf.FileFormat.PDF);
}
else
{
MessageBox.Show(“Please provide password to lock the file”, “File not locked”, MessageBoxButtons.OK);
}
}
else
{
MessageBox.Show(“Please select a file to lock”, “File not found”, MessageBoxButtons.OK);
}
}
Note:
- For Pdf file conversion use Spire.pdf dll
- For Doc file conversion use Spire.doc dll
Read more articles:
- Create a Rich Text Editor Using WPF
- Creating a Setup File For Desktop Application Using Visual Studio 2010
HI..
Thanks RNTP
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Amigo cuando abro el documento que se acaba de crear, en la parte de superior derecha aparece el siguiente mensaje: “Evaluation Warning : The document was created with Spire.PDF for .NET.”
Como hago para quitar ese mensaje??
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para eliminar ese mensaje necesitas comprar ese producto, estás usando una versión de prueba, en la versión de prueba que mostrará el mensaje,
Para comprar puede ir a su sitio web
https://www.e-iceblue.com/
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