Email Sample (C#)
This sample illustrates using a splitter bar, cell merging, , sorting, column reordering.
The source code is located at C:\Program Files (x86)\Softelvdm\SftTree OCX 7.5\Samples\Visual Studio - CSharp\Email\Form1.cs or C:\Program Files\Softelvdm\SftTree OCX 7.5\Samples\Visual Studio - CSharp\Email\Form1.cs (on 32-bit Windows versions).
private void Command1_Click(object sender, System.EventArgs e) {
Application.Exit();
}
private void Form1_Load(object sender, System.EventArgs e) {
int ItemIndex;
m_InboxFolder = AddFolder("Inbox", "Viewed and unviewed mail", 10);
AddMessage(1, "support@softelvdm.com", "Re: A support question", "10/09/05", 88, true);
AddMessage(1, "anyone@acompany.com", "Re: Why did you say that", "10/10/05", 5, false);
AddMessage(1, "anyone@acompany.com", "Re: You're fired", "10/11/05", 82, true);
AddMessage(1, "anyone@acompany.com", "Re: You're hired", "10/11/05", 6, false);
ItemIndex = axSftTree1.Items.get_ItemIndex(m_InboxFolder);
axSftTree1.get_Item(ItemIndex).Collapse(false);
m_OutboxFolder = AddFolder("Outbox", "Mail about to be sent", 2);
AddMessage(1, "me@mycompany.com", "Re: You're fired", "10/11/05", 5, false);
AddMessage(1, "anyone@acompany.com", "Re: Why did you say that", "10/10/05", 5, false);
ItemIndex = axSftTree1.Items.get_ItemIndex(m_OutboxFolder);
axSftTree1.get_Item(ItemIndex).Collapse(false);
m_SavedFolder = AddFolder("Saved", "Saved messages", 2);
AddMessage(1, "me@mycompany.com", "A support question", "10/09/05", 3, false);
AddMessage(2, "support@softelvdm.com", "Re: A support question", "10/09/05", 88, true);
AddMessage(3, "me@mycompany.com", "Re: A support question", "10/09/05", 3, false);
AddMessage(1, "me@mycompany.com", "Why did you say that", "10/06/05", 5, false);
AddMessage(2, "anyone@acompany.com", "Re: Why did you say that", "10/10/05", 5, false);
AddMessage(1, "me@mycompany.com", "You're fired", "10/08/05", 2, false);
AddMessage(2, "anyone@acompany.com", "Re: You're fired", "10/11/05", 82, false);
AddMessage(1, "me@mycompany.com", "You're hired", "10/01/05", 4, false);
AddMessage(1, "anyone@acompany.com", "Re: You're hired", "10/11/05", 6, false);
ItemIndex = axSftTree1.Items.get_ItemIndex(m_SavedFolder);
axSftTree1.get_Item(ItemIndex).Collapse(false);
m_DeletedFolder = AddFolder("Deleted", "Deleted messages", 0);
axSftTree1.ColumnsObj.MakeOptimal();
axSftTree1.Items.RecalcHorizontalExtent();
axSftTree1.Splitter.MakeOptimal();
// allow sorting
axSftTree1.Headers.SortIndicators = SftTreeHeaderSortIndicatorsConstants.headerSortIndicatorsSftTreeAuto;
axSftTree1.Items.Current = 0;
axSftTree1_CaretChange(this, new _DSftTreeEvents_CaretChangeEvent(0));
}
private int AddFolder(string Folder, string Desc, int Count)
{
int ItemIndex = axSftTree1.Items.Add(Folder); // add folder
axSftTree1.get_Cell(ItemIndex, 1).Text = Desc; // add description
axSftTree1.get_Cell(ItemIndex, 3).Text = Count.ToString(); // add number of messages
axSftTree1.get_Cell(ItemIndex, 3).Data = Count; // also save number of messages for sorting
// make the folder name bold
if (m_BoldFont == null) {
m_BoldFont = axSftTree1.get_Cell(ItemIndex, 0).Font;
m_BoldFont.Bold = true;
}
axSftTree1.get_Cell(ItemIndex, 0).Font = m_BoldFont;
// if this folder has no messages (ie. ), we still want the
// folder graphic, not the email (leaf) graphic
if (Count == 0)
axSftTree1.get_Item(ItemIndex).Image = axSftTree1.Items.ItemImageExpandable;
return axSftTree1.get_Item(ItemIndex).ID;
}
private int AddMessage(short Level, string Email, string Desc, string Dt, int Size, bool Attachment)
{
int ItemIndex = axSftTree1.Items.Add(Email); // add folder
axSftTree1.get_Item(ItemIndex).Level = Level;
axSftTree1.get_Cell(ItemIndex, 1).Text = Desc; // add description
axSftTree1.get_Cell(ItemIndex, 2).Text = Dt; // add date
axSftTree1.get_Cell(ItemIndex, 3).Text = Size.ToString() + "K";
axSftTree1.get_Cell(ItemIndex, 3).Data = Size; // also save size for sorting
// if this email has replies (ie. ), we still want the
// email graphic, not the expand folder image
axSftTree1.get_Item(ItemIndex).Image = axSftTree1.Items.ItemImageLeaf;
// if the email has an attachment, show the image
if (Attachment) {
axSftTree1.get_Cell(ItemIndex, 1).Image.NETImageObject = Attach.Image;
axSftTree1.get_Cell(ItemIndex, 1).ImageHAlign = SftTreeHAlignConstants.halignSftTreeRight;
}
return axSftTree1.get_Item(ItemIndex).ID;
}
private void axSftTree1_CaretChange(object sender, AxSftTreeLib75._DSftTreeEvents_CaretChangeEvent e) {
// set column headers based on selected item
int ID = axSftTree1.get_Item(e.itemIndex).ID;
if (ID == m_InboxFolder || ID == m_OutboxFolder || ID == m_SavedFolder || ID == m_DeletedFolder) {
axSftTree1.get_Header(0).Text = "Folder";
axSftTree1.get_Header(1).Text = "Description";
axSftTree1.get_Header(2).Text = ""; // we can use this to merge the adjacent title
axSftTree1.get_Header(3).Text = "Msgs";
} else {
axSftTree1.get_Header(0).Text = "From";
axSftTree1.get_Header(1).Text = "Subject";
axSftTree1.get_Header(2).Text = "Received";
axSftTree1.get_Header(3).Text = "Size";
}
}
private void axSftTree1_ItemClick(object sender, AxSftTreeLib75._DSftTreeEvents_ItemClickEvent e) {
SftTreeAreaTypeConstants area = (SftTreeAreaTypeConstants) e.areaType;
if (area == SftTreeAreaTypeConstants.constSftTreeButton) {
if (axSftTree1.get_Item(e.itemIndex).Expanded)
axSftTree1.get_Item(e.itemIndex).Collapse(true);
else
axSftTree1.get_Item(e.itemIndex).Expand(true, false);
} else if (area == SftTreeAreaTypeConstants.constSftTreeText) {
// edit description
if (e.colIndex == 1)
axSftTree1.get_Cell(e.itemIndex, e.colIndex).Edit(0, 0);
} else if (area == SftTreeAreaTypeConstants.constSftTreeColumn) {
short sortedColumn = axSftTree1.Headers.SortedColumn;
if (sortedColumn >= 0) {
// we have to sort based on current column headers
int ItemIndex = axSftTree1.Items.Current;
int ID = 0;
if (ItemIndex >= 0)
ID = axSftTree1.get_Item(ItemIndex).ID;
if (ID == m_InboxFolder || ID == m_OutboxFolder || ID == m_SavedFolder || ID == m_DeletedFolder) {
// we're on a folder, so sort on folder level
if (axSftTree1.get_Header(sortedColumn).SortIndicator == SftTreeSortIndicatorConstants.sortIndicatorSftTreeAscending) {
if (sortedColumn == 3)
// last column is sorted by Cell.Data (numeric values)
axSftTree1.Items.SortDependents(-1, sortedColumn, SftTreeSortTypeConstants.sortSftTreeAscCellItemData);
else
axSftTree1.Items.SortDependents(-1, sortedColumn, SftTreeSortTypeConstants.sortSftTreeAscending);
} else {
if (sortedColumn == 3)
axSftTree1.Items.SortDependents(-1, sortedColumn, SftTreeSortTypeConstants.sortSftTreeDscCellItemData);
else
axSftTree1.Items.SortDependents(-1, sortedColumn, SftTreeSortTypeConstants.sortSftTreeDescending);
}
} else {
// we're on a message, sort inside folders
// now sort the of all folders
ItemIndex = 0;
do {
if (axSftTree1.get_Header(sortedColumn).SortIndicator == SftTreeSortIndicatorConstants.sortIndicatorSftTreeAscending) {
if (sortedColumn == 3)
// last column is sorted by Cell.Data (numeric values)
axSftTree1.Items.SortDependents(ItemIndex, sortedColumn, SftTreeSortTypeConstants.sortSftTreeAscCellItemData);
else
axSftTree1.Items.SortDependents(ItemIndex, sortedColumn, SftTreeSortTypeConstants.sortSftTreeAscending);
} else {
if (sortedColumn == 3)
axSftTree1.Items.SortDependents(ItemIndex, sortedColumn, SftTreeSortTypeConstants.sortSftTreeDscCellItemData);
else
axSftTree1.Items.SortDependents(ItemIndex, sortedColumn, SftTreeSortTypeConstants.sortSftTreeDescending);
}
ItemIndex = axSftTree1.get_Item(ItemIndex).NextSibling;
} while (ItemIndex >= 0);
}
// update column headers by calling CaretChange
axSftTree1_CaretChange(this, new _DSftTreeEvents_CaretChangeEvent(axSftTree1.Items.Current));
}
}
}
private void axSftTree1_ItemDblClick(object sender, AxSftTreeLib75._DSftTreeEvents_ItemDblClickEvent e) {
SftTreeAreaTypeConstants area = (SftTreeAreaTypeConstants) e.areaType;
if (area == SftTreeAreaTypeConstants.constSftTreeText || area == SftTreeAreaTypeConstants.constSftTreeButton) {
// if an item on level 1 or lower is clicked, it's an
// email message, display message box
if (axSftTree1.get_Item(e.itemIndex).Level > 0 && area == SftTreeAreaTypeConstants.constSftTreeText) {
MessageBox.Show("You could be viewing the message from " + axSftTree1.get_Cell(e.itemIndex, 0).Text +
" with the subject '" + axSftTree1.get_Cell(e.itemIndex, 1).Text + "'.");
} else {
// otherwise just expand or collapse the item
if (axSftTree1.get_Item(e.itemIndex).Expanded)
axSftTree1.get_Item(e.itemIndex).Collapse(true);
else
axSftTree1.get_Item(e.itemIndex).Expand(true, false);
}
} else if (area == SftTreeAreaTypeConstants.constSftTreeColumnRes) {
if (e.colIndex >= 0) {
axSftTree1.get_Column(e.colIndex).MakeOptimal();
axSftTree1.Items.RecalcHorizontalExtent();
} else
axSftTree1.Splitter.MakeOptimal();
}
}
private void axSftTree1_EditAllowed(object sender, AxSftTreeLib75._DSftTreeEvents_EditAllowedEvent e) {
// Only allow editing in column 1
e.allowed = (e.colIndex == 1);
}
private void axSftTree1_EditInitializing(object sender, AxSftTreeLib75._DSftTreeEvents_EditInitializingEvent e) {
// LeftPix/TopPix/WidthPix/HeightPix describes the current cell area
// we need to return the position and size needed for editing.
// In this example, we use the height of the control on the form
// and center it over the cell.
e.topPix = e.topPix + (e.heightPix - EditControl.Height) / 2;
e.heightPix = EditControl.Height;
// Set the text in the control used for cell editing and
// set other control-specific properties
EditControl.Width = 200;
EditControl.Text = axSftTree1.get_Cell(e.editIndex, e.editCol).Text;
EditControl.SelectionStart = 0;
EditControl.SelectionLength = 999;
// Return the control's window handle
e.window = (int) EditControl.Handle;
e.vData = EditControl;
// Define navigation keys
// VK_TAB
axSftTree1.CellEditIntercept(9, SftTreeCellEditInterceptStyleConstants.cellEditInterceptSftTreeChar | SftTreeCellEditInterceptStyleConstants.cellEditInterceptSftTreeControlChar | SftTreeCellEditInterceptStyleConstants.cellEditInterceptSftTreeShiftChar);
// VK_RETURN
axSftTree1.CellEditIntercept(13, SftTreeCellEditInterceptStyleConstants.cellEditInterceptSftTreeChar | SftTreeCellEditInterceptStyleConstants.cellEditInterceptSftTreeControlChar | SftTreeCellEditInterceptStyleConstants.cellEditInterceptSftTreeShiftChar);
// VK_HOME
axSftTree1.CellEditIntercept(36, SftTreeCellEditInterceptStyleConstants.cellEditInterceptSftTreeControlChar);
// VK_END
axSftTree1.CellEditIntercept(35, SftTreeCellEditInterceptStyleConstants.cellEditInterceptSftTreeControlChar);
// VK_UP
axSftTree1.CellEditIntercept(38, SftTreeCellEditInterceptStyleConstants.cellEditInterceptSftTreeChar | SftTreeCellEditInterceptStyleConstants.cellEditInterceptSftTreeControlChar | SftTreeCellEditInterceptStyleConstants.cellEditInterceptSftTreeShiftChar);
// VK_DOWN
axSftTree1.CellEditIntercept(40, SftTreeCellEditInterceptStyleConstants.cellEditInterceptSftTreeChar | SftTreeCellEditInterceptStyleConstants.cellEditInterceptSftTreeControlChar | SftTreeCellEditInterceptStyleConstants.cellEditInterceptSftTreeShiftChar);
}
private void axSftTree1_EditNavigating(object sender, AxSftTreeLib75._DSftTreeEvents_EditNavigatingEvent e) {
// Process key pressed
axSftTree1.EditNavigate(e.key, e.shift);
}
private void axSftTree1_EditValidate(object sender, AxSftTreeLib75._DSftTreeEvents_EditValidateEvent e) {
// Validate the new cell contents
string s = EditControl.Text;
s = s.Trim();
if (s.Length <= 0) {
MessageBox.Show("Please enter a description.");
e.inputValid = false;
}
}
private void axSftTree1_EditEnding(object sender, AxSftTreeLib75._DSftTreeEvents_EditEndingEvent e) {
// Save the new cell contents
if (e.saveInput)
axSftTree1.get_Cell(e.editIndex, e.editCol).Text = EditControl.Text;
Control ctrl = (Control) e.vData;
ctrl.Visible = false;
ctrl.Enabled = false;
}
}
}
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