// 选择打印机和纸张
// parameters:
// bForceDialog 是否迫使出现打印机对话框
// return:
// null 选择打印机的对话框被取消
// 其他 返回 PrintDocument 对象
PrintDocument SelectPrinterAndPaper(bool bForceDialog)
{
string strError = "";
int nRet = 0;
PrintDialog printDialog1 = new PrintDialog();
bool bDisplayPrinterDialog = false;
PrintDocument document = this.labelDesignControl1.PrintDocument;
// new System.Drawing.Printing.PrintDocument();
printDialog1.Document = document;
PrinterInfo printerInfo = new PrinterInfo("", this.textBox_printerInfo.Text);
if (printerInfo != null)
{
if (string.IsNullOrEmpty(printerInfo.PrinterName) == false
&& string.IsNullOrEmpty(printerInfo.PaperName) == false)
{
// 按照存储的打印机名选定打印机
nRet = LabelPrintForm.SelectPrinterByName(document,
printerInfo.PrinterName,
out strError);
if (nRet == 1)
{
MessageBox.Show(this, "打印机 " + printerInfo.PrinterName + " 当前不可用，请重新选定打印机");
printerInfo.PrinterName = "";
bDisplayPrinterDialog = true;
}
if (bDisplayPrinterDialog == false
&& string.IsNullOrEmpty(printerInfo.PaperName) == false)
{
nRet = LabelPrintForm.SelectPaperByName(document,
printerInfo.PaperName,
printerInfo.Landscape,
true, // false,
out strError);
if (nRet == 1)
{
MessageBox.Show(this, "打印机 " + printerInfo.PrinterName + " 的纸张类型 " + printerInfo.PaperName + " 当前不可用，请重新选定纸张");
printerInfo.PaperName = "";
bDisplayPrinterDialog = true;
}
}
// 只要有一个打印机事项没有确定，就要出现打印机对话框
if (string.IsNullOrEmpty(printerInfo.PrinterName) == true
|| string.IsNullOrEmpty(printerInfo.PaperName) == true)
bDisplayPrinterDialog = true;
}
}
else
{
// 没有首选配置的情况下要出现打印对话框
bDisplayPrinterDialog = true;
}
#if NO
// 如果一开始没有打印机信息 textbox 内容，则依 label_param 中的方向
if (string.IsNullOrEmpty(this.textBox_printerInfo.Text) == true)
document.DefaultPageSettings.Landscape = this.LabelParam.Landscape;
#endif
DialogResult result = DialogResult.OK;
if (bDisplayPrinterDialog == true
|| bForceDialog == true)
{
result = printDialog1.ShowDialog();
if (result == DialogResult.OK)
{
// 记忆打印参数
if (printerInfo == null)
printerInfo = new PrinterInfo();
printerInfo.PrinterName = document.PrinterSettings.PrinterName;
printerInfo.PaperName = PrintUtil.GetPaperSizeString(document.DefaultPageSettings.PaperSize);
printerInfo.Landscape = document.DefaultPageSettings.Landscape;
// 2014/3/27
// this.document.DefaultPageSettings = document.PrinterSettings.DefaultPageSettings;
nRet = LabelPrintForm.SelectPaperByName(document,
printerInfo.PaperName,
printerInfo.Landscape,
true,
out strError);
if (nRet == 1)
{
SelectPaperDialog paper_dialog = new SelectPaperDialog();
MainForm.SetControlFont(paper_dialog, this.Font, false);
paper_dialog.Comment = "纸张 " + printerInfo.PaperName + " 不在打印机 " + printerInfo.PrinterName + " 的可用纸张列表中。\r\n请重新选定纸张";
paper_dialog.Document = document;
paper_dialog.StartPosition = FormStartPosition.CenterParent;
paper_dialog.ShowDialog(this);
if (paper_dialog.DialogResult == System.Windows.Forms.DialogResult.Cancel)
return document; // null
}
printerInfo.PaperName = PrintUtil.GetPaperSizeString(document.DefaultPageSettings.PaperSize);
printerInfo.Landscape = document.DefaultPageSettings.Landscape;
this.textBox_printerInfo.Text = printerInfo.GetText();
// document.DefaultPageSettings = document.PrinterSettings.DefaultPageSettings;
}
else
return null;
}
return document;
}
/// <summary>
/// 打印或打印预览
/// </summary>
/// <param name="strLabelDefFileName">标签定义文件</param>
/// <param name="strLabelFileName">标签内容文件</param>
/// <param name="bDisplayPrinterDialog">是否显示打印机设置对话框</param>
/// <param name="bPrintPreview">是否进行打印预览。false 表示进行打印</param>
/// <param name="strError">返回出错信息</param>
/// <returns>-1: 出错; 0: 成功</returns>
public int Print(
string strLabelDefFileName,
string strLabelFileName,
bool bDisplayPrinterDialog,
bool bPrintPreview,
out string strError)
{
strError = "";
int nRet = 0;
this.MainForm.OperHistory.AppendHtml("<div class='debug begin'>" + HttpUtility.HtmlEncode(DateTime.Now.ToLongTimeString()) + " 开始执行打印"
+ (bPrintPreview == true ? "预览" : "")
+"</div>");
try
{
nRet = this.BeginPrint(
strLabelFileName,
strLabelDefFileName,
out strError);
if (nRet == -1)
goto ERROR1;
this.document.PreviewMode = bPrintPreview;
this.EnableControls(false);
Cursor oldCursor = this.Cursor;
if (bPrintPreview == false)
this.Cursor = Cursors.WaitCursor;
try
{
bool bCustomPaper = false;
if (bPrintPreview == false)
{
// Allow the user to choose the page range he or she would
// like to print.
printDialog1.AllowSomePages = true;
// Show the help button.
printDialog1.ShowHelp = true;
}
printDialog1.Document = this.document;
if (this.PrinterInfo != null)
{
// this.OutputText("恢复以前的打印机名: " + this.PrinterInfo.PrinterName + ", 纸张名: " + this.PrinterInfo.PaperName);
#if NO
string strPrinterName = document.PrinterSettings.PrinterName;
if (string.IsNullOrEmpty(this.PrinterInfo.PrinterName) == false
&& this.PrinterInfo.PrinterName != strPrinterName)
{
this.document.PrinterSettings.PrinterName = this.PrinterInfo.PrinterName;
if (this.document.PrinterSettings.IsValid == false)
{
this.document.PrinterSettings.PrinterName = strPrinterName;
MessageBox.Show(this, "打印机 " + this.PrinterInfo.PrinterName + " 当前不可用，请重新选定打印机");
this.PrinterInfo.PrinterName = "";
bDisplayPrinterDialog = true;
}
}
#endif
// 按照存储的打印机名选定打印机
nRet = SelectPrinterByName(this.document,
this.PrinterInfo.PrinterName,
out strError);
if (nRet == 1)
{
MessageBox.Show(this, "打印机 " + this.PrinterInfo.PrinterName + " 当前不可用，请重新选定打印机");
this.PrinterInfo.PrinterName = "";
bDisplayPrinterDialog = true;
}
#if NO
PaperSize old_papersize = document.DefaultPageSettings.PaperSize;
if (string.IsNullOrEmpty(this.PrinterInfo.PaperName) == false
&& this.PrinterInfo.PaperName != document.DefaultPageSettings.PaperSize.PaperName)
{
PaperSize found = null;
foreach (PaperSize ps in this.document.PrinterSettings.PaperSizes)
{
if (ps.PaperName.Equals(this.PrinterInfo.PaperName))
{
found = ps;
break;
}
}
if (found != null)
this.document.DefaultPageSettings.PaperSize = found;
else
{
MessageBox.Show(this, "打印机 " + this.PrinterInfo.PrinterName + " 的纸张类型 " + this.PrinterInfo.PaperName + " 当前不可用，请重新选定纸张");
document.DefaultPageSettings.PaperSize = old_papersize;
this.PrinterInfo.PaperName = "";
bDisplayPrinterDialog = true;
}
}
#endif
// 需要自定义纸张
if (string.IsNullOrEmpty(this.label_param.DefaultPrinter) == true
&& this.label_param.PageWidth > 0
&& this.label_param.PageHeight > 0)
{
bCustomPaper = true;
PaperSize paper_size = new PaperSize("Custom Label",
(int)label_param.PageWidth,
(int)label_param.PageHeight);
this.document.DefaultPageSettings.PaperSize = paper_size;
}
if (// bDisplayPrinterDialog == false &&
bCustomPaper == false
&& string.IsNullOrEmpty(this.PrinterInfo.PaperName) == false)
{
nRet = SelectPaperByName(this.document,
this.PrinterInfo.PaperName,
this.PrinterInfo.Landscape,
true, // false,
out strError);
if (nRet == 1)
{
MessageBox.Show(this, "打印机 " + this.PrinterInfo.PrinterName + " 的纸张类型 " + this.PrinterInfo.PaperName + " 当前不可用，请重新选定纸张");
this.PrinterInfo.PaperName = "";
bDisplayPrinterDialog = true;
}
}
// 只要有一个打印机事项没有确定，就要出现打印机对话框
if (bCustomPaper == false)
{
if (string.IsNullOrEmpty(this.PrinterInfo.PrinterName) == true
|| string.IsNullOrEmpty(this.PrinterInfo.PaperName) == true)
bDisplayPrinterDialog = true;
}
}
else
{
// 没有首选配置的情况下要出现打印对话框
bDisplayPrinterDialog = true;
}
// this.document.DefaultPageSettings.Landscape = label_param.Landscape;
DialogResult result = DialogResult.OK;
if (bDisplayPrinterDialog == true)
{
result = printDialog1.ShowDialog();
if (result == DialogResult.OK)
{
if (bCustomPaper == true)
{
PaperSize paper_size = new PaperSize("Custom Label",
(int)label_param.PageWidth,
(int)label_param.PageHeight);
this.document.DefaultPageSettings.PaperSize = paper_size;
}
// 记忆打印参数
if (this.PrinterInfo == null)
this.PrinterInfo = new PrinterInfo();
// this.OutputText("打印机对话框返回后，新选定的打印机名: " + document.PrinterSettings.PrinterName + ", 纸张名: " + document.DefaultPageSettings.PaperSize.PaperName);
this.PrinterInfo.PrinterName = document.PrinterSettings.PrinterName;
// this.PrinterInfo.PaperName = document.PrinterSettings.DefaultPageSettings.PaperSize.PaperName; // document.DefaultPageSettings.PaperSize.PaperName
this.PrinterInfo.PaperName = PrintUtil.GetPaperSizeString(document.DefaultPageSettings.PaperSize);
this.PrinterInfo.Landscape = document.DefaultPageSettings.Landscape;
if (bCustomPaper == false)
{
// 2014/3/27
// this.document.DefaultPageSettings = document.PrinterSettings.DefaultPageSettings;
nRet = SelectPaperByName(this.document,
this.PrinterInfo.PaperName,
this.PrinterInfo.Landscape,
true,
out strError);
if (nRet == 1)
{
// MessageBox.Show(this, "打印机 " + this.PrinterInfo.PrinterName + " 的纸张类型 " + this.PrinterInfo.PaperName + " 当前不可用，请重新选定纸张");
//this.PrinterInfo.PaperName = "";
//bDisplayPrinterDialog = true;
this.OutputText("打印机对话框返回后，经过检查，纸张 " + this.PrinterInfo.PaperName + " 不在打印机 " + this.PrinterInfo.PrinterName + " 的可用纸张列表中。出现对话框让用户重新选择纸张");
SelectPaperDialog paper_dialog = new SelectPaperDialog();
MainForm.SetControlFont(paper_dialog, this.Font, false);
paper_dialog.Comment = "纸张 " + this.PrinterInfo.PaperName + " 不在打印机 " + this.PrinterInfo.PrinterName + " 的可用纸张列表中。\r\n请重新选定纸张";
paper_dialog.Document = this.document;
this.MainForm.AppInfo.LinkFormState(paper_dialog, "paper_dialog_state");
paper_dialog.ShowDialog(this);
this.MainForm.AppInfo.UnlinkFormState(paper_dialog);
if (paper_dialog.DialogResult == System.Windows.Forms.DialogResult.Cancel)
return 0;
this.OutputText("对话框中新选定的纸张名: " + document.DefaultPageSettings.PaperSize.PaperName);
}
}
this.PrinterInfo.PaperName = PrintUtil.GetPaperSizeString(document.DefaultPageSettings.PaperSize);
this.PrinterInfo.Landscape = document.DefaultPageSettings.Landscape;
SetTitle();
}
else
return 0;
}
TracePrinterInfo();
if (bPrintPreview == true)
{
printPreviewDialog1.Document = this.document;
this.MainForm.AppInfo.LinkFormState(printPreviewDialog1, "labelprintform_printpreviewdialog_state");
printPreviewDialog1.ShowDialog(this);
this.MainForm.AppInfo.UnlinkFormState(printPreviewDialog1);
}
else
{
this.document.Print();
}
}
finally
{
if (bPrintPreview == false)
this.Cursor = oldCursor;
this.EnableControls(true);
this.EndPrint(); // 关闭标签文件。后面才能删除
}
}
finally
{
this.MainForm.OperHistory.AppendHtml("<div class='debug end'>" + HttpUtility.HtmlEncode(DateTime.Now.ToLongTimeString()) + " 结束执行打印"
+ (bPrintPreview == true ? "预览" : "")
+ "</div>");
}
return 0;
ERROR1:
return -1;
}
